Product comparison · 2 internal solid state drives

HP 875470-B21 internal solid state drive vs Lenovo 7N47A00124 internal solid state drive

11specifications compared
8differ
3identical
5known for one product only

Key differences

The HP 875470-B21 internal solid state drive has 80 GB more SSD capacity than the Lenovo 7N47A00124 internal solid state drive (480 GB vs 400 GB). The Lenovo 7N47A00124 internal solid state drive has 6 Gbit/s more data transfer rate than the HP 875470-B21 internal solid state drive (12 Gbit/s vs 6 Gbit/s). The Lenovo 7N47A00124 internal solid state drive has 178,000 IOPS more random read (4KB) than the HP 875470-B21 internal solid state drive (240000 IOPS vs 62000 IOPS). Interface: Serial ATA III on the HP 875470-B21 internal solid state drive, SAS on the Lenovo 7N47A00124 internal solid state drive. Product colour: Aluminium, Black on the HP 875470-B21 internal solid state drive, Grey on the Lenovo 7N47A00124 internal solid state drive.

SSD capacity
- 875470-B21 internal solid state drive:480 GB
- 7N47A00124 internal solid state drive:400 GB
Interface
- 875470-B21 internal solid state drive:Serial ATA III
- 7N47A00124 internal solid state drive:SAS
Data transfer rate
- 875470-B21 internal solid state drive:6 Gbit/s
- 7N47A00124 internal solid state drive:12 Gbit/s
Random read (4KB)
- 875470-B21 internal solid state drive:62000 IOPS
- 7N47A00124 internal solid state drive:240000 IOPS
Random write (4KB)
- 875470-B21 internal solid state drive:52500 IOPS
- 7N47A00124 internal solid state drive:166000 IOPS
Read latency
- 875470-B21 internal solid state drive:125 µs
- 7N47A00124 internal solid state drive:85 µs
Write latency
- 875470-B21 internal solid state drive:40 µs
- 7N47A00124 internal solid state drive:85 µs
Product colour
- 875470-B21 internal solid state drive:Aluminium, Black
- 7N47A00124 internal solid state drive:Grey

Side by side

Differences highlightedShow differences only

Comparison of 875470-B21, 7N47A00124
16 specifications	A HP 875470-B21 internal solid state drive Model 875470-B21 View product	B Lenovo 7N47A00124 internal solid state drive Model 7N47A00124 View product
Features7 differ
SSD capacityDiffers	480 GB	400 GB
InterfaceDiffers	Serial ATA III	SAS
Data transfer rateDiffers	6 Gbit/s	12 Gbit/s
Read speedKnown for one	Unknown — not stated by the source	1076 MB/s
Write speedKnown for one	Unknown — not stated by the source	1014 MB/s
Random read (4KB)Differs	62000 IOPS	240000 IOPS
Random write (4KB)Differs	52500 IOPS	166000 IOPS
Read latencyDiffers	125 µs	85 µs
Write latencyDiffers	40 µs	85 µs
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2500000 h
Operational conditionsidentical
Operating vibrationKnown for one	Unknown — not stated by the source	2.17 G
Operating shockKnown for one	Unknown — not stated by the source	1500 G
Other features1 differ
Product colourDiffers	Aluminium, Black	Grey

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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