Product comparison · 2 internal solid state drives

Lenovo 4XB7A90873 internal solid state drive vs Lenovo 4XB7A90878 internal solid state drive

15specifications compared
5differ
10identical
14known for one product only

Key differences

The Lenovo 4XB7A90873 internal solid state drive has 240 GB more SSD capacity than the Lenovo 4XB7A90878 internal solid state drive (480 GB vs 240 GB). The Lenovo 4XB7A90878 internal solid state drive has 1" more SSD form factor than the Lenovo 4XB7A90873 internal solid state drive (3.5" vs 2.5"). The Lenovo 4XB7A90873 internal solid state drive has 31,500 IOPS more random read (4KB) than the Lenovo 4XB7A90878 internal solid state drive (71000 IOPS vs 39500 IOPS). Component for: Server on the Lenovo 4XB7A90873 internal solid state drive, Server/workstation on the Lenovo 4XB7A90878 internal solid state drive.

SSD capacity
- 4XB7A90873 internal solid state drive:480 GB
- 4XB7A90878 internal solid state drive:240 GB
SSD form factor
- 4XB7A90873 internal solid state drive:2.5"
- 4XB7A90878 internal solid state drive:3.5"
Component for
- 4XB7A90873 internal solid state drive:Server
- 4XB7A90878 internal solid state drive:Server/workstation
Random read (4KB)
- 4XB7A90873 internal solid state drive:71000 IOPS
- 4XB7A90878 internal solid state drive:39500 IOPS
Random write (4KB)
- 4XB7A90873 internal solid state drive:15000 IOPS
- 4XB7A90878 internal solid state drive:10000 IOPS

Side by side

Differences highlightedShow differences only

Comparison of 4XB7A90873, 4XB7A90878
29 specifications	A Lenovo 4XB7A90873 internal solid state drive Model 4XB7A90873 View product	B Lenovo 4XB7A90878 internal solid state drive Model 4XB7A90878 View product
Features5 differ
SSD capacityDiffers	480 GB	240 GB
SSD form factorDiffers	2.5"	3.5"
Memory typeKnown for one	V-NAND TLC	Unknown — not stated by the source
Component forDiffers	Server	Server/workstation
Random read (4KB)Differs	71000 IOPS	39500 IOPS
Random write (4KB)Differs	15000 IOPS	10000 IOPS
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
H/W PLP functionKnown for one	Yes	Unknown — not stated by the source
Drive writes per day (DWPD)Known for one	1	Unknown — not stated by the source
CertificationKnown for one	UL TUV FCC CE Mark C-Tick Mark BSMI (Taiwan) KCC (Korea EMI)	Unknown — not stated by the source
Hardware encryptionKnown for one	Unknown — not stated by the source	No
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Read speedKnown for one	Unknown — not stated by the source	420 MB/s
Write speedKnown for one	Unknown — not stated by the source	210 MB/s
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	7 mm	Unknown — not stated by the source
Operational conditionsidentical
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%

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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