Differences What are the advantages of each

Front view of Plextor PX-M5P

Reasons to consider the
Plextor PX-M5P

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Significantly higher capacity 512 GB vs 128 GB 4x higher capacity
Much larger cache 768 MB vs 256 MB 3x larger cache
Significantly faster sequential write 470 MB/s vs 200 MB/s More than 2.2x faster sequential write
Significantly faster random write 88,000 IOPS vs 51,000 IOPS Around 75% faster random write
Faster random read 100,000 IOPS vs 71,000 IOPS More than 40% faster random read
Thinner thickness 7 mm vs 10 mm More than 25% thinner thickness
Front view of Plextor M5S

Reasons to consider the
Plextor M5S

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Slightly faster power consumption (Idle) 0.7 Watts vs 0.17 Watts More than 4x faster power consumption (Idle)

Features Key features of the PX-M5P  vs M5S 

random read

PX-M5P
100,000 IOPS
Plextor M5S
71,000 IOPS

random write

PX-M5P
88,000 IOPS
Plextor M5S
51,000 IOPS

sequential read

PX-M5P
540 MB/s
Plextor M5S
520 MB/s

sequential write

PX-M5P
470 MB/s
Plextor M5S
200 MB/s

Specifications Full list of technical specs

storage

PX-M5P  vs
M5S 
Capacity 512 GB 128 GB
Cache 768 MB 256 MB
Interface SATA III SATA III
Interface speed 6 Gbit/s 6 Gbit/s
Controller Marvell 88SS9187 Marvell 88SS9174-BLD2
Memory type MLC MLC
NAND process size 19 nm 25 nm
Maximum shock force 1,500G 1,500G

form factor

PX-M5P  vs
M5S 
Form factor 2.5" 2.5"
Mfg warranty 5 years 3 years
Thickness 7 mm 10 mm
Weight 70 g 75 g

manufacturer performance

Sequential read 540 MB/s 520 MB/s
Sequential write 470 MB/s 200 MB/s
Random read 100,000 IOPS 71,000 IOPS
Random write 88,000 IOPS 51,000 IOPS
Power consumption (Idle) 0.17 Watts 0.7 Watts
Power consumption (Active) 0.25 Watts 2.8 Watts

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