THE VERDICT
Blue SN580 1TB is the stronger buy for most people because it combines the broader spec lead with a more defensible price. NV3 1TB 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
Blue SN580 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
Both products are close enough on capacity that this row is not a deciding factor alone.
Interface
Blue SN580 1TB leads on interface based on the harder spec line.
Read Speed
Blue SN580 1TB leads on read speed based on the harder spec line.
THE BIG DIFFERENCES
- Blue SN580 1TB and NV3 1TB are priced closely, so the decision comes down to actual specs.
- Blue SN580 1TB leads on Interface: PCIe 4.0 x4 NVMe, Read Speed: 4150 MB/s, Write Speed: 4150 MB/s.
- NV3 1TB is only the better pick if you strongly prefer its brand or design direction.
| SPEC | WD Blue SN580 1TB | Kingston NV3 1TB | 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 | 1TB | Both products are close enough on capacity that this row is not a deciding factor alone. |
| Interface | PCIe 4.0 x4 NVMe | NVMe PCIe 3.0 | Blue SN580 1TB leads on interface based on the harder spec line. |
| Read Speed | 4150 MB/s | 3500 MB/s | Blue SN580 1TB leads on read speed based on the harder spec line. |
| Write Speed | 4150 MB/s | 2100 MB/s | Blue SN580 1TB leads on write speed based on the harder spec line. |
| Cache | HMB | HMB | Both products are close enough on cache that this row is not a deciding factor alone. |
| Warranty | 5 years | 3 years | Blue SN580 1TB leads on warranty based on the harder spec line. |
SPECIFICATIONS
| SPECIFICATIONS | BEST OVERALL WD Blue SN580 1TB | EXCELLENT ALTERNATIVE Kingston NV3 1TB |
|---|---|---|
| ACTION | View on Amazon ↗ | View on Amazon ↗ |
| OVERLKD SCORE | 39/100 | 38/100 |
| FORM FACTOR | M.2 2280 | M.2 2280 |
| CAPACITY | 1TB | 1TB |
| INTERFACE | PCIe 4.0 x4 NVMe | NVMe PCIe 3.0 |
| READ SPEED | 4150 MB/s | 3500 MB/s |
| WRITE SPEED | 4150 MB/s | 2100 MB/s |
| CACHE | HMB | HMB |
| WARRANTY | 5 years | 3 years |
BUYING TAKEAWAY
If you want the shortest answer: buy Blue SN580 1TB unless NV3 1TB's specific advantage is exactly what you need.
Winner: WD Blue SN580 1TB