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Item#: N82E16816111048

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

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  • SATA 150 & 300
  • 4 3.5" Drive Bays
  • RAID 0, 1, 10, 5, 5+spare, spanning and JBOD (using bundled utilities)

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The TowerRAID TR4M-B is a compact RAID tower utilizing the latest SATA II port feature, where one single eSATA cable connects to four 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.

  • newegg 4 Hot-swappable SATA Drive Trays The Sans Digital TowerRAID TR4M-B features 4 SATA drive trays supporting both SATA I and SATA II hard drives for superior expandability. All drive trays are hot-swappable for easy installation and replacement without the need to shut down the whole system.
  • newegg Data Protection The Sans Digital TowerRAID TR4M-B supports multiple RAID modes including RAID JBOD, Span, Mirror, Stripe, RAID 5, RAID 10 and RAID 5+spare to ensure data integrity.
  • newegg Built-in 150W PSU The Sans Digital TowerRAID TR4M-B is equipped with a powerful 150W power supply unit that delivers strong power to system components and ensures a high level of system reliability.

Learn more about the SANS DIGITAL TR4M-B




SATA 1.5 & 3Gb/s
External I/O
eSATA 3Gbps (via Port Multiplier)
RAID Levels
RAID 0, 1, 10, 5, 5+spare, spanning and JBOD (using bundled utilities)


3.5" Drive Bays

System Management

OS Supported
Supports Windows 2000, XP, Vista, and Windows Server 2003
Supports MAC and Linux

Mechanical Spec

Power Supply
150W (115V - 230V Switchable)


Form Factor : Compact Tower
HDD Trays : 4 Hot-Swappable 3.5"
Maximum Capacity : 8TB
Drive Interface : 4 x 3.5" SATA I/ SATA II
Cooling Fan : 3.15" Ball Bearing Fan
Status Indicators : Power LED and 4 x Access LED

Dimensions & Weight

5.3" x 7.1" x 10.0"
5.9 lbs.
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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