Hardware Spec Index

Halcyra MB-7921 Prime Z790 ATX DDR4 Wi-Fi 7 Motherboard

Motherboards · Halcyra · SKU MB7921-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index5,194 (Motherboards scale)
Category rank#46,487
Street price$659
Power51 W
Performance per dollar7.88
Released2025

Specifications

BrandHalcyra
ModelHalcyra MB-7921 Prime
SocketLGA1700
ChipsetZ790
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (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)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM23+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1700 SocketPCIe 5.0 ExplainedWi-Fi 7 (802.11be) Explained2.5GbE, 5GbE and 10GbE Networking

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Cite this page: Hardware Spec Index, “Halcyra MB-7921 Prime Z790 ATX DDR4 Wi-Fi 7 Motherboard”, https://vextor7.com/item/21474983 (accessed 2026-10-23).