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Samsung 840 Evo 250GB
Samsung 840 Evo 1TB
OCZ Vertex 450 512GB
Top 1%471 points
Top 1%
Top 1%471 points
Top 1%
Top 86%64 points
Top 86%
Samsung 840 Evo 250GB
Samsung 840 Evo 1TB
OCZ Vertex 450 512GB
Top specs and features

Samsung 840 Evo 250GB vs 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 970 Evo NVMe M.2 2280 2TB: 3500MB/s
540MB/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
Intel DC P4510 Series 8TB: 3000MB/s
520MB/s
530MB/s

3. internal storage

250GB
Intel DC P4510 Series 8TB: 8000GB
1000GB
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.
66000IOPS
Intel Optane 905P U.2 480GB: 550000IOPS
90000IOPS
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.
97000IOPS
Silicon Power AIC3C0P 800GB: 750000IOPS
98000IOPS
85000IOPS

6. thickness

6.8mm
Intel 600p 128GB: 1.5mm
6.8mm
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" 2TB: 256
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" 1TB: 60
3
3

9. weight

53g
Toshiba OCZ RC100 M.2 2242 120GB: 3g
53g
115g

10. shock resistance

It is more resistant to impact and falls.
1500G
Toshiba OCZ RC100 M.2 2242 120GB: 1500G
1500G
1500G

11. width

100mm
Western Digital Blue 1TB M.2 2280: 22mm
100mm
99.7mm

12. height

69.85mm
Toshiba OCZ RC100 M.2 2242 120GB: 22mm
69.85mm
69.75mm

Top 10 SSDs

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