Enermax Mobile Rack EMK3105 - Fitted to PCI slot for HDD expansion. Supports one 2.5 HDD or SSD. SATA 6.0G (SATA III) hard drives compatible Mobile Rack Drives Support: 1 x 2.5 Drive to PCI Slot Mobile Rack Interface: SATA I/II/III Compatible Products: Supports one 2.5 HDD or SSD