HDD · SAS · 2TB
HGST Ultrastar 7K4000 vs Seagate Constellation ES.3 2TB
The price verdict
HGST Ultrastar 7K4000 2TB has the lower cost per TB.
Price comparison, including shipping; not an overall reliability rating.
↓ Lower cost / TB
HGST Ultrastar 7K4000 2TB →$17.95
$8.97 / TB
Usedprices last checked 2026-10-14 02:07 UTC
Buy on eBay →Compared drive
Seagate Constellation ES.3 2TB →$44.95
$22.48 / TB
Refurbprices last checked 2026-10-14 02:07 UTC
Buy on eBay →Some “Buy” links earn us a commission. Who pays us.
the short version
- ▸On today's best listings the HGST Ultrastar 7K4000 2TB is 60% cheaper per terabyte ($8.97/TB vs $22.48/TB). Prices move — check the live table below.
spec by spec
✓ marks the better value for each comparable specification.
| Spec | HGST Ultrastar 7K4000 | Seagate Constellation ES.3 |
|---|---|---|
| Cost per TB (today) | ✓$8.97/TB | $22.48/TB |
| Best total price | ✓$17.95 | $44.95 |
| Workload rating | 550 TB/yr | 550 TB/yr |
| Warranty | EOL / seller only | EOL / seller only |
| MTBF | 2.5M hours | 2.5M hours |
| Cache | 64 MB | ✓128 MB |
| Spindle speed | 7,200 RPM | 7,200 RPM |
| Recording | CMR | CMR |
| Form factor | 3.5" | 3.5" |
Specs are manufacturer figures for each family; prices are the cheapest in-stock listing found on the last ingest, including shipping. Used and refurbished listings may differ in firmware, sector size and remaining warranty — verify with the seller.
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