Feature: 1. Supports 1 M.2PCIe SSD (NVMe or AHCI) and 1 M.2 SATA 6Gbps SSD simultaneously. 2. Support PCIEM.2 SSD (NVMe or AHCI, Key-M), PCIE 3.0 X4 32Gbps bandwidth. 3. Support SATA based M.2 SSD (Key-B/B+M), SATA 6Gbps bandwidth. 4. Supports PCIe Gen3 and PCIe Gen2 M.2 NGFF 110mm, 80mm, 60mm, 42mm, 30mm SSD. 5. 24 X 5 hole copper PCB for efficient ventilation and heat dissipation, including 2 heat sinks. 6. Transparent to the operating system, no drivers required, compatible with PCI-E 3.0 39Gbps standard. Specifications: Item Type: Adapter Card Support PCIe1.0, PCIe 2.0 and PCIe 3.0 Motherboards Support SATA-based M.2 SSD (Key-B/B+M), SATA 6Gbps bandwidth Size: approx. 144mm/5.7in 58mm/2.3in Package List: 1 x SSD Adapter Card 1 x Bracket 2 x Aluminum Radiator 4 x Thermal Silica Pad 8 x Silicone Ring 1 x SATA Cable 3 x Screwdriver 1 x Screw Kit 3 x Manual Instructions for use 2 x wipe pack 4 x screws Note: 1.Please remember that if you want to read the M.2 SATA SSD (B key), you need to connect a 7 pin SATA cable to the motherboard. (SATA cable is included) 2.Please remember that this adapter only supports PCIe X4 X8X16 slots. PCIe X1 slot is not supported.