Unitek 2-bay External HDD Enclosure S1308A01-UK
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Description
Description
Unitek 2-bay External HDD Enclosure S1308A01-UK
The Unitek S1308A01-UK is a dual-bay external storage enclosure designed for 2.5-inch and 3.5-inch SATA hard drives and SSDs. Supporting up to 40TB total capacity and transfer speeds of up to 5Gbps, it provides a practical solution for backups, data archiving and expanding desktop storage. Its aluminium-alloy housing and built-in cooling fan help maintain stable drive temperatures during extended use.

Key Features:
- Dual-bay external SATA drive enclosure
- Supports 2.5-inch and 3.5-inch SATA HDDs and SSDs
- Up to 40TB total supported capacity
- Up to 20TB per drive bay
- Up to 5Gbps data transfer speed
- USB-B host interface
- USB-A to USB-B cable included
- Built-in cooling fan
- Aluminium-alloy enclosure
- Tool-free installation for 3.5-inch drives
- Auto sleep after approximately 30 minutes of inactivity
- LED power and activity indicators
- Overcurrent, short-circuit and overvoltage protection
- Compatible with Windows, macOS and Linux
Features
Dual-Bay SATA Storage Expansion
The S1308A01-UK accommodates two SATA drives simultaneously, making it suitable for users who need additional storage capacity for backups, media libraries, archived files and general data management.

Supports HDDs and SSDs
Both 2.5-inch and 3.5-inch SATA hard drives and SATA SSDs are supported. Standard 3.5-inch drives can be installed without tools, while the included mounting hardware can be used for compatible 2.5-inch drives.
Up to 40TB Storage Capacity
Each bay supports up to 20TB, providing a total supported storage capacity of up to 40TB when two compatible drives are installed.
Up to 5Gbps Data Transfers
The S1308A platform supports transfer speeds of up to 5Gbps, helping improve backup and file-access performance compared with older USB interfaces.

Active Cooling and Aluminium Housing
A built-in cooling fan works together with the aluminium-alloy chassis to dissipate heat and help maintain stable drive operation during prolonged use.
Automatic Sleep Mode
The enclosure can enter sleep mode after approximately 30 minutes of inactivity, helping reduce power consumption and unnecessary drive activity.
Triple Power Protection
Built-in protection against overcurrent, short circuits and overvoltage helps provide safer power delivery to installed drives and reduces the risk of disruption during operation.
- HDDs and SSDs are not included.
- This S1308A model does not provide RAID functionality.
- 2.5-inch drive installation requires the included mounting screws.
- Maximum performance depends on the installed drives, USB host controller and connected computer.
Technical Specifications:
| Specification | Details |
| Brand | Unitek |
| Model / SKU | S1308A01-UK |
| Product Type | 2-Bay External HDD / SSD Enclosure |
| Drive Bays | 2 |
| Supported Drive Sizes | 2.5-inch / 3.5-inch |
| Supported Drive Interface | SATA HDD / SATA SSD |
| Maximum Capacity | Up to 40TB Total |
| Maximum Capacity Per Bay | Up to 20TB |
| Host Interface | USB-B |
| Data Transfer Rate | Up to 5Gbps |
| SATA Connectors | 2 x SATA |
| Cooling | Built-In Fan |
| Auto Sleep | After Approx. 30 Minutes of Inactivity |
| Indicators | Power / Drive Activity LEDs |
| Power Input | 12V / 4A DC |
| Protection | Overcurrent / Short-Circuit / Overvoltage |
| Cable Length | 1.2m |
| Operating System Compatibility | Windows 10 / 11, macOS 10.6 or Later, Linux Kernel 3.x |
| Material | Aluminium Alloy |
| Colour | Space Grey |
| Dimensions | 196 x 126 x 92mm |
| Package Contents | 1 x Unitek S1308A External Hard Drive Enclosure 1 x USB-A to USB-B 1.2m Cable 1 x 12V 4A Power Adapter 1 x HDD Tray Buckle 1 x Screwdriver Kit 1 x User Manual |
The Unitek S1308A01-UK provides flexible dual-drive external storage with support for 2.5-inch and 3.5-inch SATA HDDs and SSDs, up to 40TB total capacity, 5Gbps transfers and active cooling in a durable aluminium enclosure.
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