Hitachi bought IBM’s hard drive business in 2003, renamed itself HGST, and was acquired by Western Digital in 2012. Which era a drive comes from determines almost everything about how it is handled.
IBM’s drive division went to Hitachi in 2003, became HGST, and was bought by WD in 2012. The underlying families carried straight through, which is why donor matching works at all — and why it has to be exact.
Hitachi drives, and the HGST range that followed after Western Digital acquired the business, have a deserved reputation for durability. What reaches this bench reflects that: these are usually not drives that failed young. They are drives that ran for a decade and then wore out.
The failure profile is correspondingly different. Motor and bearing wear appears more often than head crashes, and the drives frequently arrive from equipment nobody thought about for years — laboratory instruments, industrial controllers, old NAS units still running because nothing prompted a replacement.
Donor sourcing is the constraint rather than the technique. Deskstar and Travelstar families are no longer manufactured, and matching firmware revision on a fifteen-year-old drive takes time.
Deskstar HDS721010, HDS722020 3.5-inch desktop and NAS duty. Motor and bearing wear rather than head failure.
Travelstar HTS541010, HTS545050 2.5-inch laptop drives. Still turning up in machines that have been in service far longer than expected.
Ultrastar HUA722010, HUS724040 Enterprise SAS and SATA. Array members out of older server estates.
HGST-branded Deskstar NAS Post-acquisition range. Effectively WD internals under the HGST name on later models.
Touro externals Simple USB enclosures. Bridge failure is common and the disk behind it usually fine.
Legacy IBM Deskstar The pre-2003 lineage. Rare now, and almost always out of industrial or laboratory equipment.
A Hitachi recovery is rarely difficult in technique. It is frequently slow in logistics, because a matching donor has to be found for a family that stopped being made years ago and matched on firmware revision as well as head configuration.
We hold a deliberate reserve of older families precisely because this region's laboratory and industrial equipment keeps producing them. Where a particular revision has to be sourced, you are told the likely timescale at the diagnostic rather than discovering it later.
Usually yes. Age affects donor availability rather than recoverability, and these drives are generally well built. The data on them is often irreplaceable precisely because it is old.
Common. Tell us if the machine has to go back into service — we can return the recovery as a bootable clone on modern media rather than as a folder of files.
Firmware or service area rather than mechanics. No physical damage, and no software will touch it. Frequently a good outcome.
Days to a couple of weeks depending on family. You get a realistic estimate at the diagnostic rather than an optimistic one.
From £300 +VAT, fixed in writing. Donor sourcing affects the timescale, not the agreed figure.