Hardware Spec Index

Orbita MB-8921 Plus B550 Micro-ATX Wi-Fi 6 Motherboard

Motherboards · Orbita · SKU MB8921-PLUS · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index3,486 (Motherboards scale)
Category rank#45,565
Street price$239
Power34 W
Performance per dollar14.59
Released2020

Specifications

BrandOrbita
ModelOrbita MB-8921 Plus
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6 (802.11ax) + Bluetooth 5.2
OverclockingCPU + memory
VRM17+1+1 phases, 60 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Kyndral MB-3426 XT A620 Mini-ITX Motherboard1,777$69Compare
Orbita MB-5516 Edge B650 ATX Wi-Fi 6E Motherboard3,528$209Compare
Zephyra MB-6322 Max A620 E-ATX Motherboard2,090$99Compare
Novexa MB-2316 Ti B650E Micro-ATX Wi-Fi 6E Motherboard4,328$359Compare
Halcyra MB-5740 Max B650 E-ATX Wi-Fi 6E Motherboard3,226$229Compare
Orbita MB-5193 Prime B650 ATX Motherboard2,761$149Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-8921 Plus B550 Micro-ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/9260665 (accessed 2026-10-25).