Product comparison · 2 internal solid state drives

Goodram IRDM gen. 2 vs Goodram S400u 240 GB M.2 Serial ATA III TLC

Key differences

Differences highlightedShow differences only

Comparison of IRDM gen. 2, S400u
30 specifications	A Goodram IRDM gen. 2 View product	B Goodram S400u 240 GB M.2 Serial ATA III TLC Model S400u View product
Features4 differ
SSD capacityDiffers	120 GB	240 GB
SSD form factorDiffers	2.5"	M.2
NVMeKnown for one	Unknown — not stated by the source	No
Memory typeDiffers	MLC NAND	TLC
NAND flash typeKnown for one	Unknown — not stated by the source	TLC (Triple Level Cell)
Compressed transfer rate (read)Known for one	Unknown — not stated by the source	550 MB/s
Compressed transfer rate (write)Known for one	Unknown — not stated by the source	530 MB/s
Uncompressed transfer rate (read)Known for one	Unknown — not stated by the source	550 MB/s
Uncompressed transfer rate (write)Known for one	Unknown — not stated by the source	450 MB/s
TBW ratingDiffers	90	180
Read speedKnown for one	540 MB/s	Unknown — not stated by the source
Write speedKnown for one	520 MB/s	Unknown — not stated by the source
Random read (4KB)Known for one	38000 IOPS	Unknown — not stated by the source
Random write (4KB)Known for one	85000 IOPS	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	100 mm	80 mm
DepthDiffers	7 mm	3.5 mm
HeightDiffers	69.8 mm	22 mm
Packaging data4 differ
Package widthDiffers	140 mm	162 mm
Package depthDiffers	113 mm	52 mm
Package heightDiffers	15 mm	10 mm
Package weightDiffers	63 g	21.5 g
Logistics data1 differ
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717070
Products per master (outer) caseDiffers	10 pc(s)	20 pc(s)

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.