Bought a couple of these from PCWorld for £139.97 each – pretty cheap for a 2TB unit – in fact, its cheaper than buying the bare internal drive unit alone.

Bit of a job to open the unit up but inside its fitted with the WD20EADS model. This is a single 2TB unit with 32MB cache, ‘green power’ and spins up to 5400RPM.

I’m pretty impressed with the unit as a whole – VERY quiet and good power saving mode where the unit seems to shut itself down completely when not in use.

Toms Hardware has a reasonable review of the unit HERE – although I disagree with their noise figures – my unit is almost silent.

The drive:
WD 2TB My Book Essential internals

Case opened:
WD 2TB My Book Essential internals

USB to SATA interface PCB:
WD 2TB My Book Essential internals

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