Hardware Spec Index

Zephyra MB-4303 Prime B850 ATX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB4303-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index3,870 (Motherboards scale)
Category rank#26,187
Street price$239
Power35 W
Performance per dollar16.19
Released2026

Specifications

BrandZephyra
ModelZephyra MB-4303 Prime
SocketAM5
ChipsetB850
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM17+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 SocketAMD AM5 Chipsets ComparedDDR5 Memory ExplainedPCIe 5.0 Explained

Similar Motherboards

ModelBenchmarkPriceCompare
Zephyra MB-3837 XT B850 Mini-ITX Wi-Fi 7 Motherboard3,599$249Compare
Halcyra MB-7426 Pro B550 ATX Wi-Fi 6 Motherboard4,316$369Compare
Zephyra MB-3194 Prime B650 Mini-ITX Wi-Fi 7 Motherboard3,650$269Compare
Orbita MB-5264 Edge B760 Micro-ATX Motherboard2,753$129Compare
Orbita MB-1187 Plus B650 ATX Wi-Fi 6E Motherboard4,490$379Compare
Orbita MB-7032 Max X570 ATX Wi-Fi 6E Motherboard5,508$629Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Zephyra MB-4303 Prime B850 ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/2597535 (accessed 2026-10-21).