WD Red Plus 2TB 3.5" NAS Hard Drive, 5400 RPM, CMR | WD20EFPX
The WD Red Plus 2TB (WD20EFPX) is a 3.5-inch SATA NAS hard drive built for always-on home office and small business NAS systems with up to 8 bays. It uses CMR recording and Western Digital's NASware technology to deliver reliable 24x7 performance, backed by a 3-year limited warranty.
Key features
- Tuned for NAS with NASware: drive parameters are matched to NAS workloads, helping performance and reliability in RAID-optimised systems.
- Designed for 24x7 operation: made for NAS systems that are always on, rated for a 180TB/year workload and 1 million hours MTBF.
- CMR recording with 64MB cache: transfer rates up to 175MB/s at 5400 RPM for file sharing, backups and media libraries.
- Tested NAS compatibility: Western Digital tests with a wide range of NAS vendors for compatibility with most NAS enclosures.
- Lower power and cooler running: engineered to use less power than previous models, reducing heat in multi-drive NAS boxes.
Specifications
| Model | WD Red Plus Internal NAS HDD 3.5" - 2TB (WD20EFPX) |
| Capacity | 2TB |
| Form factor | 3.5-inch |
| Interface / connector | SATA |
| Transfer rate | Up to 175MB/s |
| Disk speed | 5400 RPM |
| Recording technology | CMR |
| Cache | 64MB |
| Workload rating | 180TB/year |
| MTBF | 1 million hours |
| Compatibility | RAID-optimised NAS systems with up to 8 bays |
| Dimensions (L x W x H) | 5.79" x 4" x 1.03" |
| Weight | 720 g |
| Operating temperature | 0–65°C |
| Non-operating temperature | -40 to 70°C |
| Certifications | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL |
| Warranty | 3-year limited warranty (Western Digital) |
Compatibility
Western Digital lists the WD20EFPX for RAID-optimised NAS systems with up to 8 bays, and describes it as ideal for home offices, power users, small to medium businesses and consumer or commercial NAS systems.
Who it's for
Suited to: home offices and small businesses filling a 1–8 bay NAS for file sharing, backups and media storage. Browse diskless NAS units in our Synology range, or see more drives in the Western Digital collection.
Not suited to: NAS systems with more than 8 bays, or buyers who need more capacity per bay, who may prefer the WD Red Plus 8TB (WD80EFPX).
FAQs
Is the WD Red Plus 2TB (WD20EFPX) CMR or SMR?
It is CMR. Western Digital lists CMR as the recording technology for the WD20EFPX.
How many NAS bays is it designed for?
Up to 8 bays. Western Digital designs WD Red Plus drives for RAID-optimised NAS systems with up to 8 bays.
Can it run 24 hours a day?
Yes. WD Red Plus drives are designed for NAS systems that operate 24x7, with a 180TB/year workload rating.
What warranty does the WD20EFPX have?
Western Digital provides a 3-year limited warranty.
