Drive comparison
WD100EAGZ vs WD102FZBX
Western Digital WD Blue 10TB and Western Digital WD_BLACK 10TB, compared using published manufacturer specifications.
Western Digital
WD Blue 10TB
WD100EAGZ
SATA 6Gb/s · 3.5-inch
No verified exact-model Amazon listing yet.
Full specifications & all listings →
Western Digital
WD_BLACK 10TB
WD102FZBX
SATA 6Gb/s · 3.5-inch
$459.96
Amazon US · New listing ↗ASIN B0DF99JTF1 · as of Sep 12, 2026 10:52 UTC
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What differs between these models?
- Manufacturer limited warranty: WD100EAGZ lists 2 years (eligible new drives); WD102FZBX lists 5 years (eligible new drives).
- Sustained transfer (up to MB/s): WD100EAGZ lists 260; WD102FZBX lists 267.
A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.
Specifications side by side
| Specification | WD100EAGZ | WD102FZBX |
|---|---|---|
| Manufacturer | Western Digital | Western Digital |
| Product family | WD Blue | WD_BLACK |
| Model number | WD100EAGZ | WD102FZBX |
| Capacity (TB) | 10 | 10 |
| RPM | 7200 | 7200 |
| Interface | SATA 6Gb/s | SATA 6Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 512 | 512 |
| Form factor | 3.5-inch | 3.5-inch |
| Physical sector size (bytes) | 4096 | Not recorded |
| Manufacturer limited warranty | 2 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 260 | 267 |
Compatibility and buying checks
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
WD100EAGZ
Western Digital WD Blue manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.
WD102FZBX
Western Digital WD_BLACK manufacturer datasheet ↗
Reviewed 2026-08-21. Published specifications; no independent benchmark or failure-rate claim.