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TowerRAID TR4M-B - 4 Bay SATA to eSATA (Port Multiplier) JBOD / RAID 0, 1, 1+0, 5 Enclosure


The TowerRAID TR4M-B is a compact RAID tower utilizing the latest SATA II port feature, where one single eSATA cable connects to four 3Gpps SATA II hard drives. Designed with easy installation in mind, the trayless TR4M-B allows instant installation by simply inserting the hard drives after opening the protective ventilating cover. It supports JBOD and Spanning modes for instant storage expansion. It also supports RAID 0, 1 0+1, 5, 5+spare via included software utility, for high performance and hard drive redundancy. The package includes a 2-port eSATA PCIe card at no additional cost, which allows the connection between two TR4M units (up to 8 hard drives) using only two cables. PCI/PCI-X options are also available.


  • Accesses four hard drives using only one cable.
  • Host interface: eSATA with Port Multiplier.
  • Supports RAID 0, 1, 10, 5, 5+ spare, spanning and JBOD using bundles software utilities.
  • Drive interface: 4 x 3.5" SATA I / SATA II Hard drive.
  • Supports Windows 2000, XP, Vista, and Windows Server 2003.
  • Supports MAC and Linux. (Please note that the host adapter card is based on Silicon Image chipset, which currently only support up to MAC OS 10.5.1 by Silicon Image.)





 Model  TR4M-B
 Form Factor  Compact Tower
 HDD Trays  4 Hot-Swappable 3.5"
 RAID Level  RAID 0, 1, 10, 5, 5+spare, spanning and JBOD
 (using bundled utilities)
 Maximum Capacity  8TB
 Host Interface & Transfer Rate  eSATA 3Gbps (via Port Multiplier)
 Drive Interface  4 x 3.5” SATA I/ SATA II
 Cooling Fan  3.15" Ball Bearing Fan
 Power Supply  150W (115V - 230V Switchable)
 Control Interface  N/A
 Status Indicators  Power LED and 4 * Access LED
 Dimension (in)  5.3"W x 7.1"H x 10.0"D
 Weight (lb)  5.9
 Safety Regulations  CE, FCC, UL, RoHS
 Limited Warranty  1 Years
 Package Contents

 TR4M-B (1)
 Power Cord (1)
 eSATA Cable (1)
 2-Port eSATA PCIe Adapter Card (1)
 Screws (1 set)
 Quick Installation Manual & CD (1)

Available Models

Enterprise RAID Edition Hard Drive
 Model  TR4M-B  TR4M-B4E  TR4M-B8E  TR4M-B12E  TR4M-B16E 
 Hard Drive  No HDD
 SATA II * 4
 SATA II * 4
 SATA II * 4
 SATA II * 4 
 Storage Size
 N/A  4TB  8TB  12TB  16TB 




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