# Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" 

- Category: Storage
- Brand: Western Digital
- Model: WD101EFAX
- Part number: WD101EFAX
- Price (US): $549.99
- Price last checked: 2026-08-05
- Rating: 4.6/5 from 11919 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/storage/western-digital-wd101efax/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Western Digital |
| Model | WD101EFAX |
| Maximum Capacity | 10 TB |
| Form Factor | 3.5" (HDD) |
| Cache Memory | 256 MB |
| Interface | SATA 6 Gb/s |

## Key Features

- Available in capacities ranging from 1-14TB with support for up to 8 bays
- 5400RPM performance class
- Supports up to 180 TB/yr workload rate*| * Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours))
- NASware firmware for compatibility
- Small or medium business NAS systems in a 24x7 environment
- 3-year limited warranty
- This model uses CMR technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology
- During this transition period, WD Red Plus devices may be delivered with a ”WD Red” label, but rest assured the device you are receiving will be the CMR-version of WD Red and can be confirmed by the model number

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