Seagate BarraCuda 2TB HDD
- + Blazing fast PCIe Gen 4/5 speeds
- + DRAM cache for consistent performance
THE VERDICT
BarraCuda 2TB HDD 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
BarraCuda 2TB HDD carries the stronger OverLKD score and therefore the broader all-round recommendation.
Form Factor
BarraCuda 2TB HDD leads on form factor based on the harder spec line.
Capacity
BarraCuda 2TB HDD 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
Blue SN580 500GB leads on read speed based on the harder spec line.
THE BIG DIFFERENCES
- BarraCuda 2TB HDD and Blue SN580 500GB are priced closely, so the decision comes down to actual specs.
- BarraCuda 2TB HDD leads on Form Factor: 3.5" HDD, Capacity: 2TB.
- Blue SN580 500GB still has a case if you care more about read speed than balanced value.
| SPEC | Seagate BarraCuda 2TB HDD | WD Blue SN580 500GB | READOUT |
|---|---|---|---|
| Form Factor | 3.5" HDD | M.2 2280 | BarraCuda 2TB HDD leads on form factor based on the harder spec line. |
| Capacity | 2TB | 500GB | BarraCuda 2TB HDD leads on capacity based on the harder spec line. |
| Interface | SATA III | NVMe PCIe 4.0 | Both products are close enough on interface that this row is not a deciding factor alone. |
| Read Speed | 220 MB/s | 4150 MB/s | Blue SN580 500GB leads on read speed based on the harder spec line. |
| Write Speed | 220 MB/s | 3600 MB/s | Blue SN580 500GB leads on write speed based on the harder spec line. |
| Cache | 256MB | SLC | Both products are close enough on cache that this row is not a deciding factor alone. |
| Warranty | 2 years | 5 years | Blue SN580 500GB leads on warranty based on the harder spec line. |
SPECIFICATIONS
| SPECIFICATIONS | BEST OVERALL Seagate BarraCuda 2TB HDD | EXCELLENT ALTERNATIVE WD Blue SN580 500GB |
|---|---|---|
| ACTION | View on Amazon ↗ | View on Amazon ↗ |
| OVERLKD SCORE | 39/100 | 38/100 |
| FORM FACTOR | 3.5" HDD | M.2 2280 |
| CAPACITY | 2TB | 500GB |
| INTERFACE | SATA III | NVMe PCIe 4.0 |
| READ SPEED | 220 MB/s | 4150 MB/s |
| WRITE SPEED | 220 MB/s | 3600 MB/s |
| CACHE | 256MB | SLC |
| WARRANTY | 2 years | 5 years |
BUYING TAKEAWAY
If you want the shortest answer: buy BarraCuda 2TB HDD unless Blue SN580 500GB's specific advantage is exactly what you need.
Winner: Seagate BarraCuda 2TB HDD