ASRock B550M PRO4 mATX White DDR4

The ASRock B550M PRO4 motherboard is designed to support 3rd Gen AMD AM4 Ryzen processors and offers a micro ATX form factor. It features four DDR4 DIMM slots that support up to 128GB of memory with speeds exceeding 4533MHz when overclocked.

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$109.99

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Specifications:

Model: ASRock B550M PRO4 mATX White DDR4

Chipset: AMD B550

Form Factor: Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm

CPU Compatibility: Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors

Memory Support: Dual Channel DDR4 Memory Technology, 4 x DDR4 DIMM Slots

Maximum Memory Capacity: 128GB

Memory Speed: DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133

Memory Features: Supports Extreme Memory Profile (XMP) memory modules, ECC & non-ECC, un-buffered memory

RAM Slots: 4.0

Graphics Output: D-Sub, HDMI and DisplayPort 1.4; Supports Triple Monitor

Expansion Slots: 2 x PCI Express x16 Slots; 1 x PCI Express 3.0 x1 Slot; 1 x M.2 Socket (Key E)

Storage Options: 6 x SATA3 6.0 Gb/s Connectors, 1 x Hyper M.2 Socket, 1 x M.2 Socket (M2_2)

Ethernet: PCIE x1 Gigabit LAN 10/100/1000 Mb/s, Realtek RTL8111H

Wireless Bluetooth:

USB Ports (Rear): 1 x PS/2 Mouse/Keyboard Port, 1 x D-Sub Port, 1 x HDMI Port, 1 x DisplayPort 1.4, 1 x USB 3.2 Gen2 Type-A Port, 1 x USB 3.2 Gen2 Type-C Port, 4 x USB 3.2 Gen1 Ports, 2 x USB 2.0 Ports

USB Ports (Front): 2 x USB 2.0 Headers, 2 x USB 3.2 Gen1 Headers

Audio: 7.1 CH HD Audio with Content Protection (Realtek ALC1220/ALC1200 Audio Codec)

Back Panel I/O Ports: 1 x RJ-45 LAN Port with LED, HD Audio Jacks: Line in / Front Speaker / Microphone

Internal I/O Connectors: 1 x COM Port Header, 1 x SPI TPM Header, 1 x Power LED and Speaker Header, 2 x RGB LED Headers, 2 x Addressable LED Headers, 1 x CPU Fan Connector (4-pin), 1 x CPU/Water Pump Fan Connector (4-pin), 4 x Chassis/Water Pump Fan Connectors (4-pin), 1 x 24 pin ATX Power Connector, 1 x 8 pin 12V Power Connector, 1 x Front Panel Audio Connector

Cooling Headers: 1 x CPU Fan Connector (4-pin), 1 x CPU/Water Pump Fan Connector (4-pin), 4 x Chassis/Water Pump Fan Connectors (4-pin)

Power Connectors: 1 x 24 pin ATX Power Connector, 1 x 8 pin 12V Power Connector

BIOS: 256Mb AMI UEFI Legal BIOS with GUI support

Manufacturer Page: Link

Review

The ASRock B550M PRO4 motherboard stands out as a robust option for those integrating third-generation AMD Ryzen processors into their setup. Adopting the micro ATX form factor, it offers significant advantages in terms of price and performance, appealing particularly to users aiming for a budget-conscious yet potent build.

Design and Build Quality

This motherboard's design ethos centers on functional elegance, combining a clean white aesthetic with strategically placed components that maximize accessibility and heat management. The board features four DDR4 DIMM slots supporting up to a staggering 128GB of memory, capable of achieving speeds exceeding 4533 MHz when overclocked. Notably, its rear panel arrangement includes a substantial cover over the top controllers and power delivery, enhancing the structural rigidity and cooling efficiency [AnandTech].

Performance and Compatibility

Equipped with the AMD B550 chipset, the ASRock B550M PRO4 perfectly aligns with the latest Ryzen G-Series desktop processors, ensuring robust compatibility with a wide range of CPUs. It features a singular 8-pin power connector, optimizing its power supply and reducing electricity overhead [Tom's Hardware].

The motherboard supports both PCIe 4.0 and 3.0 standards across its three expansion slots. The reinforced primary PCIe 4.0 x16 slot is ideal for modern GPUs, while the additional PCIe 4.0 x4 M.2 slot, buffered by a dedicated heatsink, caters to high-speed storage solutions. An extra PCIe 3.0 x4 slot is conveniently positioned to support less bandwidth-intensive peripherals [AnandTech]

Connectivity and Audio Quality

The connectivity suite of the ASRock B550M PRO4 is expansive, featuring a mix of HDMI and DisplayPort outputs alongside multiple USB ports, including USB 3.2 Gen2 Type-A and Type-C. Additionally, the Realtek RTL8111H Gigabit LAN offers stable and fast Ethernet connections. However, a highlighted issue from user reviews is the motherboard's USB sensitivity, which can affect boot times and responsiveness. Disabling USB 3 ports superficially addresses this problem, but it might require a BIOS update for a comprehensive resolution [LDLC User Review].

Audio output is handled by a Realtek ALC1220/1200 codec, supporting a 7.1 channel high-definition experience. This audio solution provides clear and distinct sound quality, suitable for gaming and media consumption.

Conclusion