Hardware Spec Index

Novexa MB-8421 SE Z790 ATX Wi-Fi 6E Motherboard

Motherboards · Novexa · SKU MB8421-SE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index4,388 (Motherboards scale)
Category rank#20,104
Street price$439
Power42 W
Performance per dollar10.00
Released2023

Specifications

BrandNovexa
ModelNovexa MB-8421 SE
SocketLGA1700
ChipsetZ790
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-7200+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 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
VRM19+2+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1700 SocketDDR5 Memory ExplainedPCIe 5.0 ExplainedWi-Fi 6E Explained

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Cite this page: Hardware Spec Index, “Novexa MB-8421 SE Z790 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/994120 (accessed 2026-10-20).