1 x 3.5' bay size for 2 x M.2 NVMe SSD cage Supports M.2 NVMe SSDs (M-Key) and PCIe 3.0/4.0 x4 Two Oculink (SFF-8611) 4i connectors for lightning-fast data transfer Supports M.2 SSD lengths of 2230/2242/2260/2280 Aluminum frame with stainless tray and aluminum front bezel for durability Anti-vibration/grounded springs to protect your SSDs Tri-angle security keylock designed on the SSD tray for added security Tooless adjuster to install different length M.2 SSDs Comes with 7 x 7 x 1cm internal cooling fan x 1 & 2pin fan connector x 2 for optimal cooling Aluminum heat sink and thermal pad on the M.2 SSD carrier to prevent overheating LED indication for power on (green) and accessing (orange blinking)