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Black rectangular dual-bay SATA hard drive dock with two vertical slots and USB 3.0 cable

ViewSonic

ViewSonic EC-HD2B USB 3.0 Dual Bay Hard Drive Docking Station & Cloner

SKU CH-1CWN-V5D6Z

Docks two 2.5" or 3.5" SATA drives via USB 3.0 with offline cloning up to 60Mbps and 20TB total capacity

  • Product colorBlack
  • Product dimensions159.0 in × 100.0 in × 69.0 in
  • Product weight1.19 lb (0.54 kg)
  • Connect two drives at once with dual 2.5"/3.5" SATA bays
  • Duplicate data offline at up to 60 Mbps without a computer
  • Transfer files at up to 5 Gbps via USB 3.0 with UASP support
  • Works instantly with plug-and-play, no drivers required
  • Accommodates drives up to 10 TB each for high-capacity storage

Dual-bay SATA dock and cloner

The ViewSonic EC-HD2B accepts two 2.5 or 3.5 inch SATA hard drives or SSDs simultaneously. It connects through a USB 3.0 interface and operates without any driver installation. The unit includes a power supply and a USB 3.0 cable for immediate use.

USB 3.0 bandwidth and offline cloning limit

Data moves at up to 5 Gbps over USB 3.0, falling back to 480 Mbps on USB 2.0 and 12 Mbps on USB 1.1. Offline duplication runs independently of the host at up to 60 Mbps, so large clones take longer than a direct PC transfer.

Drive capacity support and practical headroom

Each bay supports drives up to 10 TB, giving a combined 20 TB of accessible storage when both slots are filled. Drives larger than 10 TB per bay are not supported, so archivists needing higher single-drive capacities must look elsewhere.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $40.99
Pricier than about 73% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameViewsonic
Model nameEC-HD2B
Product colorBlack
Size & build
Product dimensions159.0 in × 100.0 in × 69.0 in
Product weight1.19 lb (0.54 kg)

Questions about this item

Should I choose the offline cloning mode or the USB 3.0 connection for my drives?

Use offline cloning to duplicate drives without a computer at up to 60 Mbps. Connect via USB 3.0 for host access at up to 5 Gbps with UASP support.

What does the 5 Gbps USB 3.0 rating deliver in actual use?

The 5 Gbps link supports SATA I, II and III drives. Real-world throughput depends on the installed drive, but UASP reduces overhead compared to older USB protocols.

Which SATA versions does the USB 3.0 interface support?

The dock accepts SATA I, II and III hard drives or SSDs. The USB 3.0 connection caps at 5 Gbps, so SATA III drives run at the interface maximum.

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