Product comparison · 2 internal solid state drives

Lenovo 00W1227 internal solid state drive vs Lenovo 4N40A33715 internal solid state drive

Key differences

SSD capacity
- 00W1227 internal solid state drive:256 GB
- 4N40A33715 internal solid state drive:128 GB
SSD form factor
- 00W1227 internal solid state drive:1.8"
- 4N40A33715 internal solid state drive:2.5"
Interface
- 00W1227 internal solid state drive:Serial ATA III
- 4N40A33715 internal solid state drive:Serial ATA
Read speed
- 00W1227 internal solid state drive:350 MB/s
- 4N40A33715 internal solid state drive:500 MB/s
Write speed
- 00W1227 internal solid state drive:140 MB/s
- 4N40A33715 internal solid state drive:175 MB/s

Differences highlightedShow differences only

Comparison of 00W1227, 4N40A33715
17 specifications	A Lenovo 00W1227 internal solid state drive Model 00W1227 View product	B Lenovo 4N40A33715 internal solid state drive Model 4N40A33715 View product
Features5 differ
SSD capacityDiffers	256 GB	128 GB
SSD form factorDiffers	1.8"	2.5"
InterfaceDiffers	Serial ATA III	Serial ATA
Memory typeKnown for one	MLC	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Read speedDiffers	350 MB/s	500 MB/s
Write speedDiffers	140 MB/s	175 MB/s
Random read (4KB)Known for one	50000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	7500 IOPS	Unknown — not stated by the source
Read latencyKnown for one	500 µs	Unknown — not stated by the source
Write latencyKnown for one	3500 µs	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	54 mm	Unknown — not stated by the source
DepthKnown for one	79 mm	Unknown — not stated by the source
HeightKnown for one	5 mm	Unknown — not stated by the source
WeightKnown for one	54 g	Unknown — not stated by the source
Other featuresidentical
Internal	Yes	Yes
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 V

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.