SSDBoss Review Our evaluation of PX-128M5S vs SSDNow V300

read performance

How quickly data is read from the drive

4K Random Read

write performance

How quickly data is written to the drive

4K Random Write

real world benchmarks

How well the drive performs common tasks



How well the drive performs on common benchmarks

Passmark Disk Rating, AS SSD Score and Tom's Hardware Storage Bench

No winner declared

Too close to call

Differences What are the advantages of each

Front view of Plextor PX-128M5S

Reasons to consider the
Plextor PX-128M5S

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Significantly faster 4k random read 234.04 MB/s vs 38.7 MB/s More than 6x faster 4k random read
Significantly larger cache 256 MB vs 0 MB Compared to all SSDs, 256 MB cache is just OK
Higher AS SSD score 828 pts vs 306 pts Around 2.8x higher AS SSD score
Faster tom's storage bench application 589 pts vs 412 pts Around 45% faster tom's storage bench application
Higher MTBF 1,500,000 hours vs 1,000,000 hours 50% higher MTBF
Faster AS SSD ISO copy 181.67 MB/s vs 113.54 MB/s More than 60% faster AS SSD ISO copy
Front view of Kingston SSDNow V300

Reasons to consider the
Kingston SSDNow V300

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Slightly faster 4k random write 33.3 MB/s vs 17.98 MB/s More than 85% faster 4k random write
Higher passmark rating 4,531 pts vs 3,222 pts More than 40% higher passmark rating

Benchmarks Real world tests of PX-128M5S vs SSDNow V300

4K Random Read

234.04 MB/s
SSDNow V300
38.7 MB/s

4K Random Write

17.98 MB/s
SSDNow V300
33.3 MB/s


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