Hardware Spec Index

Kyndral MB-4877 Ultra X670E E-ATX Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB4877-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index5,627 (Motherboards scale)
Category rank#8,954
Street price$579
Power51 W
Performance per dollar9.72
Released2025

Specifications

BrandKyndral
ModelKyndral MB-4877 Ultra
SocketAM5
ChipsetX670E
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 2× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM22+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Kyndral MB-4877 Ultra X670E E-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/5244148 (accessed 2026-10-26).