vs
Samsung 840 Evo 1TB
OCZ Vertex 450 512GB
Top 1%481 points
Top 1%
Top 85%71 points
Top 85%
Samsung 840 Evo 1TB
OCZ Vertex 450 512GB
Top specs and features

Samsung 840 Evo 1TB vs OCZ Vertex 450 512GB: 12 facts in comparison

1. sequential read speed

The maximum sequential read speed according to the manufacturer. It is one test of how well the drive can read data.
540MB/s
Samsung 960 Pro 2TB: 3500MB/s
540MB/s

2. sequential write speed

The maximum sequential write speed according to the manufacturer. It is one test of how well the drive can write data.
520MB/s
Western Digital Black PCIe 1TB: 2800MB/s
530MB/s

3. internal storage

488GB more internal storage.
1000GB
Samsung 860 Pro 4TB 2.5": 4096GB
512GB

4. maximum random write speed

The maximum random write speed according to the manufacturer. It is one test of how well the drive can write data.
90000IOPS
Intel Optane 905P U.2 480GB: 550000IOPS
90000IOPS

5. random read speed

The maximum random read speed according to the manufacturer. It is one test of how well the drive can read data.
98000IOPS
Intel Optane 905P U.2 480GB: 575000IOPS
85000IOPS

6. thickness

0.2mm thinner.
6.8mm
Samsung 950 Pro 256GB: 2.2mm
7mm

7. bits of encryption supported

AES (Advanced Encryption Standard) encryption is a widely used method to secure data. There are three levels of encryption (128, 192 and 256) with 256-bit being the strongest.
256
Crucial MX500 2.5" 250GB: 256
0

8. warranty period

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.
3
Crucial MX500 2.5" 250GB: 60
3

9. width

0.3mm narrower.
100mm
Western Digital PC SN520 M.2 2230 512GB: 30mm
99.7mm

10. shock resistance

It is more resistant to impact and falls.
1500G
Western Digital Black PCIe 1TB: 1500G
1500G

11. weight

62g lighter.
53g
Western Digital PC SN520 M.2 2230 512GB: 3.5g
115g

12. height

0.1mm shorter.
69.85mm
Western Digital Black PCIe 1TB: 22mm
69.75mm

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