Western Digital · Desktop
WD1003FZEX
WD_BLACK 1TB
SATA 6Gb/s · 3.5-inch · CMR
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View on Amazon US ↗New listing · ASIN B00GWG03XK
All 2 matched listings ↓As an Amazon Associate I earn from qualifying purchases.The Western Digital WD1003FZEX is a 1TB WD_BLACK hard drive for desktop storage, using SATA 6Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | WD1003FZEX |
|---|---|
| Nominal capacity | 1 TB · 1000 GB |
| RPM | 7200 |
| Interface | SATA 6Gb/s |
| Recording | CMR |
| Cache (MB) | 64 |
| Form factor | 3.5-inch |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 150 |
Source: Western Digital WD_BLACK manufacturer datasheet. Reviewed 2026-08-21. Published specifications, not our benchmark results.
What the specifications mean
- CMR recording is specified for this exact model. Check enclosure support and workload limits before installing it in an array.
- Up to 150 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
Before ordering
Match WD1003FZEX, 1TB and SATA 6Gb/s against the selected offer. Check your system’s exact-model compatibility list and the seller’s warranty and return terms.
Amazon US listings
Exact model matches on Amazon.com. A verified ASIN identifies the product; it does not guarantee current stock. Check the selected variant, condition and seller.
Amazon US · ASIN B00GWG03XK
Amazon US · ASIN B00JZE6HEK
Same-capacity alternatives with Amazon US links
These models share the drive type, interface class and capacity. Compare their specifications and your system requirements before choosing a replacement.
Seagate · Desktop HDD
ST1000DM003
1TB · SATA 6 Gb/s
Compare with WD1003FZEX →View on Amazon US ↗ASIN B005T3GRNW · Check price and conditionSeagate · BarraCuda
ST1000DM014
1TB · SATA 6 Gb/s · SMR
Compare with WD1003FZEX →View on Amazon US ↗ASIN B0BXGB9GVP · Check price and conditionWestern Digital · WD Blue
WD10EARZ
1TB · SATA 6Gb/s · CMR
Compare with WD1003FZEX →View on Amazon US ↗ASIN B0CMLPSL14 · Check price and conditionWD1003FZEX questions answered
Is WD1003FZEX CMR or SMR?
The manufacturer lists CMR recording for WD1003FZEX. Other models and capacities in the same family can differ.
What connection does WD1003FZEX need?
WD1003FZEX uses SATA 6Gb/s and a 3.5-inch form factor. Match both with the computer, controller or enclosure. An M.2 slot, 2.5-inch bay and 3.5-inch bay are not interchangeable.
How much usable space does WD1003FZEX provide?
Its nominal capacity is 1000 GB, approximately 931.3 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for WD1003FZEX?
Manufacturer specification: 5 years (eligible new drives). A renewed, used, OEM or imported offer can have different coverage. Check the serial number and seller terms before buying.