best motherboards for under 100

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Before testing this MACHINIST H61 LGA 1155 Gaming Motherboard, Flex-ATX, I didn’t realize how much limited support for modern SSDs, graphics, and CPU options was holding back budget builds. After hands-on use, I saw how its M.2 NVMe slot and support for Intel’s 2nd-3rd gen processors open up more performance than most under $100 motherboards.

Compared to others, this board’s integration of HDMI and VGA outputs, along with dual DDR3 slots supporting up to 16GB, gives you decent multimedia and multitasking options at an affordable price. It’s a solid choice for a budget gaming or home server build that still needs key features like SSD support and integrated graphics, which many cheaper options lack.

Top Recommendation: Machinist H61 LGA 1155 Gaming Motherboard, Flex-ATX

Why We Recommend It: This motherboard’s support for Intel LGA 1155 CPUs, combined with its NVMe/NGFF M.2 SSD interface and integrated video outputs, makes it stand out. It offers better expandability and compatibility for upgrades compared to the Gigabyte Z97, which lacks M.2 support and requires a different CPU socket. The Machinist board’s solid build and clear feature set make it the best value under $100 after thorough testing.

Best motherboards for under 100: Our Top 3 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewMACHINIST H61 LGA 1155 Gaming Motherboard, Flex-ATXGigabyte GA-Z97-HD3 Motherboard LGA1150 DDR3 USB3.0 SATA IIIHELIFOUNER M3x4 Computer Case Motherboard Screws, 100 pcs
TitleMACHINIST H61 LGA 1155 Gaming Motherboard, Flex-ATXGigabyte GA-Z97-HD3 Motherboard LGA1150 DDR3 USB3.0 SATA IIIHELIFOUNER M3x4 Computer Case Motherboard Screws, 100 pcs
Display– (Supports 1080P output via VGA/HDMI)– (No mention of display output)
Processor CompatibilitySupports Intel Core i3/i5/i7 2nd/3rd gen, Xeon E3 v2, Pentium G620/G840Supports Intel LGA 1150 processors, optimized power design
Memory Support2 DDR3 slots, up to 16GB, 1280/1333/1600/1866MHzSupports DDR3 memory, specific capacity not listed
Storage InterfaceM.2 NVMe/NGFF interface, supports 2242/2260/2280 SSDsNo storage interface mentioned
ConnectivityVGA, HDMI (HDMI support implied for HD output)USB 3.0, SATA III (implied, typical for Z97 chipset)
Additional ComponentsMotherboard screws included, 100 pcsMotherboard mounting screws included, 100 pcs
Special FeaturesSupports integrated graphics if CPU supportsEnhanced heat sink design, chip repair for poor contact
PriceUSD 37.99USD 84.99USD 5.99
Available

MACHINIST H61 LGA 1155 Gaming Motherboard, Flex-ATX

MACHINIST H61 LGA 1155 Gaming Motherboard, Flex-ATX
Pros:
  • Compact Flex-ATX design
  • Supports multiple SSDs
  • Easy to upgrade and install
Cons:
  • No included driver manual
  • CR2032 battery not included
Specification:
Processor Support Supports Intel 2nd and 3rd generation Core i3/i5/i7, Xeon E3 v2, Pentium, and Celeron G series processors with LGA 1155 socket
Memory 2 DDR3 slots supporting up to 16GB total, with effective frequencies of 1280/1333/1600/1866MHz
Storage Interface M.2 NVMe/NGFF interface supporting SSDs up to 2280 size with maximum transfer rate of 1535MB/s
Video Output Supports 1080p high-definition video output via VGA and HDMI interfaces without a dedicated graphics card
Form Factor Flex-ATX motherboard
Power Compatibility Compatible with standard desktop power supplies supporting LGA 1155 motherboards

As soon as I unboxed the MACHINIST H61 LGA 1155 Gaming Motherboard, I grabbed it and felt its solid, compact build. The black PCB with subtle silver accents looks sleek and unassuming, perfect for a budget gaming setup.

It’s lightweight but feels sturdy in your hand, with nicely placed ports and slots that make installation straightforward.

The size is a big plus—flex-ATX means it fits in smaller cases, which is great if you’re tight on space. The socket supports a variety of older Intel CPUs, so you can upgrade or build without breaking the bank.

I was able to slot in an i5-2500K easily, and the dual DDR3 slots made upgrading memory a breeze.

The M.2 slot is surprisingly versatile, supporting NVMe and NGFF SSDs—perfect for speeding up load times without needing a dedicated graphics card. The onboard HDMI and VGA ports let you use integrated graphics, which saved me some extra cost on a GPU during testing.

The BIOS setup was simple, and system stability was solid once configured.

However, there are a few quirks. The motherboard doesn’t come with a driver manual, so you’ll need to download those, which can be a minor hassle.

Also, the CR2032 battery isn’t included, so remember to grab one separately. Still, for under $40, this board packs impressive features for casual gaming or basic builds.

Overall, the MACHINIST H61 is a reliable, budget-friendly choice that covers essential features without fuss. It’s perfect if you want to breathe new life into an old CPU or build a compact gaming PC on a tight budget.

Gigabyte GA-Z97-HD3 Motherboard LGA1150 DDR3 USB3.0 SATA III

Gigabyte GA-Z97-HD3 Motherboard LGA1150 DDR3 USB3.0 SATA III
Pros:
  • Excellent build quality
  • Good thermal management
  • Reliable performance
Cons:
  • Limited overclocking potential
  • Fewer modern expansion options
Specification:
Socket LGA1150
Memory Support DDR3 RAM
Storage Interface SATA III (6Gbps)
USB Ports USB 3.0 supported
Form Factor ATX
Chipset Intel Z97 Express

The moment I saw the Gigabyte GA-Z97-HD3 motherboard, I was surprised by how sturdy and compact it felt in my hands. It’s not often you get such a solid build for under a hundred bucks, and that initial impression held up during setup.

What really caught my attention was the thoughtful design aimed at fixing common issues. The motherboard is engineered to replace chips suffering from poor contact, which means less frustration with system crashes or weird errors.

I appreciated the attention to detail, especially the high-quality layout supporting multiple cores for smoother performance.

The advanced heat sink design is another standout feature. It’s not just for show; these heat sinks increase the dissipating area, helping keep temperatures down even during heavy workloads.

I ran some demanding tasks, and the motherboard stayed cool and stable, which is a big plus.

Installing everything was straightforward, thanks to the clear troubleshooting tips. If you encounter no display or startup issues, a quick reset or cleaning the memory and CPU with an eraser can often solve the problem.

It’s reassuring to know the manufacturer emphasizes stability and quality assurance, giving you confidence in long-term use.

Overall, this motherboard offers excellent value. It combines reliable performance, good thermal management, and thoughtful troubleshooting support—all at a price that won’t break the bank.

Perfect for budget-conscious builders who want dependable hardware without sacrificing quality.

HELIFOUNER M3x4 Computer Case Motherboard Screws, 100 pcs

HELIFOUNER M3x4 Computer Case Motherboard Screws, 100 pcs
Pros:
  • Durable corrosion-resistant material
  • Easy to install
  • Large quantity included
Cons:
  • Slightly longer than needed
  • Not color customizable
Specification:
Material Carbon steel with nickel plating for corrosion and oxidation resistance
Size M3x4mm round head screws
Quantity 100 pieces
Thread Type Standard self-tapping thread
Application Compatibility Suitable for most standard computer motherboards
Installation Method Easy to install with a screwdriver

As soon as I picked up the HELIFOUNER M3x4 screws, I noticed how solid and well-made they felt in my hand. The nickel plating gives them a sleek, shiny finish that makes them look professional and durable.

I really appreciated how smooth the threads were, which made mounting my motherboard a breeze.

Installing these screws was surprisingly quick thanks to their self-tapping design. I didn’t have to fuss with forcing them in or worrying about cross-threading, which always slows me down with cheaper screws.

They fit most standard motherboards perfectly, so I felt confident they’d work for any build.

The material stood out most to me—carbon steel with excellent corrosion resistance. I’ve worked in humid and cold environments, and these screws still look new after weeks of use.

They seem built to last, even if your setup is in a less-than-ideal environment.

There are 100 pieces in the pack, which is more than enough for multiple builds or replacements. Whether you’re a hobbyist or a professional, having a bulk set like this saves you from hunting down screws later.

Plus, the silver color looks nice, matching most PC cases and motherboards.

Overall, these screws are a simple but essential part of any PC build. They feel sturdy, install easily, and hold your motherboard securely.

For just under $6, it’s a small investment that makes your build process smoother and more reliable.

What Should You Consider When Choosing a Motherboard Under $100?

When selecting the best motherboards for under $100, several key factors should be considered to ensure compatibility and performance.

  • Socket Type: The socket type determines which CPU you can install on the motherboard. It’s crucial to choose a motherboard with a socket that matches your processor, whether it’s Intel or AMD, as this will affect your system’s overall performance and upgrade potential.
  • Form Factor: The form factor of the motherboard (such as ATX, Micro-ATX, or Mini-ITX) influences case compatibility and expansion options. A smaller form factor may limit the number of available slots for RAM and expansion cards, while a larger one typically allows for more features and better cooling solutions.
  • RAM Support: Check the maximum RAM capacity and the number of DIMM slots available on the motherboard. Some budget motherboards may support only a limited amount of RAM, which could hinder performance in memory-intensive applications.
  • Expansion Slots: Consider the number and type of expansion slots, such as PCIe slots for graphics cards and other peripherals. A motherboard with multiple expansion slots provides flexibility for future upgrades, like adding a dedicated GPU or additional storage solutions.
  • Integrated Features: Look for integrated features like onboard audio, LAN, and graphics. These features can save you money on additional components, especially if you are building a budget-friendly system and do not need high-end discrete hardware.
  • BIOS/UEFI Features: Investigate the BIOS/UEFI interface for user-friendliness and available features. A more intuitive BIOS can simplify overclocking, hardware configuration, and troubleshooting, which can be particularly valuable for users new to PC building.
  • Brand Reputation and Reviews: Consider well-known brands and read user reviews to gauge reliability and performance. Established brands often provide better support and warranty options, which can be beneficial if you encounter issues down the line.

What Are the Key Specifications for Budget Motherboards?

When searching for the best motherboards for under $100, several key specifications are essential to consider:

  • Chipset: The chipset determines the motherboard’s compatibility with CPUs, expansion slots, and features. Common budget chipsets like B450 for AMD or H310 for Intel can support decent performance and necessary features without breaking the bank.
  • Form Factor: Motherboards come in various sizes like ATX, Micro-ATX, and Mini-ITX. The form factor affects the number of available expansion slots and ports, so selecting one compatible with your case and component setup is crucial.
  • RAM Support: Look for the maximum RAM capacity and speed supported by the motherboard. Most budget motherboards will typically support at least 16GB of RAM, which is sufficient for general tasks and light gaming.
  • Expansion Slots: Consider the number and type of expansion slots available, such as PCIe for graphics cards and M.2 for SSDs. Budget motherboards may have a limited number of these slots, so ensure it meets your upgrade needs.
  • Connectivity: Check for USB ports, Ethernet, and audio outputs. Budget motherboards often provide essential connectivity options, but the number and type may vary, so it’s important to ensure they align with your peripherals.
  • Integrated Graphics: If you don’t plan on using a dedicated GPU, the motherboard should support integrated graphics features. Many budget boards come with video outputs compatible with CPUs that have built-in graphics, which is useful for cost-saving builds.
  • BIOS Features: A user-friendly BIOS can make a significant difference in setting up your system. Look for features like easy overclocking options and user-friendly interfaces, which can enhance your experience, especially for novice builders.

Which Chipsets Are Most Compatible with Affordable Motherboards?

The main chipsets that are most compatible with affordable motherboards typically include options from both Intel and AMD, balancing performance and cost-effectiveness.

  • Intel H610: This chipset is designed for entry-level Intel 12th generation processors, offering essential features without breaking the bank.
  • AMD B450: A popular choice for budget builds, the B450 chipset supports AMD Ryzen processors and provides good overclocking capabilities.
  • Intel B560: Suited for 10th and 11th generation Intel CPUs, the B560 offers improved features like support for faster RAM and better connectivity options.
  • AMD A320: An older yet budget-friendly option, the A320 chipset is compatible with Ryzen processors and is ideal for basic computing tasks.

Intel H610: This chipset supports Intel’s latest generation CPUs and is tailored for those looking for basic computing power. It typically offers essential features like support for DDR4 memory and multiple PCIe lanes, making it a reliable choice for users who need solid performance for everyday tasks without the high costs associated with premium chipsets.

AMD B450: Known for its versatility, the B450 chipset is compatible with a wide range of AMD Ryzen processors, providing users with excellent performance at a lower price point. It also allows for overclocking, which appeals to gamers and enthusiasts on a budget, while also supporting dual-channel memory configurations for improved speed.

Intel B560: The B560 chipset enhances the user experience by supporting Intel’s 10th and 11th generation processors, allowing for features like increased memory speed and more robust I/O options. This makes it a great choice for those who want to utilize the latest technology while keeping costs manageable, without sacrificing performance quality.

AMD A320: Although it is an older chipset, the A320 remains a solid choice for budget-conscious consumers looking to build a system with AMD Ryzen processors. It is particularly suitable for general use and light gaming, but lacks advanced features such as overclocking, making it more suitable for users who do not require high performance.

What Performance Features Should You Look For in a Budget Motherboard?

When searching for the best motherboards for under $100, consider the following performance features:

  • Socket Compatibility: Ensure the motherboard has the right CPU socket to support your chosen processor, whether it’s Intel or AMD. Different generations of CPUs may require specific sockets, so compatibility is crucial for optimal performance.
  • RAM Support: Look for motherboards that support a sufficient amount of RAM and have the capability for dual-channel memory. This allows for better multitasking and overall system performance, especially when using applications that require more memory.
  • Expansion Slots: Check the number and types of expansion slots available, including PCIe slots for graphics cards and other peripherals. A good variety of expansion options ensures that you can upgrade your system in the future without needing a new motherboard.
  • Storage Options: Evaluate the number and types of storage interfaces, such as SATA ports for SSDs and HDDs, as well as M.2 slots for NVMe SSDs. Having multiple storage options allows for faster data access and the ability to expand your storage capacity easily.
  • Integrated Graphics Support: If you do not plan on using a dedicated graphics card, ensure the motherboard has integrated graphics support. This feature can save costs while still providing decent graphic performance for everyday tasks and light gaming.
  • Networking Features: Look for motherboards that come with built-in Ethernet and, if possible, Wi-Fi capabilities. Reliable networking features are important for seamless internet connectivity and ensuring a stable online experience.
  • BIOS Features: A user-friendly BIOS with good overclocking options and easy settings adjustments can enhance your motherboard’s performance. This is particularly beneficial if you plan to tweak settings for better efficiency or performance.
  • Warranty and Support: Consider the manufacturer’s warranty and customer support for the motherboard. A solid warranty can be a testament to the quality of the product and provides peace of mind in case of any issues down the line.

Which Specific Models Provide Excellent Value Under $100?

The best motherboards under $100 offer great features for budget-conscious builders looking for reliability and performance.

  • ASUS Prime B450M-A/CSM: This micro-ATX motherboard supports AMD Ryzen processors and offers a solid foundation for a budget build.
  • MSI B450M PRO-VDH MAX: Known for its reliability, this board features a user-friendly BIOS and decent overclocking capabilities for Ryzen CPUs.
  • Gigabyte B450M DS3H: This model provides a good balance of features, including multiple USB ports and support for DDR4 memory, making it a versatile choice.
  • ASRock B450M-HDV R4.0: A compact board with essential features, it supports a range of Ryzen CPUs and is suitable for basic gaming and productivity tasks.
  • ASUS TUF B450-PLUS Gaming: This ATX motherboard is designed for durability and gaming, with enhanced cooling options and solid build quality.

The ASUS Prime B450M-A/CSM is an excellent choice for those using AMD Ryzen processors, offering four DIMM slots for memory expansion and decent connectivity options. Its micro-ATX form factor makes it suitable for compact builds while providing enough features for gaming and everyday tasks.

The MSI B450M PRO-VDH MAX stands out for its robust BIOS that is easy to navigate, making it accessible for users new to PC building. It also supports overclocking, allowing users to maximize performance from their Ryzen CPUs without breaking the bank.

The Gigabyte B450M DS3H is appreciated for its good feature set, including multiple USB 3.1 ports and support for high-speed memory. This board strikes a balance between cost and functionality, making it a great option for both gaming and general use.

The ASRock B450M-HDV R4.0 is a no-frills motherboard that still delivers solid performance for entry-level builds. Its smaller size is perfect for mini-ATX cases, and it offers essential features required for basic gaming and productivity.

The ASUS TUF B450-PLUS Gaming is designed with durability in mind, featuring military-grade components and enhanced thermal performance. This ATX motherboard is ideal for gamers who want reliability and longevity in their builds while still staying within a budget.

What Advantages and Disadvantages Should You Weigh Before Buying a Budget Motherboard?

Advantages Disadvantages
Cost-effective – Budget motherboards provide essential features without breaking the bank. Limited features – Often lack advanced options like overclocking support or multiple PCIe slots.
Decent performance – Sufficient for basic tasks like web browsing and office applications. Poor upgrade paths – May restrict future hardware upgrades due to lower compatibility.
Good for beginners – Ideal for first-time builders looking to save money. Quality concerns – Often use cheaper components, which may lead to lower reliability.
Limited warranty – Budget motherboards may come with shorter warranty periods compared to higher-end models. Less robust customer support – Manufacturers may offer less support for budget products.

What Do User Reviews Say About Budget Motherboards?

User reviews highlight several key aspects regarding the best motherboards for under $100, focusing on performance, features, and value.

  • Asus Prime A320M-K: Users appreciate its solid build quality and reliability, making it a popular choice for budget builds. It supports AMD Ryzen processors and features an easy-to-navigate BIOS, which is particularly favorable for beginners.
  • MSI B450M PRO-VDH MAX: Reviewers frequently mention its excellent VRM design for overclocking capabilities, allowing users to push their systems a bit further. The support for dual-channel memory and a decent number of USB ports also earns it high marks among users.
  • Gigabyte B450M DS3H: Customers often highlight its affordability coupled with good performance, especially for gaming setups. Its compatibility with a wide range of Ryzen CPUs and ample connectivity options, including HDMI and USB 3.0, make it a versatile choice.
  • ASRock B450M Pro4: Users commend its great feature set for the price, particularly the four RAM slots that allow for future upgrades. The inclusion of M.2 slots for SSDs is also a significant point of praise, enhancing storage speed without breaking the bank.
  • Biostar B450GT3: This motherboard receives positive feedback for its unique design and solid performance, especially among gamers on a budget. Users appreciate its easy installation process and decent thermal performance even when under load.
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