CT4000P3PSSD8 vs WD4004FRYZ
Crucial CT4000P3PSSD8 (4TB) versus WD WD4004FRYZ (4TB)
Verdict
For a NAS or any RAID array, the WD4004FRYZ is the clear pick - it's a CMR drive, while the CT4000P3PSSD8 uses recording, which is not recommended for RAID. Only consider the CT4000P3PSSD8 for single-drive or archival use.
| CT4000P3PSSD8 | WD4004FRYZ | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Recording tech | CMR | |
| RAID / NAS safe | No | Yes |
| Class | Desktop | Enterprise |
| Spindle speed | - | 7200 RPM |
| Cache | - | 256 MB |
| Noise (idle) | - | 20 dB |
| Fill | - | Air |
| Interface | NVMe | SATA |
| Failure rate (AFR) | - | - |
| Price / TB | - | $44.15 |
Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB shows once live prices are wired.