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10 Best B 550 Motherboards 2025 in the United States

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Our Top Picks

#1

Winner

INLAND Micro Center AMD Ryzen 7 5700X 8-Core 16-Thread Unlocked Desktop Processor Bundle with MSI MPG B550 Gaming Plus ATX Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, M.2)

Rating
9.9
Chosen by1,120
Storage Options
Connectivity

Most important from
68 reviews

Storage Options
Significantly improves system speed, especially with the SSD versus HDD performance.
Connectivity
Supports multiple monitors and allows for efficient multitasking with several windows open simultaneously.

The INLAND Micro Center bundle includes the AMD Ryzen 7 5700X processor paired with the MSI MPG B550 Gaming Plus ATX motherboard, making it a strong contender for gaming and high-performance tasks. The AMD Ryzen 7 5700X processor features 8 cores and 16 threads, with a max boost clock of 4.6 GHz, providing impressive speed and multitasking capabilities. It supports DDR4-3200 memory and PCIe 4.0, ensuring users can take advantage of the latest graphics and storage technologies. However, it’s worth noting that a cooler is not included, so users will need to purchase one separately for optimal performance and cooling efficiency.

The MSI MPG B550 Gaming Plus motherboard supports AMD Ryzen 5000 & 3000 series desktop processors and offers robust features like PCIe 4.0, Lightning Gen 4 x4 M.2 with Shield Frozr, and AMD Turbo USB 3.2 Gen 2 for fast data transfer. The enhanced power design includes Core Boost and a premium thermal solution with an extended heatsink and M.2 Shield Frozr, which is beneficial for maintaining stable performance during intensive tasks. The pre-installed I/O shield adds convenience and better protection against electromagnetic interference. Additionally, the Audio Boost feature delivers high-quality sound, providing an immersive audio experience.

One potential drawback is the memory support; while the motherboard supports up to 4400 MHz DDR4, users aiming to use higher-speed memory may find limitations. Connectivity options are solid, but some users may expect more USB ports or additional expansion slots. This product is well-suited for gamers and performance enthusiasts looking for a reliable and feature-rich motherboard to pair with a powerful processor.

Rating
9.9
Chosen by1,120
Storage Options
Connectivity

Most important from
68 reviews

Storage Options
Significantly improves system speed, especially with the SSD versus HDD performance.
Connectivity
Supports multiple monitors and allows for efficient multitasking with several windows open simultaneously.
#2

ASUS ROG Strix B550-A Gaming AMD ATX Motherboard with PCIe 4.0, 2.5Gb LAN, BIOS Flashback, Dual M.2 heatsinks, Aura Sync

Rating
9.8
Memory Support
Storage Options
Connectivity

Most important from
3516 reviews

Memory Support
Overclocking DDR4 to 4000 MHz was achieved without overvolting or adjusting timings.
Storage Options
Moving to PCIe 4.0 for M.2 and GPU delivers noticeable latency improvements.
Connectivity
No connection drops or speed issues with the onboard LAN controller, even with extensive file transfers.
Audio Quality
The onboard audio is a step down from higher-end models, but still satisfactory for most users.

The ASUS ROG Strix B550-A Gaming motherboard is a strong contender in the B550 category, especially for gamers and PC enthusiasts. Its AM4 socket and PCIe 4.0 support make it an excellent match for Zen 3 Ryzen 5000 and 3rd Gen AMD Ryzen CPUs, which is ideal for those looking to build a high-performance gaming rig. The board offers robust power delivery with 12+2 DrMOS power stages, ensuring stable and reliable performance even with high-core-count CPUs. The dual M.2 slots, one of which supports PCIe 4.0, provide ample and fast storage options, while the 2.5 Gb LAN ensures high-speed networking capabilities for online gaming and streaming. Additionally, the inclusion of HDMI 2.1 and DisplayPort 1.2 outputs offers flexible display connectivity options.

The audio quality is another highlight, featuring the SupremeFX S1220A codec with DTS Sound Unbound and AI noise-cancelling mic technology, which is great for immersive gaming experiences and clear communication. However, there are a few drawbacks. Despite its excellent features, the motherboard's memory clock speed is relatively modest at 2666 MHz, which might not fully leverage the potential of higher RAM speeds available today. Also, the lack of built-in WiFi might be a limitation for users who prefer wireless connectivity.

Weighing in at 2.2 pounds and measuring 9.6 x 2 x 12 inches, it fits well within standard ATX cases, making it a versatile choice for many builds. The ASUS ROG Strix B550-A Gaming motherboard offers a well-rounded package with strong gaming-focused features, although some users might find the memory speed and lack of WiFi as areas for potential improvement.

Rating
9.8
Memory Support
Storage Options
Connectivity

Most important from
3516 reviews

Memory Support
Overclocking DDR4 to 4000 MHz was achieved without overvolting or adjusting timings.
Storage Options
Moving to PCIe 4.0 for M.2 and GPU delivers noticeable latency improvements.
Connectivity
No connection drops or speed issues with the onboard LAN controller, even with extensive file transfers.
Audio Quality
The onboard audio is a step down from higher-end models, but still satisfactory for most users.
#3

Gigabyte GIGABYTE B550M AORUS Elite (AM4/ AMD/ B550/ Micro-ATX/ DDR4/ Dual M.2/ PCIe 4.0/ Realtek GbE LAN/Gaming Motherboard)

Rating
9.7
Form Factor
Connectivity

Most important from
415 reviews

Form Factor
The board layout is perfect for compact cases, with vertical USB and SATA ports, and allows both NVME slots to be used without losing SATA ports.
Connectivity
Setup is very easy with great boot times; however, the lack of optical out and manual can be inconvenient.

The Gigabyte GIGABYTE B550M AORUS Elite is a Micro-ATX motherboard designed for gaming and high-performance usage. It features an AMD B550 chipset, making it compatible with a wide range of AMD Ryzen processors, including the latest 5000 series. This motherboard supports up to 128 GB of DDR4 memory, with speeds up to 4733 MHz, which is great for demanding applications and multitasking. The 5+3 phases VRM solution with Low RDS(on) MOSFETs ensures stable power delivery, suitable for overclocking enthusiasts.

With dual PCIe 4.0 x4 M.2 slots, storage speeds are significantly enhanced, ideal for gamers and professionals requiring fast data access. However, the lack of built-in Wi-Fi might be a drawback for those looking for wireless connectivity. The Realtek GbE LAN provides reliable wired networking. The inclusion of RGB FUSION 2.0 and Smart Fan 6 adds customization and improved cooling options, respectively.

For audio, it uses high-quality components to deliver a good audio experience. A notable feature is the Q-Flash Plus, allowing BIOS updates without needing a CPU, memory, or GPU installed, which is convenient for troubleshooting. While the board offers excellent features at a competitive price point, its Micro-ATX form factor may limit expansion options for some users. This motherboard is best suited for gamers and power users looking for a balance of performance and value.

Rating
9.7
Form Factor
Connectivity

Most important from
415 reviews

Form Factor
The board layout is perfect for compact cases, with vertical USB and SATA ports, and allows both NVME slots to be used without losing SATA ports.
Connectivity
Setup is very easy with great boot times; however, the lack of optical out and manual can be inconvenient.

Buying Guide for the Best B 550 Motherboards

Choosing the right B550 motherboard is crucial for building a reliable and efficient computer system. The motherboard is the backbone of your PC, connecting all the components and allowing them to communicate with each other. When selecting a B550 motherboard, you need to consider several key specifications to ensure it meets your needs and provides the best performance for your setup.
Form FactorThe form factor of a motherboard refers to its size and shape, which determines the type of case it will fit into. The most common form factors are ATX, Micro-ATX, and Mini-ITX. ATX motherboards are the largest and offer the most features and expansion slots, making them ideal for high-performance builds. Micro-ATX boards are smaller and have fewer expansion slots, suitable for mid-range systems. Mini-ITX boards are the smallest and are perfect for compact builds where space is limited. Choose a form factor that fits your case and meets your expansion needs.
ChipsetThe chipset on a motherboard determines its capabilities and compatibility with other components. The B550 chipset is designed for AMD Ryzen processors and offers a good balance of features and performance. It supports PCIe 4.0 for faster data transfer speeds, making it a great choice for gaming and productivity tasks. When selecting a B550 motherboard, ensure it supports the specific Ryzen processor you plan to use and offers the features you need, such as overclocking support and multiple USB ports.
VRM QualityThe Voltage Regulator Module (VRM) is responsible for delivering stable power to the CPU. A high-quality VRM is essential for maintaining system stability, especially when overclocking. Look for motherboards with robust VRM designs, which typically include more power phases and better cooling solutions. For casual users and light workloads, a basic VRM will suffice. However, for gaming, content creation, or overclocking, opt for a motherboard with a high-quality VRM to ensure reliable performance.
Expansion SlotsExpansion slots on a motherboard allow you to add additional components, such as graphics cards, sound cards, and network cards. The number and type of expansion slots vary between motherboards. ATX motherboards usually have more slots, while Micro-ATX and Mini-ITX boards have fewer. Consider your current and future needs when choosing a motherboard. If you plan to use multiple graphics cards or other expansion cards, ensure the motherboard has enough slots to accommodate them.
Memory SupportMemory support refers to the type and amount of RAM a motherboard can handle. B550 motherboards typically support DDR4 RAM, with varying maximum capacities and speeds. Check the motherboard's specifications to ensure it supports the amount and speed of RAM you need. For general use and gaming, 16GB of RAM is usually sufficient. For more demanding tasks like video editing or 3D rendering, consider a motherboard that supports 32GB or more.
Storage OptionsStorage options on a motherboard include the types and number of storage devices it can support. B550 motherboards usually offer multiple SATA ports for traditional hard drives and SSDs, as well as M.2 slots for faster NVMe SSDs. Consider your storage needs and ensure the motherboard has enough ports and slots to accommodate your drives. If you plan to use high-speed NVMe SSDs, look for a motherboard with PCIe 4.0 support for maximum performance.
ConnectivityConnectivity options on a motherboard include USB ports, Ethernet ports, Wi-Fi, and Bluetooth. B550 motherboards typically offer a range of connectivity options, but the number and type can vary. Consider the devices you plan to connect to your PC and ensure the motherboard has enough ports to accommodate them. If you need fast internet speeds, look for a motherboard with a high-speed Ethernet port or built-in Wi-Fi. For connecting peripherals like keyboards, mice, and external drives, ensure the motherboard has enough USB ports.
Audio QualityAudio quality on a motherboard is determined by the onboard audio chipset and the quality of the components used. Higher-end motherboards often feature better audio components, providing clearer and more immersive sound. If you are an audiophile or plan to use your PC for gaming or media consumption, look for a motherboard with high-quality audio components. For general use, the onboard audio on most B550 motherboards will be sufficient.

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