HP 741138-B21#0D1 vs HP 741151-B21#0D1

Comparison of 741138-B21#0D1, 741151-B21#0D1

21 specifications	A HP 741138-B21#0D1 Model 741138-B21#0D1 View product	B HP 741151-B21#0D1 Model 741151-B21#0D1 View product
Features2 differ
SSD capacity	200 GB	200 GB
SSD form factor	2.5"	2.5"
Interface	SAS	SAS
Data transfer rate	12 Gbit/s	12 Gbit/s
Read speedDiffers	1000 MB/s	960 MB/s
Write speedDiffers	450 MB/s	520 MB/s
Random read (100% span)Known for one	—Unknown — not stated by the source	84000 IOPS
Random write (100% span)Known for one	—Unknown — not stated by the source	66000 IOPS
Bytes per sector	512	512
Hot-swapKnown for one	—Unknown — not stated by the source	Yes
Random read (4KB)Known for one	84000 IOPS	—Unknown — not stated by the source
Random write (4KB)Known for one	42000 IOPS	—Unknown — not stated by the source
Poweridentical
Power consumption (read)	9 W	9 W
Power consumption (write)	9 W	9 W
Weight & dimensionsidentical
Width	184.2 mm	184.2 mm
Depth	222.3 mm	222.3 mm
Height	14 mm	14 mm
Weight	450 g	450 g
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 55 °C	-40 - 55 °C
Other featuresidentical
Internal	Yes	Yes

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.