インターフェイス:PCIe 4.0/3.0 x16 interface, compatible with PCIe x8 and x16 slots, support data transfer rates up to 256 Gbps. External Connectors:4 x M.2 slots (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0)* * Supports PCIe M.2 storage devices only. LED & Switch:1 x M.2 FAN Power Switch, 4 x M.2 access LEDs / Thermal Solution :Active fan with heatsink RAID SUPPORT:AMD TRX40/X570 Series Motherboard models with PCIe 4.0 support, Supports PCIe Gen 3 bandwidth for other RAID on CPU models. サイズ:27 (L)×12.2(W) ×1.5(H)cm