Differences What are the advantages of each

View of Plextor PX-256M5S

Reasons to consider the
Plextor PX-256M5S

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Significantly larger cache 512 MB vs 256 MB 2x larger cache
Front view of Plextor PX-128M2P

Reasons to consider the
Plextor PX-128M2P

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Slightly higher passmark rating 3,620 pts vs 3,238 pts More than 10% higher passmark rating

Specifications Full list of technical specs

storage

PX-256M5S  vs
PX-128M2P 
Capacity 256 GB 264 GB
Cache 512 MB 256 MB
Interface SATA III SATA III
Interface speed 6 Gbit/s 6 Gbit/s
Controller Marvell 88SS9171 Marvell 88SS9174
Memory type MLC MLC

form factor

PX-256M5S  vs
PX-128M2P 
Form factor 2.5" 2.5"

manufacturer performance

MTBF 1,500,000 hours 1,500,000 hours

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