Kyndral MB-3977 Prime A620 ATX Motherboard
Motherboards · Kyndral · SKU MB3977-PRIME · Released 2023 · Updated 2026-10-22
Key facts
| Benchmark index | 2,523 (Motherboards scale) |
|---|---|
| Category rank | #5,048 |
| Street price | $119 |
| Power | 23 W |
| Performance per dollar | 21.20 |
| Released | 2023 |
Specifications
| Brand | Kyndral |
|---|---|
| Model | Kyndral MB-3977 Prime |
| Socket | AM5 |
| Chipset | A620 |
| Form factor | ATX |
| Memory | 4× DDR5 DIMM, up to 192 GB |
| Max memory speed | DDR5-6400+ (OC) |
| Primary x16 slot | PCIe 4.0 x16 |
| M.2 slots | 5 total |
| Rear USB-C | 1× USB 3.2 Gen 2 10Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | None |
| Overclocking | Memory only |
| VRM | 13+1+1 phases, 70 A stages |
| BIOS | UEFI |
Related guides
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Cite this page: Hardware Spec Index, “Kyndral MB-3977 Prime A620 ATX Motherboard”, https://vextor7.com/item/2960686 (accessed 2026-10-22).