Plextor PX-256M2S 

Released April, 2011
  • 256 GB
  • 2.5" SATA III
  • 128 MB
6.2 Out of 10

SSDBoss Review Our evaluation of the Plextor PX-256M2S

read performance

How quickly data is read from the drive

PX-256M2S
5.6
840 Pro
6.6
840 EVO
6.6
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

PX-256M2S
5.7
840 Pro
7.0
840 EVO
6.9
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

PX-256M2S
7.8
840 Pro
8.1
840 EVO
7.9
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

PX-256M2S
6.1
840 Pro
6.7
840 EVO
6.7
PCMark Vantage and AS SSD Score

6.2

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

PX-256M2S
6.2
840 Pro
6.9
840 EVO
6.9

Benchmarks Real world tests of the Plextor PX-256M2S

4K Random Read

PX-256M2S
68.86 MB/s
840 EVO
318.8 MB/s
840 Pro
311.34 MB/s

4K Random Write

PX-256M2S
28.1 MB/s
840 Pro
130.58 MB/s
Extreme SSD
119.02 MB/s

Windows 7 Boot-up Time

PX-256M2S
8.4 s
RealSSD C300
18.7 s
Extreme SSD
9.6 s

Avg. Power Consumption

PX-256M2S
3.4 Watts
Crucial m4
1.41 Watts
Samsung 840
1.69 Watts

4K Random Read Access Time

PX-256M2S
8.9 ms
Crucial m4
28.42 ms
840 Pro
1.91 ms

4K Random Write Access Time

PX-256M2S
3.63 ms
840 EVO
0.78 ms
840 Pro
0.8 ms

Specifications Full list of technical specs

storage

Capacity 256 GB
Cache 128 MB
Interface SATA III
Interface speed 6 Gbit/s
Controller Marvell 88SS9174-BKK2
Memory type MLC

form factor

Form factor 2.5"
Weight 75 g

manufacturer performance

MTBF 1,500,000 hours
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