? M.2 NVME SSD to PCIe 3.0 x4 channel for Key-M M.2 SSD (form factors 2230, 2242, 2260,2280) ? M.2 SATA-based SSD to SATA channel for Key-B/B+M M.2 SSD (form factors 2230, 2242, 2260,2280) ? mSATA to SATA channel for 30x50mm mSATA SSD ? With advanced heat sink solution,PCB 24 X 5 copper hole effective ventilation heat dissipation,Including 2 Aluminum Heatsink ? Including both regular size and low-profile slot brackets for flexible system chassis installation. LED power and data transfer status. No driver installation required