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Black rectangular dual-bay SATA docking station with upright drive slots and USB-C adapter

Wavlink

Wavlink WL-ST334U Dual Bay SATA Docking Station with USB-C Adapter

SKU CH-K2AH-XS5R4

Dual-bay SATA dock with USB-C adapter supports offline cloning and one-touch backup for 2.5" and 3.5" drives up to 8 TB each

  • Size2.5 in & 3.5 in
  • Drive interfaceSATA I/II/III
  • External connectionUSB Type C
  • Supported drivesDual HDD
  • Bay count2 Bay
  • Max capacity per bayUP to 8 TB
  • Dual 2.5" and 3.5" SATA bays accept up to 8 TB each
  • Offline clone copies data without a PC at up to 60 Mbps
  • One-touch backup starts with a single button press
  • USB 3.1 Gen 1 5 Gbps with UASP moves files up to 20 % faster
  • Tool-free hot-swap on Windows, Mac OS X and Linux needs no drivers

Dual-Bay SATA Dock for 2.5" and 3.5" Drives

The Wavlink WL-ST334U accepts two SATA I/II/III hard disks or SSDs up to 8TB each. It connects through USB 3.1 Gen 1 and includes a USB-C adapter for modern laptops. Offline cloning runs without a host computer and progress is shown by four LED indicators. The unit is aimed at technicians and archivists who need quick, tool-free access to bare drives.

Offline Clone Requires Larger Target Drive

Cloning starts with one button press and copies at up to 60Mbps. The target drive must be equal to or larger than the source drive, and the function works only while the dock is disconnected from a PC. No driver installation is needed for the dock itself on Windows, macOS or Linux.

UASP Protocol Sustains Higher Throughput

With UASP enabled the dock reaches 6Gbps over the internal SATA link, about 20% faster than standard USB 3.0 bulk endpoints. The 12V 3A power adapter keeps both bays spinning steadily during long imaging or recovery sessions. Housing is ABS plastic measuring 5.51" x 4.72" x 2.95".

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $25.99
Cheaper than about 91% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameWavlink
Model nameWL-ST334U
Product colorBlack
Product typeDock
Storage
Drive interfaceSATA I/II/III
Supported drivesDual HDD
Bay count2 Bay
Max capacity per bayUP to 8 TB
Ports & slots
External connectionUSB Type C
Power
Power adapterYes
Power details12 V 3A
Size & build
Size2.5 in & 3.5 in
Main materialABS
Product dimensions5.51 in × 4.72 in × 2.95 in
Compatibility
Supported operating systemsWindows
Mac OS X or above
In the box
In the box1 x ST334U Main Unit 1 x USB 3.1 C to C cable 1 x DC12 V/3A Power Adapter 1 x User Manual

Questions about this item

What does the 6 Gbps UASP figure mean when the dock is connected to my PC?

With UASP enabled the dock can move data at up to 6 Gbps between a SATA drive and the host, which is roughly 20 % faster than standard USB 3.0 bulk endpoints.

The dock uses USB 3.1 Gen 1 at 5 Gbps — what does that cap in practice?

The USB 3.1 Gen 1 link tops out at 5 Gbps, so even though the internal SATA bus can do 6 Gbps the external connection limits sustained throughput to the 5 Gbps ceiling.

What do I need to fit a 3.5-inch drive into either bay?

Each bay accepts 2.5-inch or 3.5-inch SATA drives directly with no tray or caddy required; just slide the drive in and connect the dock to power.

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