Hardware Spec Index

Zephyra MB-6647 Prime B860 E-ATX Motherboard

Motherboards · Zephyra · SKU MB6647-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,796 (Motherboards scale)
Category rank#13,013
Street price$129
Power27 W
Performance per dollar21.67
Released2025

Specifications

BrandZephyra
ModelZephyra MB-6647 Prime
SocketLGA1851
ChipsetB860
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-9000+ (OC, CUDIMM)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM14+1+1 phases, 50 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1851 SocketIntel 800 Series ChipsetsDDR5 Memory ExplainedPCIe 5.0 Explained

Similar Motherboards

ModelBenchmarkPriceCompare
Novexa MB-6885 XT H810 Micro-ATX Motherboard1,575$69Compare
Novexa MB-2810 XT X570 Micro-ATX Motherboard1,506$69Compare
Kyndral MB-3639 Core B550 ATX Wi-Fi 6E Motherboard4,130$329Compare
Kyndral MB-3205 Max B650 E-ATX Wi-Fi 6E Motherboard3,472$229Compare
Novexa MB-8318 Max Z890 Mini-ITX Wi-Fi 7 Motherboard4,290$399Compare
Zephyra MB-2875 Ultra B550 E-ATX Wi-Fi 6E Motherboard3,824$269Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-6647 Prime B860 E-ATX Motherboard”, https://vextor7.com/item/52325746 (accessed 2026-10-25).