Product comparison · 2 internal solid state drives

Lenovo 4XB0F28678 internal solid state drive vs Lenovo 90Y8643 internal solid state drive

11specifications compared
7differ
4identical
19known for one product only

Key differences

SSD capacity
- 4XB0F28678 internal solid state drive:120 GB
- 90Y8643 internal solid state drive:256 GB
Width
- 4XB0F28678 internal solid state drive:75 mm
- 90Y8643 internal solid state drive:70 mm
Depth
- 4XB0F28678 internal solid state drive:140 mm
- 90Y8643 internal solid state drive:100 mm
Height
- 4XB0F28678 internal solid state drive:20 mm
- 90Y8643 internal solid state drive:7 mm
Weight
- 4XB0F28678 internal solid state drive:530 g
- 90Y8643 internal solid state drive:73 g
Operating temperature (T-T)
- 4XB0F28678 internal solid state drive:0 - 60 °C
- 90Y8643 internal solid state drive:0 - 70 °C
Operating relative humidity (H-H)
- 4XB0F28678 internal solid state drive:5 - 95%
- 90Y8643 internal solid state drive:8 - 85%

Side by side

Differences highlightedShow differences only

Comparison of 4XB0F28678, 90Y8643
30 specifications	A Lenovo 4XB0F28678 internal solid state drive Model 4XB0F28678 View product	B Lenovo 90Y8643 internal solid state drive Model 90Y8643 View product
Features1 differ
SSD capacityDiffers	120 GB	256 GB
Memory typeKnown for one	Unknown — not stated by the source	MLC
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
CertificationKnown for one	CE, UL, KCC, TUV, BSMI, C-Tick	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	75 mm	70 mm
DepthDiffers	140 mm	100 mm
HeightDiffers	20 mm	7 mm
WeightDiffers	530 g	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 conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 70 °C
Operating relative humidity (H-H)Differs	5 - 95%	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
Product colourKnown for one	Black	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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