Product comparison · 2 internal solid state drives

Lenovo 43W7746 internal solid state drive vs Lenovo 90Y8648 internal solid state drive

12specifications compared
8differ
4identical
20known for one product only

Key differences

SSD capacity
- 43W7746 internal solid state drive:200 GB
- 90Y8648 internal solid state drive:128 GB
SSD form factor
- 43W7746 internal solid state drive:1.8"
- 90Y8648 internal solid state drive:2.5"
Interface
- 43W7746 internal solid state drive:Serial ATA II
- 90Y8648 internal solid state drive:Serial ATA III
Data transfer rate
- 43W7746 internal solid state drive:3 Gbit/s
- 90Y8648 internal solid state drive:6 Gbit/s
Read speed
- 43W7746 internal solid state drive:150 MB/s
- 90Y8648 internal solid state drive:350 MB/s
Write speed
- 43W7746 internal solid state drive:35 MB/s
- 90Y8648 internal solid state drive:140 MB/s
Random read (4KB)
- 43W7746 internal solid state drive:20000 IOPS
- 90Y8648 internal solid state drive:50000 IOPS
Random write (4KB)
- 43W7746 internal solid state drive:3000 IOPS
- 90Y8648 internal solid state drive:7500 IOPS

Side by side

Differences highlightedShow differences only

Comparison of 43W7746, 90Y8648
32 specifications	A Lenovo 43W7746 internal solid state drive Model 43W7746 View product	B Lenovo 90Y8648 internal solid state drive Model 90Y8648 View product
Features8 differ
SSD capacityDiffers	200 GB	128 GB
SSD form factorDiffers	1.8"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Memory type	MLC	MLC
Data transfer rateDiffers	3 Gbit/s	6 Gbit/s
Read speedDiffers	150 MB/s	350 MB/s
Write speedDiffers	35 MB/s	140 MB/s
Random read (4KB)Differs	20000 IOPS	50000 IOPS
Random write (4KB)Differs	3000 IOPS	7500 IOPS
Read latencyKnown for one	Unknown — not stated by the source	500 µs
Write latencyKnown for one	Unknown — not stated by the source	3500 µs
S.M.A.R.T. supportKnown for one	Unknown — not stated by the source	Yes
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Native Command Queuing (NCQ)Known for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightKnown for one	Unknown — not stated by the source	73 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	174 mm
Package depthKnown for one	Unknown — not stated by the source	133 mm
Package heightKnown for one	Unknown — not stated by the source	63 mm
Package weightKnown for one	Unknown — not stated by the source	440 g
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 85%
Operating vibrationKnown for one	Unknown — not stated by the source	3.1 G
Operating shock	1500 G	1500 G
Maximum operating altitudeKnown for one	Unknown — not stated by the source	3050 m
Storage temperature (T-T)Known for one	-40 - 90 °C	Unknown — not stated by the source
Non-operating shockKnown for one	1500 G	Unknown — not stated by the source
Other featuresidentical
Internal	Yes	Yes
Poweridentical
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.8 W	Unknown — not stated by the source

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.

More internal solid state drive comparisons

All internal solid state drive comparisons