ASRock B550M Phantom Gaming 4 motherboard, AM4, Micro-ATX, DDR4

The ASRock B550M Phantom Gaming 4 is the Micro-ATX version of the Phantom Gaming series for AMD Ryzen processors in the AM4 socket. Despite its compact size it has four DDR4 slots (up to 128 GB), a PCIe 4.0 slot for the graphics card, and HDMI and DisplayPort outputs. There is no Wi-Fi; Gigabit Ethernet handles the network.

The maker highlights: an 8-phase power design with 50A chokes, a Hyper M.2 slot with PCIe 4.0 plus a second M.2 slot with PCIe 3.0, AMD StoreMI support and Polychrome RGB lighting.

• CPU socket. AM4
• Chipset. AMD B550
• Form factor. Micro-ATX
• Memory. DDR4, 4 slots, up to 128 GB
• M.2 SSD support. Hyper M.2 (PCIe 4.0) and M.2 (PCIe 3.0)
• Graphics card slot. PCIe 4.0
• Networking. Gigabit Ethernet, no Wi-Fi
• Manufacturer code. B550MPHANTOMGAMING4
• Warranty. 24 months