Western Digital WDBU6Y0040BBK-WESN 4TB portable hard drive
- 4 TB
- USB 3.0 (Micro-B)
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Two 2.5" SATA enclosures with USB 3.0 at 5 Gbps, tool-free, aluminium-alloy cases supporting drives up to 3 TB
The LUOM U25B30 two-pack provides a pair of black 2.5-inch USB 3.0 enclosures that accept SATA hard drives or SSDs up to 9.5 mm thick. Each unit uses an aluminium-alloy and ABS shell and is aimed at users who want to repurpose spare notebook drives for external storage or backup.
The slide-in tray requires no screws so drives can be swapped in seconds, and hot-swap capability lets you change media without rebooting. UASP support on the USB 3.0 link reduces protocol overhead, while backward compatibility with USB 2.0 and 1.1 ensures the enclosures work on virtually any legacy port.
Installation is plug-and-play on Windows from 98 through 10 and on Mac OS 8.6 or newer, with no drivers to install. The only common issue is that drives larger than 3 TB are not supported, and the USB bus alone may not supply enough current for some mechanical disks under heavy load.
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| Product | |
|---|---|
| Brand name | LUOM |
| Model name | U25B30 |
| Product color | Black |
| Ports & slots | |
| Interface type | USB 3.0 |
| Size & build | |
| Form factor | 2.5 in (6.35 cm) |
| Compatibility | |
| Supported platforms | Works with Windows Vista |
The enclosure has no moving parts or serviceable components; the tool-free slide-tray and SATA connector are designed for repeated swaps without wear items to replace.
Sustained throughput is capped by the SATA drive inside and the 5 Gbps USB 3.0 interface; the aluminum-alloy body helps spread heat so thermal throttling is unlikely to appear first.
The case is passive — no fan — so it adds zero noise; the aluminum-alloy shell dissipates drive heat silently, and power draw is only what the 2.5" SATA drive itself requires over USB 3.0.
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