4-Bay SATA Docking Station: Supports up to four 2.5” or 3.5” SATA HDDs and SSDs for data access. backups. and multi-drive management from a single dock.
USB 3.0 Host Connection: Connects to a computer via USB 3.0 for reliable file transfers up to 5Gbps. with backward compatibility for USB 2.0 systems.
Trayless Drive Design: Allows direct insertion of drives without trays or tools. simplifying setup and maintenance when the dock is powered off.
Offline Clone Function: Enables direct drive-to-drive cloning without a computer. with LED indicators displaying clone progress during operation.
Plug and Play Operation: Requires no drivers or software and includes an external power adapter for stable operation with multiple installed drives.

Connect up to four 2.5” or 3.5” SATA HDDs or SSDs from one dock for backups. transfers. and storage management.

Insert drives directly with no trays or tools. Designed for simple setup and easy drive changes when powered off.

Works with both 2.5” and 3.5” SATA hard drives and SSDs in a single docking station.

USB 3.0 connection delivers data transfer speeds up to 5Gbps and remains compatible with USB 2.0 systems.

Multi-Drive Access Made Simple

The SABRENT DS-U3B4 is a 4-bay USB docking station designed for direct access to multiple SATA drives from a single USB connection. It supports up to four 2.5” or 3.5” SATA HDDs and SSDs. making it ideal for backups. archiving. diagnostics. and multi-drive management.

Trayless. Tool-Free Design

Drives slide directly into the dock without trays or tools. This simplifies drive rotation and reduces setup time when working with multiple disks.

Offline Clone Support

The DS-U3B4 supports standalone offline cloning. allowing data to be copied from a source drive to a target drive without a computer connection. Ideal for fast duplication and recovery workflows.

USB 3.0 Performance

Connect via USB 3.0 for data transfer speeds up to 5Gbps. with backward compatibility for USB 2.0 systems. Designed for reliability across modern and legacy computers.

Broad OS Compatibility

Works with Windows. macOS. and Linux systems using plug-and-play operation. A dedicated external power supply ensures stable operation when multiple drives are installed.

Product Type4-Bay SATA USB Docking StationInterfaceUSB 3.0 (up to 5Gbps)Drive Support2.5” SATA HDD / SSD. 3.5” SATA HDDMaximum DrivesUp to 4 SATA drivesOffline CloneYesHot SwapSupported (OS dependent)Power SupplyExternal 12V / 6.5A (included)Operating SystemsWindows. macOS. LinuxInstallationTool-free. traylessBackward CompatibilityUSB 2.0

Does this docking station support offline cloning?

Yes. The DS-U3B4 supports standalone offline cloning. allowing drive-to-drive copying without a computer.

Does each drive have its own power switch?

No. This model does not include individual power switches for each drive.

Does the dock include a cooling fan?

No. The DS-U3B4 does not include an internal cooling fan.

Can I use both 2.5” and 3.5” drives together?

Yes. The dock supports both 2.5” and 3.5” SATA drives simultaneously.

Is this a RAID enclosure?

No. This is a multi-drive docking station and does not support RAID modes.

4-Bay SATA Dock for Fast Multi-Drive Access

Use Four Drives at Once

Trayless Drive Insertion

2.5” and 3.5” Support

USB 3.0 Up to 5Gbps

Does this docking station support offline cloning?

Does each drive have its own power switch?

Does the dock include a cooling fan?

Can I use both 2.5” and 3.5” drives together?

Is this a RAID enclosure?