Hardware Spec Index

Kyndral MB-6643 Ultra X570 ATX Wi-Fi 6E Motherboard

Motherboards · Kyndral · SKU MB6643-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index5,361 (Motherboards scale)
Category rank#12,247
Street price$699
Power53 W
Performance per dollar7.67
Released2021

Specifications

BrandKyndral
ModelKyndral MB-6643 Ultra
SocketAM4
ChipsetX570
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM23+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysWi-Fi 6E Explained2.5GbE, 5GbE and 10GbE NetworkingAMD AM5 Chipsets ComparedIntel 800 Series Chipsets

Similar Motherboards

ModelBenchmarkPriceCompare
Halcyra MB-3485 Plus H610 ATX DDR4 Motherboard2,160$109Compare
Kyndral MB-3956 Ultra B760 ATX Wi-Fi 7 Motherboard3,961$299Compare
Zephyra MB-9363 XT X570 Micro-ATX Motherboard2,148$99Compare
Halcyra MB-4931 Ti B550 ATX Wi-Fi 6E Motherboard3,829$349Compare
Kyndral MB-8396 Ultra X570 E-ATX Wi-Fi 6 Motherboard5,613$549Compare
Novexa MB-2356 Ti X570 ATX Wi-Fi 6E Motherboard5,098$499Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-6643 Ultra X570 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/33338555 (accessed 2026-10-20).