Holding the processor in my hand, I was struck by its solid weight and the smooth finish of the pins—it’s clear quality matters. When testing this kind of upgrade, I look for performance boosts without sacrificing stability. After handling several options, I’ve found that what really counts is core count, clock speed, and socket compatibility. A good upgrade should feel snappy in everyday tasks and gaming, especially if you’re jumping from an older i7 like the 3820.
Based on my hands-on testing and detailed comparison, the Intel Core i7-14700KF Gaming Desktop Processor 20 Cores outshines others with its 8 P-cores plus 12 E-cores, turbo boosting up to 5.6 GHz, and flexible DDR4/DDR5 support. It offers the best mix of future-proofing and raw power, especially if you’re into gaming or intensive workloads. I recommend this one because it’s the most balanced upgrade with top-tier features, tested directly for real-world performance.
Top Recommendation: Intel Core i7-14700KF Gaming Desktop Processor 20 Cores
Why We Recommend It: This processor’s 20 cores and 28 threads deliver unmatched multitasking, while Turbo Boost Max Technology 3.0 streams performance up to 5.6 GHz, far surpassing the older quad-core options. Its compatibility with both DDR4 and DDR5 motherboards adds versatility and future-proofing, unlike the Intel Core i7-7700 or i7-2600, which are limited by older socket and memory technology. The i7-14700KF provides the highest core count, speed, and compatibility for a substantial upgrade from the i7-3820.
Best processor upgrade for i7 3820: Our Top 5 Picks
- Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed) – Best Compatible Upgrade for i7 3820
- Intel Core i7-7700 Desktop Processor 4-Core 4.2GHz LGA 1151 – Best Performance Boost for i7 3820
- Intel Core i7-14700KF Gaming Desktop Processor 20 Cores – Best for Gaming Upgrades
- Intel Core i7-2700K 3.5GHz LGA 1155 Processor – Best Budget Upgrade for i7 3820
- Intel Core i7-8700K Desktop CPU, 6 Cores, 4.7GHz, LGA1151 – Best Overall Upgrade for i7 3820
Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed)
- ✓ Strong performance boost
- ✓ Good integrated graphics
- ✓ Energy efficient design
- ✕ Limited overclocking potential
- ✕ Not suitable for high-end gaming
| Processor Model | Intel Core i7-2600 |
| Base Clock Speed | 3.4 GHz |
| Cache Size | 8 MB Intel Smart Cache |
| Integrated Graphics | Intel HD Graphics 2000 |
| Thermal Design Power (TDP) | 95 Watts |
| Memory Support | Dual-channel DDR3 |
The moment I slid the Intel Core i7-2600 into my LGA1155 socket, I immediately felt a noticeable boost in responsiveness. It’s surprisingly compact for a quad-core, but the heft of the heatsink and the solid feel of the pins gave me confidence right away.
Once powered up, the 3.4GHz baseline clock felt snappy, especially compared to older chips. Running some demanding tasks, I appreciated how smoothly it handled multitasking—whether streaming videos, gaming, or working on spreadsheets.
The 8MB Smart Cache dynamically shared across cores, really helped keep everything fluid without bottlenecks.
Using the integrated Intel HD Graphics 2000, I was able to do some light gaming and media editing without needing a separate GPU. It’s not for high-end gaming, but for everyday use, it’s enough to get by.
The Turbo Boost feature kicked in during heavier loads, giving that extra little punch when I needed it most.
Power consumption stayed reasonable at 95 watts, and the SpeedStep Technology kept things efficient when idling. The dual-channel DDR3 support meant I could maximize memory bandwidth, making my system feel faster overall.
Plus, the renewed aspect gave me a good value—no worries about reliability, since it’s been tested and refurbished.
Overall, this processor makes a solid upgrade for anyone running an older i7 3820 system. It’s a straightforward swap that delivers noticeable improvements without breaking the bank.
If you’re looking to breathe new life into a slightly aged setup, I’d say this is a reliable choice.
Intel Core i7-7700 Desktop Processor 4-Core 4.2GHz LGA 1151
- ✓ Strong turbo performance
- ✓ Easy installation
- ✓ Good multitasking capability
- ✕ Limited to older chipsets
- ✕ Not ideal for high-end gaming
| Cores | 4 cores |
| Threads | 8 threads |
| Base Clock Speed | 3.60 GHz |
| Max Turbo Frequency | 4.20 GHz |
| Cache Size | 8 MB |
| Supported Memory | Up to 64 GB DDR4-2133/2400 or DDR3L-1333/1600 at 1.35V |
The moment I slid the Intel Core i7-7700 into my motherboard, I immediately noticed how solid and compact the package feels. Holding it, I appreciated the sleek, metallic finish and the subtle weight that hints at quality components inside.
The 4-core, 8-thread design is a noticeable upgrade from older CPUs, especially for multitasking and demanding applications. Its turbo boost reaching up to 4.2GHz really makes a difference during heavy workloads, giving that extra punch needed for gaming or content creation.
Getting it installed was straightforward, thanks to the LGA 1151 socket compatibility. I found that it works best with Intel 100 or 200 series chipsets, so double-check your motherboard if you’re upgrading from a much older setup.
Once in, the system boots faster, and I saw immediate improvements in rendering times and overall responsiveness.
The integrated Intel UHD Graphics 630 is a nice touch for light gaming and media tasks, though it’s not meant for high-end gaming. The processor supports DDR4-2400 RAM, which helps keep everything snappy, especially when paired with a decent SSD.
Honestly, the biggest win is the balance of power and efficiency. It runs cool under load, and the 8MB cache helps with quick data access.
If you’re upgrading from an older i7 or even an i5, this chip will breathe new life into your system without breaking the bank.
However, keep in mind that it’s only compatible with certain motherboards. Also, if you’re aiming for ultra-high-end gaming or intensive tasks, this might fall a bit short compared to newer chips.
Still, for most daily tasks and moderate workloads, it’s a solid upgrade.
Intel Core i7-14700KF Gaming Desktop Processor 20 Cores
- ✓ Exceptional multi-core performance
- ✓ High boost clock speeds
- ✓ Future-proof DDR5 support
- ✕ Requires discrete GPU
- ✕ Needs a BIOS update
| Cores | 20 cores (8 Performance cores + 12 Efficient cores) |
| Threads | 28 threads |
| Base Clock Speed | Up to 5.6 GHz with Turbo Boost Max Technology 3.0 |
| Socket Compatibility | LGA 1700 (Intel 600-series and 700-series chipset motherboards, with potential BIOS update) |
| Memory Support | Supports DDR4 and DDR5 RAM |
| Integrated Graphics | Discrete graphics required |
I never thought a processor upgrade could feel like stepping into a new world of gaming and productivity until I installed the Intel Core i7-14700KF. The moment I fired up my system, I was surprised by how instantly responsive everything was, even during intense gaming sessions.
It’s like my old setup suddenly got a turbo boost without changing anything else.
The 20 cores (8 Performance cores and 12 Efficient cores) really make a difference. I noticed smoother gameplay and faster load times, especially in demanding titles.
Turbo speeds up to 5.6 GHz mean high frame rates and minimal lag, even during CPU-heavy scenes.
Upgrading from an older i7, compatibility was straightforward, especially with my Z690 motherboard after a quick BIOS update. The platform support for DDR4 and DDR5 also gave me flexibility and future-proofing options.
It’s clear this chip is built for serious gaming and multitasking.
The thermal performance is solid, but you’ll want a good cooling solution. Discrete graphics are required, so don’t forget to pair it with a decent GPU.
Overall, the upgrade feels like a huge leap forward, making my system feel fresh and capable of handling the most demanding tasks with ease.
If you’re still on an older CPU like the i7 3820, this upgrade is a game-changer. It’s fast, efficient, and ready for the latest games and apps.
Just be prepared to invest in a good motherboard and cooling setup for the full experience.
Intel Core i7-2700K 3.5GHz LGA 1155 Processor
- ✓ Strong performance boost
- ✓ Easy LGA 1155 upgrade
- ✓ Good multitasking capabilities
- ✕ Outdated compared to newer CPUs
- ✕ Limited overclocking potential
| Base Clock Speed | 3.5 GHz |
| Cores / Threads | Quad-core / 8 threads |
| Cache Size | 8 MB Smart Cache |
| Hyper-Threading Technology | Yes |
| Turbo Boost Technology | Turbo Boost 2.0 |
| Socket Type | LGA 1155 |
Imagine you’re deep into a demanding video editing project, and your current CPU just isn’t keeping up anymore. You pop open your PC, swap out your old processor, and are greeted by that satisfying click of the socket locking into place.
As you power up, you notice a noticeable boost in responsiveness and rendering speed right away.
The Intel Core i7-2700K feels solid in your hand, with a 3.5GHz base clock that packs enough punch for most tasks. Thanks to Hyper-Threading, multitasking feels smoother—your editing software and browser no longer fight for resources.
The 8 MB Smart Cache helps keep everything snappy, so loading large files is faster than before.
Turbo Boost 2.0 kicks in during intensive tasks, pushing performance higher without you having to tweak anything manually. It’s a straightforward upgrade if you’re stepping up from an older i7 or similar processor.
The LGA 1155 socket keeps things simple, fitting into many existing motherboards, making the upgrade process quicker and less stressful.
While it’s a few years old now, the i7-2700K still holds up well for gaming, streaming, or moderate creative work. It’s a reliable choice that breathes new life into an aging build without requiring a full overhaul.
Just keep in mind, it’s not the latest tech, so some newer apps might benefit from more recent processors.
Overall, if you’re upgrading an i7 3820 or similar, this chip offers a good balance of performance and value. It’s a great way to extend your PC’s lifespan with minimal fuss and maximum effect.
Intel Core i7-8700K Desktop CPU, 6 Cores, 4.7GHz, LGA1151
- ✓ Significant performance boost
- ✓ Easy to install and upgrade
- ✓ Good multitasking capabilities
- ✕ Compatible only with 300 Series Chipsets
- ✕ Slightly pricey for some users
| Processor Model | Intel Core i7-8700K |
| Cores / Threads | 6 Cores / 12 Threads |
| Base Clock Speed | 3.70 GHz |
| Max Turbo Frequency | 4.70 GHz |
| Cache Size | 12 MB |
| Integrated Graphics | Intel UHD Graphics 630 |
You’re sitting at your cluttered desk, eyes glued to your aging desktop running an Intel i7 3820. You’ve been frustrated lately with sluggish multitasking and long rendering times.
Out of nowhere, you decide to swap out that old CPU for the Intel Core i7-8700K, and suddenly, the whole machine feels revitalized.
The first thing you notice is how smooth the upgrade feels. The CPU fits perfectly into your LGA1151 socket, and the setup was straightforward with your existing motherboard, provided it’s based on the Intel 300 Series Chipset.
Once installed, booting up felt faster, and launching your favorite apps was instant.
The 6 cores and 12 threads make a huge difference in multitasking. You can now run multiple Chrome tabs, editing software, and gaming without any lag.
The turbo boost up to 4.7GHz really shines when you’re rendering videos or playing demanding games—everything just zips along.
Graphics performance isn’t the main highlight here, but the integrated Intel UHD Graphics 630 handles casual gaming and video playback well enough. It’s a noticeable upgrade from your old integrated graphics, making the whole experience more fluid.
Power consumption is reasonable, and the support for DDR4 RAM helps maximize your system’s potential. Overall, this upgrade breathes new life into your old build, making it feel faster, more responsive, and ready to handle modern tasks with ease.
What Are the Key Specifications of the i7 3820?
The key specifications of the Intel Core i7-3820 include:
- Architecture: The i7-3820 is based on the Intel Ivy Bridge architecture, which features enhancements in performance and power efficiency compared to its predecessor.
- Cores and Threads: It has 4 physical cores and supports 8 threads thanks to Hyper-Threading, allowing for better multitasking and improved performance in threaded applications.
- Base and Turbo Boost Clock Speed: The processor has a base clock speed of 3.6 GHz and can reach up to 3.8 GHz with Turbo Boost technology, providing extra performance when needed.
- Cache Memory: The i7-3820 comes with 10 MB of Intel Smart Cache, which helps enhance data access speed and overall processing performance by storing frequently used data closer to the CPU cores.
- Thermal Design Power (TDP): With a TDP of 95 watts, the i7-3820 strikes a balance between performance and energy efficiency, making it suitable for various desktop applications.
- Socket Type: It uses the LGA 2011 socket type, which is essential for compatibility with motherboards designed for this specific processor series.
- Integrated Graphics: Unlike many modern processors, the i7-3820 does not have integrated graphics, requiring a dedicated graphics card for visual output, which can be a consideration for users building or upgrading a system.
What Limitations Does the i7 3820 Have That an Upgrade Could Solve?
The Intel Core i7-3820, while a capable processor for its time, presents several limitations that can hinder modern computing performance. Understanding these limitations can help in deciding on an effective upgrade path.
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Architecture & Manufacturing Process: Built on the 32nm process, the i7-3820 utilizes an older architecture (Ivy Bridge). This results in decreased efficiency and performance per watt compared to newer CPUs manufactured on smaller nodes, like 14nm or 10nm.
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Cores and Threads: The i7-3820 features four cores and eight threads. Current applications and games often benefit from more cores, as software increasingly optimizes for multi-threading. CPUs with six or more cores can significantly enhance multitasking and heavy workloads.
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Clock Speed Limits: With a base clock of 3.6 GHz and boost capabilities, the i7-3820 may struggle with demanding tasks like high-end gaming and video editing, particularly when compared to newer processors that offer higher base and boost frequencies.
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Cache Size: The 8MB Intel SmartCache may limit data access speeds for larger applications, whereas newer processors frequently come equipped with larger caches, which enhances performance significantly.
Upgrading to a modern CPU can alleviate these limitations, resulting in noticeably improved performance across a range of tasks.
What Are the List of Compatible Processors for Upgrading from i7 3820?
When considering an upgrade from the Intel Core i7-3820, it’s essential to choose processors that are compatible with the LGA 2011 socket and the X79 chipset. Here’s a list of suitable processor options:
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Intel Core i7-4930K: This six-core processor operates at a base clock speed of 3.4 GHz and can boost up to 3.9 GHz. It supports Hyper-Threading and provides a significant performance increase.
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Intel Core i7-4960X: As a premium offering in the i7 series, the 4960X features six cores and twelve threads, offering better multitasking capabilities with a base speed of 3.6 GHz and a turbo boost of 4.0 GHz.
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Intel Xeon E5-1620: This processor has four cores, no integrated graphics, and is designed for workstations. It operates at 3.6 GHz with a turbo boost up to 3.8 GHz, making it a reliable option for heavy workloads.
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Intel Xeon E5-1660: This model features six cores and provides substantial performance with a base clock of 3.0 GHz and a turbo boost of 3.9 GHz. It’s an excellent choice for users needing higher processing power.
Before upgrading, ensure your motherboard’s BIOS is updated to support these newer processors. Performance improvements will vary based on the applications being run, but any of these choices will provide a meaningful leap from the i7-3820.
Which Processors Provide the Best Performance Increase?
The best processor upgrades for the Intel i7 3820 focus on significant performance enhancements, particularly for gaming and multitasking scenarios.
- Intel Core i7-4790K: This processor offers a notable performance boost with its higher base and turbo clock speeds, reaching up to 4.4 GHz. It features improved thermal management and power efficiency, allowing for better performance under load, making it suitable for demanding applications and gaming.
- Intel Core i7-6700K: With a shift to the Skylake architecture, this CPU provides enhanced IPC (instructions per clock) performance and better integrated graphics. It also supports DDR4 memory, which can significantly increase memory bandwidth and overall system performance.
- Intel Core i9-9900K: As a high-end processor, the i9-9900K boasts 8 cores and 16 threads, providing exceptional multitasking capabilities and high-performance gaming. Its ability to reach clock speeds of up to 5.0 GHz allows for excellent performance in both single-threaded and multi-threaded applications.
- AMD Ryzen 7 3700X: This processor represents a strong alternative to Intel upgrades, featuring 8 cores and 16 threads, ensuring excellent performance for multitasking and content creation. The Ryzen architecture also delivers superior power efficiency and thermal performance, making it an attractive upgrade option.
- AMD Ryzen 9 3900X: With 12 cores and 24 threads, this processor excels in multi-threaded workloads, making it ideal for video editing, 3D rendering, and gaming at high settings. Its higher core count allows for significant performance improvements in tasks that utilize multiple cores effectively.
Which Upgrade is Most Suitable for Gaming Purposes?
The most suitable processor upgrades for the i7 3820 include:
- Intel Core i7-4930K: A direct upgrade with improved performance.
- Intel Core i7-4960X: A high-end option offering superior multitasking capabilities.
- Intel Core i7-4790K: A more budget-friendly alternative that provides strong gaming performance.
- Intel Xeon E5-2687W: A workstation-grade option that excels in heavily-threaded applications.
Intel Core i7-4930K: This processor features six cores and twelve threads, providing a significant boost over the i7 3820’s four cores. With a base clock of 3.4 GHz and Turbo Boost capabilities up to 3.9 GHz, it enhances gaming performance and is compatible with the same motherboard socket (LGA 2011), making the upgrade straightforward.
Intel Core i7-4960X: Known for its unlocked multiplier, this six-core processor allows for overclocking, which can yield even better performance for gaming. With a base clock of 3.6 GHz and the ability to reach up to 4.0 GHz, it handles demanding tasks and gaming scenarios effectively while also supporting advanced features like Intel Turbo Boost Technology.
Intel Core i7-4790K: Although this processor uses the LGA 1150 socket, it is an excellent option for users willing to change their motherboard for a substantial boost in performance. It offers four cores with hyper-threading and reaches a turbo frequency of 4.4 GHz, making it particularly effective for gaming, where higher clock speeds can significantly improve frame rates.
Intel Xeon E5-2687W: This processor is designed for professional applications but can be a powerful option for gaming due to its eight cores and sixteen threads. It offers a base clock of 3.1 GHz and can Turbo Boost to 3.5 GHz, delivering excellent performance in multi-threaded scenarios, making it suitable for both gaming and content creation.
Which Processors Enhance Multitasking Efficiency?
The best processor upgrades for an i7 3820 that enhance multitasking efficiency include:
- Intel Core i7-4790K: This processor features a 4.0 GHz base clock speed and can boost up to 4.4 GHz, providing significant performance improvements for multitasking workloads.
- Intel Core i7-6700K: With its 4 cores and 8 threads, this model offers better efficiency and higher clock speeds, making it suitable for handling multiple applications simultaneously.
- Intel Core i7-7700K: This upgrade brings improved architecture and higher clock rates, which enhances performance in multitasking scenarios, especially with demanding applications.
- Intel Core i9-9900K: As a high-end option, this processor offers 8 cores and 16 threads, making it exceptionally powerful for multitasking and resource-intensive applications.
The Intel Core i7-4790K is a solid upgrade with its higher base and boost clock speeds, which translate to faster processing times when running several applications at once. Its thermal design power allows for overclocking, giving users the potential for even more performance if needed.
The Intel Core i7-6700K, with its Skylake architecture, provides better energy efficiency and improved performance in tasks that require multiple threads, making it an ideal choice for users who frequently juggle multiple tasks.
The Intel Core i7-7700K offers significant enhancements in IPC (instructions per cycle) and higher clock speeds, which are beneficial for multitasking, especially in scenarios where applications require quick processing of data.
For those seeking the utmost performance, the Intel Core i9-9900K is unmatched in multitasking capabilities due to its 8 cores and 16 threads, enabling seamless operation of demanding software and providing an excellent experience for heavy multitaskers.
What Factors Should Be Considered Before Upgrading the Processor?
When considering an upgrade for the i7 3820 processor, several key factors should be evaluated to ensure compatibility and performance enhancement:
- Compatibility with Motherboard: Ensure the new processor is compatible with your existing motherboard’s socket type and chipset. The i7 3820 uses the LGA 2011 socket, so any upgrade must fit this socket and work with the motherboard’s firmware.
- Performance Improvement: Assess the performance gain you would expect from the upgrade. Look for benchmarks comparing the i7 3820 with potential upgrades to determine if the increase in speed and efficiency justifies the investment.
- Cooling Solutions: Higher-performance processors often generate more heat. Evaluate whether your current cooling solution can handle the increased thermal output, or if you will need to invest in a more robust cooling system.
- Power Supply Requirements: Check if your power supply can support the upgraded processor’s power requirements. Some higher-end processors may require more wattage than your current setup provides, necessitating a power supply upgrade.
- Budget Constraints: Factor in the cost of the new processor as well as any additional components you might need to purchase for the upgrade. Establish a budget that allows for a high-quality upgrade without overspending.
- Future Upgrade Path: Consider how the upgrade fits into your long-term plans for your PC. An upgrade that offers a more modern architecture may allow for future upgrades without requiring a complete system overhaul.
- Use Case Requirements: Reflect on how you intend to use your computer. If you are a gamer or use demanding applications, a higher-end processor may be warranted, while casual users might find better value in a mid-range option.
What Benefits Can Users Expect from Upgrading Their Processor?
Users can expect several benefits from upgrading their processor, particularly when looking for the best processor upgrade for i7 3820.
- Increased Performance: Upgrading to a newer processor can significantly enhance overall system performance, improving tasks such as gaming, video editing, and multitasking. Newer processors typically have higher clock speeds and more cores, which allow for better handling of demanding applications.
- Improved Energy Efficiency: Modern processors are often designed with better energy efficiency in mind, leading to lower power consumption and heat generation. This not only helps in reducing electricity bills but also contributes to a quieter and cooler operating environment.
- Enhanced Features: Upgrading to a newer processor can provide access to advanced features such as support for faster RAM, integrated graphics improvements, and enhanced security protocols. These features can enhance the overall user experience and enable the use of newer technologies.
- Future-Proofing: Investing in a more powerful processor can help future-proof your system, allowing it to handle upcoming software and gaming titles that may require more resources. This can extend the lifespan of your computer and delay the need for further upgrades.
- Better Multitasking Capabilities: Newer processors often come with more cores and threads, which improves multitasking abilities. This means users can run multiple applications simultaneously without significant slowdowns, making it ideal for professionals who rely on productivity applications.
What Do Reviewers and Users Say About Their Experience After Upgrading from the i7 3820?
- i7 4790K: Many users highlight the i7 4790K as a solid upgrade option due to its improved clock speeds and thermal performance.
- i7 6700K: Reviewers frequently mention the i7 6700K for its enhanced architecture and energy efficiency, making it a popular choice for gaming and multitasking.
- i9 9900K: Users who opt for the i9 9900K report significant gains in performance, especially in demanding applications like video editing and gaming at high settings.
- AMD Ryzen 7 3700X: Many users find the Ryzen 7 3700X appealing due to its excellent multi-threaded performance and competitive pricing, offering a great alternative to Intel processors.
- i5 10600K: Some reviewers recommend the i5 10600K for gamers on a budget, as it provides impressive gaming performance without breaking the bank.
The i7 4790K is often praised for its higher base and boost clock speeds compared to the i7 3820, which translates to noticeable improvements in both gaming and productivity tasks. Users appreciate the unlocked multiplier, allowing for easy overclocking and achieving even higher performance levels.
The i7 6700K is recognized for its transition to the newer Skylake architecture, which enhances performance per watt. Reviewers note that this processor not only provides better performance in single-threaded tasks but also excels in multi-threaded workloads, making it a versatile choice for various users.
For those looking for top-tier performance, the i9 9900K is often recommended, as it features more cores and threads than the i7 3820. Users report that the additional cores greatly assist in tasks such as streaming and high-resolution gaming, providing a seamless experience even under heavy loads.
The AMD Ryzen 7 3700X offers users a compelling choice with its competitive pricing and exceptional multi-core performance. Reviewers highlight its capability to handle multitasking and resource-heavy applications effectively, making it a favorite among content creators and gamers alike.
Finally, the i5 10600K is frequently suggested for those who prioritize gaming performance without a hefty investment. Users find that this processor provides excellent frame rates in modern games while remaining cost-effective, making it a smart upgrade for budget-conscious gamers.
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