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
SSD form factor	2.5"	2.5"
Interface	Serial ATA III	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
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
Internal	Yes	Yes
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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