Crucial P3 Plus 1TB
- + DRAM cache for consistent performance
- + Minimal heat in low-load
THE VERDICT
P3 Plus 1TB is the stronger buy for most people because it combines the broader spec lead with a more defensible price. Blue SN580 500GB is not a bad pick, but it only makes more sense if its narrower strengths line up exactly with your workload.
CRITERIA BREAKDOWN
Price Positioning
Both sit in a very similar price band, so price alone should not decide this comparison.
Overall Score
P3 Plus 1TB carries the stronger OverLKD score and therefore the broader all-round recommendation.
Form Factor
Both products are close enough on form factor that this row is not a deciding factor alone.
Capacity
P3 Plus 1TB leads on capacity based on the harder spec line.
Interface
Both products are close enough on interface that this row is not a deciding factor alone.
Read Speed
P3 Plus 1TB leads on read speed based on the harder spec line.
THE BIG DIFFERENCES
- P3 Plus 1TB and Blue SN580 500GB are priced closely, so the decision comes down to actual specs.
- P3 Plus 1TB leads on Capacity: 1TB, Read Speed: 5000 MB/s.
- Blue SN580 500GB is only the better pick if you strongly prefer its brand or design direction.
| SPEC | Crucial P3 Plus 1TB | WD Blue SN580 500GB | READOUT |
|---|---|---|---|
| Form Factor | M.2 2280 | M.2 2280 | Both products are close enough on form factor that this row is not a deciding factor alone. |
| Capacity | 1TB | 500GB | P3 Plus 1TB leads on capacity based on the harder spec line. |
| Interface | PCIe 4.0 x4 NVMe | NVMe PCIe 4.0 | Both products are close enough on interface that this row is not a deciding factor alone. |
| Read Speed | 5000 MB/s | 4150 MB/s | P3 Plus 1TB leads on read speed based on the harder spec line. |
| Write Speed | 3600 MB/s | 3600 MB/s | Both products are close enough on write speed that this row is not a deciding factor alone. |
| Cache | HMB | SLC | Both products are close enough on cache that this row is not a deciding factor alone. |
| Warranty | 5 years | 5 years | Both products are close enough on warranty that this row is not a deciding factor alone. |
SPECIFICATIONS
| SPECIFICATIONS | BEST OVERALL Crucial P3 Plus 1TB | EXCELLENT ALTERNATIVE WD Blue SN580 500GB |
|---|---|---|
| ACTION | View on Amazon ↗ | View on Amazon ↗ |
| OVERLKD SCORE | 39/100 | 39/100 |
| FORM FACTOR | M.2 2280 | M.2 2280 |
| CAPACITY | 1TB | 500GB |
| INTERFACE | PCIe 4.0 x4 NVMe | NVMe PCIe 4.0 |
| READ SPEED | 5000 MB/s | 4150 MB/s |
| WRITE SPEED | 3600 MB/s | 3600 MB/s |
| CACHE | HMB | SLC |
| WARRANTY | 5 years | 5 years |
BUYING TAKEAWAY
If you want the shortest answer: buy P3 Plus 1TB unless Blue SN580 500GB's specific advantage is exactly what you need.
Winner: Crucial P3 Plus 1TB