Product comparison · 2 internal solid state drives

Lenovo 4XB0G54146 internal solid state drive vs Lenovo 90Y8643 internal solid state drive

7specifications compared
4differ
3identical
22known for one product only

Key differences

SSD form factor
- 4XB0G54146 internal solid state drive:M.2
- 90Y8643 internal solid state drive:2.5"
Width
- 4XB0G54146 internal solid state drive:80 mm
- 90Y8643 internal solid state drive:70 mm
Depth
- 4XB0G54146 internal solid state drive:22 mm
- 90Y8643 internal solid state drive:100 mm
Height
- 4XB0G54146 internal solid state drive:3.73 mm
- 90Y8643 internal solid state drive:7 mm

Side by side

Differences highlightedShow differences only

Comparison of 4XB0G54146, 90Y8643
29 specifications	A Lenovo 4XB0G54146 internal solid state drive Model 4XB0G54146 View product	B Lenovo 90Y8643 internal solid state drive Model 90Y8643 View product
Features1 differ
SSD capacity	256 GB	256 GB
SSD form factorDiffers	M.2	2.5"
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA III
Memory typeKnown for one	Unknown — not stated by the source	MLC
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speedKnown for one	Unknown — not stated by the source	350 MB/s
Write speedKnown for one	Unknown — not stated by the source	140 MB/s
Random read (4KB)Known for one	Unknown — not stated by the source	50000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	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 & dimensions3 differ
WidthDiffers	80 mm	70 mm
DepthDiffers	22 mm	100 mm
HeightDiffers	3.73 mm	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)Known for one	Unknown — not stated by the source	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 shockKnown for one	Unknown — not stated by the source	1500 G
Maximum operating altitudeKnown for one	Unknown — not stated by the source	3050 m
Other featuresidentical
Internal	Yes	Yes
Product colourKnown for one	Green	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.

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