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Mediasonic SmartShield HFR2-ASU3S2 RAID 0/1/3/5/10, JBOD 4 3.5" Drive Bays USB 3.0 / eSATA 4-Bay RAID External Hard Drive Enclosure

  • SATA 6Gb/s
  • 4 3.5" Drive Bays
  • RAID 0/1/3/5/10, JBOD
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Learn more about the Mediasonic HFR2-ASU3S2



General Spec

SATA 6Gb/s
External I/O
USB 3.0 / eSATA
RAID Levels
RAID 0/1/3/5/10, JBOD


3.5" Drive Bays

System Management

OS Supported
Windows Vista 32/64 bit, Windows 7 32/64 bit (with MBR enabled, supports total capacity up to 2TB)
Windows Vista 32/64 bit, Windows 7 32/64 bit (with GPT enabled, supports total capacity more than 2TB
Mac OS 10.3 or later (eSATA Connection ONLY, NOT USB 3.0)

Mechanical Spec

Power Supply
Power Adapter: 100V to 240V

General Spec

215(D) x 126(w) x 166(H) mm
1.8kg (excluding hard drive)
Hardware Embedded 256-bit NIST certified AES Encryption (Work with PC ONLY)

SmartKey Access - Easy to use, No Key, No Access to the data

Support all brand of 3.5" SATA I / II / III hard disk drive up to 3TB per drive

Transfer rate up to 5.0Gbps via USB 3.0 (PC ONLY)

Transfer rate up to 3.0Gbps via eSATA

Power Sync: Power off in synchronization with PC

Forced Convection Process

RAID Mode Support:
RAID 0 (Spanning) JBOD
RAID 0 (Stripping)
RAID 1 (Mirroring)
RAID 3 (Stripped set with dedicated parity)
RAID 5 (Striped set with distributed parity)
RAID 10 (Mirroring + Striping)

*Note: Mediasonic strongly recommend user to intall same capacity / model / brand of HDD.


Package Contents
HFR2-ASU3S2 Enclosure
eSATA Cable
USB 3.0 Cable
Power adapter (Universal)
Power cord (US Type)
User manual
Screw driver
HDD Handle

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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