Western Digital · NAS
WD100EFGX
WD Red Plus 10TB
SATA 6Gb/s · 3.5-inch · CMR
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View on Amazon US ↗New listing · ASIN B0F4R3YCL6
All 2 matched listings ↓As an Amazon Associate I earn from qualifying purchases.The Western Digital WD100EFGX is a 10TB WD Red Plus hard drive for NAS storage, using SATA 6Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | WD100EFGX |
|---|---|
| Nominal capacity | 10 TB · 10000 GB |
| RPM | 7200 |
| NAS bays | 8 |
| Interface | SATA 6Gb/s |
| Recording | CMR |
| Cache (MB) | 512 |
| Form factor | 3.5-inch |
| Workload rating (TB/year) | 180 |
| Physical sector size (bytes) | 4096 |
| Manufacturer limited warranty | 3 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 260 |
Source: Western Digital WD Red Plus 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 260 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
- 180 TB/year workload rating. This is a workload limit, not a promise of drive lifespan or a backup guarantee.
Before ordering
Match WD100EFGX, 10TB 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 B0F4R3YCL6
Amazon US · ASIN B0F4R3YCL6
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 · IronWolf
ST10000VN0008
10TB · SATA 6 Gb/s · CMR
Compare with WD100EFGX →View on Amazon US ↗ASIN B07J35YWQY · Check price and conditionSeagate · IronWolf Pro
ST10000NT001
10TB · SATA 6 Gb/s · CMR
Compare with WD100EFGX →View on Amazon US ↗ASIN B0B94NQCV5 · Check price and conditionSeagate · IronWolf
ST10000VN0004
10TB · SATA 6 Gb/s
Compare with WD100EFGX →View on Amazon US ↗ASIN B01I1HI65E · Check price and conditionWD100EFGX questions answered
Is WD100EFGX CMR or SMR?
The manufacturer lists CMR recording for WD100EFGX. Other models and capacities in the same family can differ.
What connection does WD100EFGX need?
WD100EFGX 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 WD100EFGX provide?
Its nominal capacity is 10000 GB, approximately 9313.2 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for WD100EFGX?
Manufacturer specification: 3 years (eligible new drives). A renewed, used, OEM or imported offer can have different coverage. Check the serial number and seller terms before buying.