Product comparison · 2 internal solid state drives

Lenovo 4XB0K12356 internal solid state drive vs Lenovo PM863a 240 GB 2.5" Serial ATA III V-NAND

17specifications compared
1differ
16identical
10known for one product only

Key differences

The Lenovo 4XB0K12356 internal solid state drive has 720 GB more SSD capacity than the Lenovo PM863a 240 GB 2.5" Serial ATA III V-NAND (960 GB vs 240 GB).

SSD capacity
- 4XB0K12356 internal solid state drive:960 GB
- PM863a 240 GB 2.5" Serial ATA III V-NAND:240 GB

Side by side

Differences highlightedShow differences only

Comparison of 4XB0K12356, PM863a
27 specifications	A Lenovo 4XB0K12356 internal solid state drive Model 4XB0K12356 View product	B Lenovo PM863a 240 GB 2.5" Serial ATA III V-NAND Model PM863a View product
Features1 differ
SSD capacityDiffers	960 GB	240 GB
SSD form factor	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Component for	Server/workstation	Server/workstation
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Read speedKnown for one	520 MB/s	Unknown — not stated by the source
Write speedKnown for one	480 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	97000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	24000 IOPS	Unknown — not stated by the source
Read latency	130 µs	130 µs
Write latency	30 µs	30 µs
Hot-swap	No	No
Mean time between failures (MTBF)	2000000 h	2000000 h
Memory typeKnown for one	Unknown — not stated by the source	V-NAND
ECCKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	UL TUV FCC CE Mark C-Tick Mark BSMI (Taiwan) KCC (Korea EMI)
Poweridentical
Power consumption (read)	3 W	3 W
Power consumption (write)	3 W	3 W
Weight & dimensionsidentical
Width	70 mm	70 mm
Height	7 mm	7 mm
Weight	60 g	60 g
DepthKnown for one	Unknown — not stated by the source	100 mm
Operational conditionsidentical
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Operating relative humidity (H-H)	8 - 85%	8 - 85%
Operating shock	1500 G	1500 G
Maximum operating altitude	3050 m	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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