Athena Power BP-SAC2131B 3.5 HDD Hot-Swap Backplane Module Converts 2 X 5.25 to 3 X 3.5 SATA/SAS 6Gb/s HDD - Aluminum Cage & Tray w/ Reset & HDD PWR Buttons, 80mm Fan & LED Indicators Type: Other Specifications: Product Category: Internal Product Sub Category: SATA/SAS Interface Form Factor: 2 x 5.25 Interface: SATA/SAS Interface Trayless Design: No Supported HDD Size: 3.5 x 3 Hot-Swappable: Hot-Swappable Cage Color: Silver/Black Cooling Fan: 80mm x 1 (Rear) Material: Aluminum (Cage body & drive tray) / Plastic (Front bezel) Power Connector: Molex 4Pin x 2 / SATA 15Pin x 2 HDD Connection: SATA 7Pin x 3 Transfer Rate: Up to 6Gb/s RoHS Ready: RoHS Ready Door & Lock: Mechanical Lock on drive tray / HDD Power & Reset button on cage front bezel