HDD · SAS · 18TB
Dell Enterprise Nearline vs WD Ultrastar DC HC550 18TB
The price verdict
A price verdict needs a current offer for both drives, and at least one of these prices is a sample. Compare the specs below.
Price comparison, including shipping; not an overall reliability rating.
Compared drive
Dell Enterprise Nearline 18TB →$177.55
$9.86 / TB
Refurbprices last checked 2026-08-04 05:54 UTC
View drive →Compared drive
WD Ultrastar DC HC550 18TB →WUH721818AL5204
$415.00
$23.06 / TB
Usedprices last checked 2026-10-13 22:07 UTC
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the short version
- ▸Warranty runs 5 years on the WD Ultrastar DC HC550 18TB versus seller warranty only on the Dell Enterprise Nearline 18TB.
spec by spec
✓ marks the better value for each comparable specification.
| Spec | Dell Enterprise Nearline | WD Ultrastar DC HC550 |
|---|---|---|
| Cost per TB (today) | $9.86/TB | $23.06/TB |
| Best total price | $177.55 | $415.00 |
| Workload rating | 550 TB/yr | 550 TB/yr |
| Warranty | EOL / seller only | ✓5 years |
| MTBF | 2.5M hours | 2.5M hours |
| Cache | 256 MB | ✓512 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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