Product comparison · 2 internal solid state drives

Lenovo 4XB7B01885 internal solid state drive vs Lenovo 4XB7B04140 internal solid state drive

13specifications compared
8differ
5identical
21known for one product only

Key differences

SSD capacity
- 4XB7B01885 internal solid state drive:6.4 TB
- 4XB7B04140 internal solid state drive:1.92 TB
SSD form factor
- 4XB7B01885 internal solid state drive:U.2
- 4XB7B04140 internal solid state drive:2.5"
Interface
- 4XB7B01885 internal solid state drive:PCI Express 4.0
- 4XB7B04140 internal solid state drive:Serial ATA III
NVMe
- 4XB7B01885 internal solid state drive:Yes
- 4XB7B04140 internal solid state drive:No
Hardware encryption
- 4XB7B01885 internal solid state drive:Yes
- 4XB7B04140 internal solid state drive:No
Random read (4KB)
- 4XB7B01885 internal solid state drive:1100000 IOPS
- 4XB7B04140 internal solid state drive:82000 IOPS
Random write (4KB)
- 4XB7B01885 internal solid state drive:390000 IOPS
- 4XB7B04140 internal solid state drive:28000 IOPS
Maximum operating altitude
- 4XB7B01885 internal solid state drive:3048 m
- 4XB7B04140 internal solid state drive:3050 m

Side by side

Differences highlightedShow differences only

Comparison of 4XB7B01885, 4XB7B04140
34 specifications	A Lenovo 4XB7B01885 internal solid state drive Model 4XB7B01885 View product	B Lenovo 4XB7B04140 internal solid state drive Model 4XB7B04140 View product
Features7 differ
SSD capacityDiffers	6.4 TB	1.92 TB
SSD form factorDiffers	U.2	2.5"
InterfaceDiffers	PCI Express 4.0	Serial ATA III
NVMeDiffers	Yes	No
Memory typeKnown for one	TLC 3D NAND	Unknown — not stated by the source
Hardware encryptionDiffers	Yes	No
Random read (4KB)Differs	1100000 IOPS	82000 IOPS
Random write (4KB)Differs	390000 IOPS	28000 IOPS
Read latencyKnown for one	75 µs	Unknown — not stated by the source
Write latencyKnown for one	15 µs	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Drive writes per day (DWPD)Known for one	3	Unknown — not stated by the source
CertificationKnown for one	FCC Title 47, Part 15B, Class B CA/CSA-CEI/IEC CISPR 22:02 EN 55024: 1998 EN 55022: 2006 EN-60950-1 2nd Edition UL/CSA EN-60950-1 2nd Edition Low Voltage Directive 2006/95/EC C-Tick: AS/NZS3584 BSMI: CNS 13438 KCC Article 11.1 RoHS DIRECTIVE 2011/65/EU WEEE Directive 2002/96/EC	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Read speedKnown for one	Unknown — not stated by the source	480 MB/s
Write speedKnown for one	Unknown — not stated by the source	460 MB/s
Poweridentical
Power consumption (read)Known for one	18 W	Unknown — not stated by the source
Power consumption (write)Known for one	18 W	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	70 mm	Unknown — not stated by the source
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	15 mm	Unknown — not stated by the source
WeightKnown for one	146 g	Unknown — not stated by the source
Operational conditions1 differ
Operating vibrationKnown for one	2.17 G	Unknown — not stated by the source
Operating shockKnown for one	1000 G	Unknown — not stated by the source
Maximum operating altitudeDiffers	3048 m	3050 m
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating vibrationKnown for one	Unknown — not stated by the source	20 G
Non-operating shockKnown for one	Unknown — not stated by the source	1500 G

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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