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TowerRAID TR4M6G - 4 Bay eSATA 6G Port Multiplier RAID 0/1/10/5/JBOD Tower w/ 6G PCIe Card


The TowerRAID TR4M6G is the world first 6G port multiplier storage, bundled with 6G PCIe 2.0 x4 RAID 5 controller. It is a compact RAID tower utilizing the latest SATA III port multiplier technology, where one single eSATA cable connects to four 6Gb/s SATA hard drives. Bundled with a high performance RAID controller card RR642, its RAID 5 performance is capable of reaching over 300MB/s. Online expansion is a feature included in the controller card so that RAID could be expanded without the need to recreate the storage space or erase the existing data. Advanced monitoring functions include real time hard drives health status, remote RAID management and e-mail notification for critical events. Designed with easy installation in mind, the trayless TR4M6G allows instant setup by simply inserting the hard drives after opening the protective ventilating cover. The included dual-port eSATA 6Gb/s PCIe 2.0 x4 RAID controller card allows the connection of up to two TR4M6G units (up to 8 hard drives) using only two cables, while all drives could be configured into a single or multiple RAID arrays, providing over 700MB/s in performance with 8 drives.


For more details on TowerRAID 6G performance, please visit: TowerRAID 6G Product Features Page.

Note:Sans Digital recommends the use of enterprise hard drives when in use with any RAID controller applications. Standard desktop or green desktop drive may not be supported and may compromise RAID system stability and performance. For more information on the difference between RAID and desktop hard drives, please see the Western Digital knowledge base. For a list of compatible RAID Edition SATA hard drives, please CLICK HERE.


  • New 6G Port Multiplier PM storage, with 6G RAID controller, fully support 6G hard drives 
  • Bundled with RR642 RAID controller card, PCIe 2.0 x4,  for over 300MB/s RAID 5 performance.
  • Dual-port eSATA 6Gb/s PCIe 2.0 x4 RAID controller supports up to 2 units or 8 hard drives in a single or multiple RAID array.
  • Backward compatible with PCIe 1.0.
  • Supports RAID 0, 1, 10, 5, 5+ spare, spanning and JBOD.
  • Supports online expansion to expand capacity without the need to recreate the RAID volume and erase the existing data.
  • Built-in real time hard drive health monitoring, remote RAID management and e-mail notification for critical events.
  • Supports PC, Linux and MAC OS, including Windows 8, Windows Server 2012 and MAC OS 10.6 or up.
  • Accesses four hard drives using only one cable.
  • Host interface: eSATA with 6G Port Multiplier.
  • Drive interface: 4 x 3.5" SATA, up to 4TB per drives.

For more details on TowerRAID 6G performance, please visit: TowerRAID 6G Product Features Page.


 Model  TR4M6G
 Form Factor  Compact Tower
 HDD Trays  4 Hot-Swappable 3.5"
 RAID Level  RAID 0, 1, 10, 5, 5+spare, Spanning and JBOD
 (via Bundled RR642 RAID Controller Card)
 Maximum Capacity  16TB Raw
 Host Interface & Transfer Rate  eSATA (via 6G Port Multiplier)
 PCIe 2.0 x4 for RR642 RAID Controller
 Drive Interface  4 x 3.5” SATA
 Cooling Fan  3.15" Ball Bearing Fan
 Power Supply  150W (115V - 230V Switchable)
 Status Indicators  Power LED and 4 * Access LEDs
 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 Year
 Package Contents

 TR4M6G (1)
 Power Cord (1)
 eSATA Cable (1)
 RR642 Dual-Port eSATA 6Gb/s PCIe x4 2.0 RAID Controller (1)
 Screws (1 set)
 Quick Installation Manual & CD (1)

Available Models

Enterprise Hard Drive Bundles
 Model  TR4M6G  TR4M6G4E  TR4M6G8E  TR4M6G12E  TR4M6G16E 
 Hard Drive  No HDD
 SATA x4
 SATA x4
 SATA x4
 SATA x4
 Storage Size
 N/A  4TB  8TB  12TB  16TB

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