BYTECC BT-M240-BK Snap-In 2.5 SATA Double Drive Mobile Rack Mobile Rack Drives Support: Multi 2.5 Drives to 3.5 Bay Mobile Rack Interface: SATA I/II Specifications: Supported HDD For dual 2.5 SATA I/II Drives Bay Requirement 3.5 Bay Color Black PC Connection 15 pin SATA cable for power, 7 pin SATA cable for data M/B Requirement Windows 2000 /Server 2003/ XP / Vista Mac OS x LED indicator Power on, HDD activity Material Stainless steel rack & plastic panel