Wiebetech RTX110-3Q. Storage drive interface: Serial ATA, Serial ATA II, Serial ATA III, Storage drive size: 3.5", Maximum supported storage capacity: 3 TB. Maximum data transfer rate: 5000 Mbit/s. Product color: Black, LED indicators: HDD, Power. Weight: 3.99 lbs (1.81 kg). Certification: CE/FCC