HP 18.2GB 15K Ultra3 Universal SCSI vs HP 72GB hot-plug single-port SAS hard disk drive

Comparison of 18.2GB 15K Ultra3 Universal SCSI, 72GB hot-plug single-port SAS hard disk drive

16 specifications	A HP 18.2GB 15K Ultra3 Universal SCSIView product	B HP 72GB hot-plug single-port SAS hard disk driveView product
Features1 differ
HDD capacityDiffers	18.2 GB	72 GB
HDD speed	15000 RPM	15000 RPM
Interface	SAS	SAS
Type	HDD	HDD
Component forKnown for one	Server/workstation	—Unknown — not stated by the source
Hot-swap	Yes	Yes
Full stroke seek timeKnown for one	8 ms	—Unknown — not stated by the source
Average seek timeKnown for one	3.8 ms	—Unknown — not stated by the source
Bytes per sectorKnown for one	512	—Unknown — not stated by the source
HDD sizeKnown for one	—Unknown — not stated by the source	2.5"
HDD interface transfer rateKnown for one	—Unknown — not stated by the source	3 Gbit/s
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	101.6 mm	—Unknown — not stated by the source
HeightKnown for one	25.4 mm	—Unknown — not stated by the source
Other featuresidentical
Transfer rateKnown for one	160 MB/s	—Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	—Unknown — not stated by the source	5 V

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.