← All HGST drives · All drives
A datacenter-class drive: higher workload rating and longer warranty than a consumer model, usually at a higher price per terabyte.
| Capacity | 4.0 TB |
|---|---|
| Form factor | 3.5" |
| Type | HDD |
| Interface | SAS |
| Series | Ultrastar 7K4000 |
| Class | Enterprise |
Recently observed offers
Excellent refurbished: $66.00 incl. listed shipping Checked 2026-10-07
Used: $46.45 incl. listed shipping Checked 2026-10-07
Cheapest exact-model fixed-price listing found per condition (New, Refurbished, Used) -- shown only for conditions with a real match, checked within three days of this page build. Availability and shipping may change; confirm at the seller.
Certified on 1 Synology NAS model
Synology marks this drive recommended (not merely compatible) on 1 of them.
Show all 1 Synology model
★ marks the models where the manufacturer lists this drive as recommended.
Certified on 16 QNAP NAS models
Show all 16 QNAP models
The certified list above comes from Synology's and QNAP's published Hardware Compatibility List. Certification is the manufacturer's statement, not a test performed here.