Hardware Spec Index

Zephyra MB-7138 Prime B650 ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB7138-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index3,475 (Motherboards scale)
Category rank#47,862
Street price$249
Power34 W
Performance per dollar13.96
Released2022

Specifications

BrandZephyra
ModelZephyra MB-7138 Prime
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM17+1+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-7138 Prime B650 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/5653243 (accessed 2026-10-21).