QNAP 4-bay USB 3.0 RAID Expansion Enclosure TR-004 The TR-004 USB 3.0 RAID expansion enclosure allows you to expand the capacity of your QNAP NAS and PC. The TR-004 can also be utilized as a DAS (Direct-attached Storage) device, allowing you to directly access its content just by connecting it via USB. The TR-004 features four 3.5-inch SATA drive bays with multiple RAID configuration options and USB 3.0 Type-C connectivity to bring you a highly reliable and secure storage capacity expansion solution. Features: USB 3.0 Type-C port for faster data transfer. Supports up to four SATA drives for reliable read and write performance Disk mode DIP switch to change from Hardware Control and Software Control configurations for setting RAID group. Lockable hard drive trays to prevent accidental drive removal. Eject button for disconnecting the TR-004 from a NAS or computer. Instantly back up files from the TR-004 to the NAS using the One Touch Copy button. Specifications: Drive Bay 4 x 3.5-inch SATA 3Gb/s Drive Compatibility • 3.5-inch SATA 6Gb/s, 3Gb/s hard disk drives• 2.5-inch SATA 6Gb/s, 3Gb/s hard disk drives• 2.5-inch SATA 6Gb/s, 3Gb/s solid state drives Lockable with key lock Key lock Hot-swappable USB Port 1 x USB 3.0 Type-CNOTE: This port is only for connecting the RAID enclosure to a NAS or computer. Buttons • Eject• Set• One Touch Copy Switches • Power• RAID modes: Software Ctrl, Individual, JBOD, RAID 0/1/5/10 Form Factor Tower Dimensions (H x W x D) 168.5 x 160.2 x 219 mm6.63 x 6.31 x 8.62 inch Weight 1.85 kg (4.08 lbs) Power Supply Unit 65W, 100-240V AC, 50/60 Hz Power Consumption (W) HDD standby: 4.17 WIn operation: 18.21 W(with 4 x 1TB HDDs) Sound Level 18.1 db(A). Operating Temperature & Relative Humidity 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F) Fan System: 1 x 12 cm, 12V DC smart fan Security Slot Kensington security slot