DUAL REMOVABLE M.2 DRIVE BAYS: Use an available PCIe 4.0 x8 or x16 expansion slot to install, swap, or upgrade PCIe M.2 SSDs; Supports 2230, 2242, 2260, and 2280 M-Key M.2 NVMe SSDs; Additional drive trays sold separately (TR-M2-REMOVABLE-PCIE) TOOLLESS INSTALLATION: Install an M.2 drive into the drive tray or insert the tray into the drive bay without the need for tools; Power/Activity LED indicator; Drive tray features a latching mechanism and is lockable for secure installation (2 keys incl.) EFFECTIVE EXPANSION: Provide quick-swap external access to internal M.2 NVMe drives without requiring external enclosures or adapters; Maintain full drive performance of up to 64Gbps per drive; Ideal for servicing, replacing, or upgrading M.2 drives RELIABLE PERFORMANCE: Vented stainless steel frame, bracket, & tray w/thermal pads, along w/an aluminum cover & active cooling fans, aid in heat dissipation; Anti-vibration springs on the drive tray reduce shock or vibrations; Optional screw for stability COMPATIBILITY: No drivers or software required and works w/any OS (e.g.,Windows, Linux); Compatible with PCI Express 4.0/3.0 motherboards with PCIe Bifurcation and an available x8 or x16 slot; PCIe bifurcation required; Not compatible with M.2 SATA drives