Hardware Spec Index

Zephyra MB-9891 XT X570 ATX Wi-Fi 6 Motherboard

Motherboards · Zephyra · SKU MB9891-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index4,668 (Motherboards scale)
Category rank#15,150
Street price$399
Power43 W
Performance per dollar11.70
Released2019

Specifications

BrandZephyra
ModelZephyra MB-9891 XT
SocketAM4
ChipsetX570
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet1GbE
WirelessWi-Fi 6 (802.11ax) + Bluetooth 5.2
OverclockingCPU + memory
VRM20+2+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-9891 XT X570 ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/2298548 (accessed 2026-10-19).