MS4UM+B image

Sans Digital MobileSTOR MS4UM+B 4 Bay eSATA Port Multiplier and USB 3.0 JBOD Tower (Black)

  • $124.00

Sans Digital MobileSTOR MS4UM+B 4 Bay eSATA Port Multiplier and USB 3.0 JBOD Tower (Black)


The MobileSTOR MS4UM+B is a compact JBOD tower utilizing the latest SATA port multiplier and USB 3.0 technology, where one single eSATA cable or USB 3.0 cable connects to four SATA hard drives. Four hard drives can be access to the computer individually, providing instant storage expansion with ease. Designed with easy installation in mind, the trayless MS4UM+B allows instant setup by simply inserting the hard drives after opening the protective ventilating cover. Both USB 3.0 and eSATA provide high performance transfer rate. USB 3.0 are now available with the various systems while older USB 2.0 port is backward compatible. Optional USB 3.0 controller card is available. Port Multiplier technology is widely available in current eSATA port, including home sever, laptop and personal computer, and an optional port multiplier supported eSATA controller can be purchases for added performance and functionality, such as RAID application. MS4UM+B supported in Windows, Linux and Mac, including storage expansion, home server applications as well as personal data backup. Four hot-swappable hard drives slots are behind the front cover to allow easy trouble shooting and hard drive replacement. The newly trayless design allow easy installation. With adjustable cooling fan design, and high performance transfer rate to support various audio and video editing problems, MS4UM+B is the ideal storage tower for high-end computing.


  • Supports PC, Linux and MAC OS, including Windows 7 and Snow Leopard/Lion.
  • Accesses four hard drives using only one cable.
  • Host interface: eSATA with Port Multiplier *  or USB 3.0 (backward compatible with USB 2.0)
  • Drive interface: 4 x 3.5" SATA .
  • Supports the latest 3TB hard drive. Up to 12TB in storage capacity.
  • Support port multiplier enabled RAID adapter for additional RAID application.
  • Auto / manual adjustable cooling fan speed to enclosure quiet and efficient cooling.
  • Trayless design and dust-proof front cover


 Model  MS4UM+B
 Form Factor  Compact Tower
 HDD Trays  4 Hot-Swappable 3.5"
 RAID Level  JBOD (Hard drives are accessed individually)
 Maximum Capacity  12TB
 Host Interface & Transfer Rate  USB 3.0 (backward compatible with USB 2.0)
 eSATA (via Port Multiplier)
 Port Multiplier supported eSATA port required for eSATA port.
 Please see Sans Digital eSATA port multiplier controller card selections.
 Drive Interface  4 x 3.5? SATA
 Cooling Fan  3" Ball Bearing Fan
 Power Supply  Input: AC 100-240V, 50Hz/60Hz
 Output: DC +12V/5A
 Max. Power: 60W
 Status Indicators  Cooling fan status, hard drives status and power LEDs
 Dimension (in)  5.3"W x 7.0"H x 9.7"D
 Weight (lb)  4.5
 Safety Regulations  CE, FCC, UL, RoHS
 Limited Warranty  1 Year
 Package Contents  MS4UM+B (1)
 Power Cord & Power Adapter(1)
 USB 3.0 Cable (1)
 eSATA Cable (1)
 HDD screws (8)
 HDD Handle (4)
 Screw Driver (1)
 Quick Installation Manual (1) 

Available Models

 Model  MS4UM+B  MS4UM+B4T  MS4UM+B8T  MS4UM+B12T
 Hard Drive  No HDD
 SATA * 4
 SATA * 4
 SATA * 4
 Total Storage Size  N/A  4TB  8TB  12TB


Enterprise RAID Edition Hard Drive:

 Model  MS4UM+B  MS4UM+B4E  MS4UM+B8E  MS4UM+B12E
 Hard Drive  No HDD
 SATA RAID Ed. * 4
 SATA RAID Ed. * 4
 Total Storage Size  N/A  4TB  8TB  12TB

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