StarTech.com REMOVABLE SERIAL HARD DRIVE (DRW110SAT) Transforms your Serial ATA hard drive into a versatile mobile storage unit Drive drawer designed with a handle release mechanism for ease of use 3K Insertion Rating equates to nearly 3 removal/insertion cycles per day, every day for 3 years Hard drive cooling is provided by a rear mounted ball-bearing fan Designed with a power controlled key lock mechanism to prevent the hard drive form being accidentally removed while in operation LED indicator continuously showing the operating status of the drive drawer / The frame and caddy is constructed with high quality plastic for extra durability Supports SATA/300(SATA II) SATA/150 hard drives with data transfer rates of up to 3 Gb/sec. (300 MB/s) Look for Ships and Sold by Amazon to ensure you are receiving genuine StarTech.com product. Genuine products come in StarTech.com packaging.