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TowerRAID TR8U - 8 Bay SATA to USB 2.0 JBOD / Spanning Enclosure


The TowerRAID TR8U is an 8-bay storage enclosures for high capacity storage needs. With built-in ventilating protective screen front panel, both units utilize cable-less backplane-design to support up to eight hard drives. Hard drives are installed on easy access hard drive trays for simple insertion and removal. Hard drive cooling is provided by a large 4.7” cooling fan located on the back of the units. The TR8U features JBOD mode for individual hard drive access. In addition to JBOD, both units support three different spanning modes, including 1 spanning set for 8 hard drives per set, 2 spanning sets for 4 hard drives per set, and 4 spanning sets for 2 hard drives per set. Storage modes could be selected via an easy access dip switch located on the back panel. Both units are environmental friendly with Auto-Power option, where the unit powers on only when the connected computer is on. Units are available in black (TR8U-B) and silver (TR8U) finish.


  • Supports eight 3.5-inch SATA hard drives to USB 2.0 interface, using a single USB 2.0 cable.
  • Selectable storage modes: hard drives space could be accessed individually (JBOD) or could be combined into larger volumes (spanning).
  • 3 spanning modes available: single spanning set with 8 hard drives, two spanning sets with 4 hard drives, and four spanning sets with 2 hard drives.
  • 2 selectable power modes: Normal Power Mode (manual ON/OFF), and Auto Power Mode (synchronized ON/OFF with the connected computer).
  • USB high-speed (480 Mbps), and backward-compatibles to full-speed (12 Mbps) data transfer.


 Model  TR8U
 Form Factor  Compact Tower
 HDD Trays  8 Hot-Swappable 3.5"
 RAID Level  JBOD / Spanning
 Maximum Capacity  16TB (2TB Per Volume)
 Host Interface & Transfer Rate  USB 2.0 
 Drive Interface  8 x 3.5” SATA I/ SATA II
 Cooling Fan  4.7" Ball Bearing Fan
 Power Supply  250W (90V-264V)
 Control Interface  N/A
 Status Indicators  Power LED
 Dimension (in)  5.9"W x 13.4"H x 13.4"D
 Weight (lb)  13
 Safety Regulations  CE, FCC, UL, RoHS
 Limited Warranty  1 Years
 Package Contents

 TR4U (1) 
 Hard Drive Trays (8)
 Power Cord (1) 
 USB 2.0 Cable (1) 
 Screws (1 set) 
 Quick Installation Manual & CD (1)

Available Models

Enterprise RAID Edition Hard Drive
 Model  TR8U  TR8U8E  TR8U16E  TR8U24E  TR8U32E
 Hard Drive  No HDD
 SATA II * 8
 SATA II * 8
 SATA II * 8
 SATA II * 8
 Storage Size
 N/A  8TB  16TB  24TB  32TB

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