Product comparison · 2 internal hard drives

HP 36.4GB 15K Ultra3 Universal SCSI vs Seagate 320GB SATA 6Gb/s 2.5"

10specifications compared
9differ
1identical
16known for one product only

Key differences

HDD capacity
- 36.4GB 15K Ultra3 Universal SCSI:36.4 GB
- 320GB SATA 6Gb/s 2.5":320 GB
HDD speed
- 36.4GB 15K Ultra3 Universal SCSI:15000 RPM
- 320GB SATA 6Gb/s 2.5":7200 RPM
Interface
- 36.4GB 15K Ultra3 Universal SCSI:Wide Ultra3 SCSI
- 320GB SATA 6Gb/s 2.5":Serial ATA III
Component for
- 36.4GB 15K Ultra3 Universal SCSI:Server/workstation
- 320GB SATA 6Gb/s 2.5":Laptop
Average seek time
- 36.4GB 15K Ultra3 Universal SCSI:3.8 ms
- 320GB SATA 6Gb/s 2.5":11 ms
Bytes per sector
- 36.4GB 15K Ultra3 Universal SCSI:512
- 320GB SATA 6Gb/s 2.5":4096
Operating temperature (T-T)
- 36.4GB 15K Ultra3 Universal SCSI:10 - 35 °C
- 320GB SATA 6Gb/s 2.5":0 - 60 °C
Width
- 36.4GB 15K Ultra3 Universal SCSI:101.6 mm
- 320GB SATA 6Gb/s 2.5":70.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 36.4GB 15K Ultra3 Universal SCSI, 320GB SATA 6Gb/s 2.5"
26 specifications	A HP 36.4GB 15K Ultra3 Universal SCSI View product	B Seagate 320GB SATA 6Gb/s 2.5"View product
Features6 differ
HDD capacityDiffers	36.4 GB	320 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Wide Ultra3 SCSI	Serial ATA III
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	11 ms
Average seek timeDiffers	3.8 ms	11 ms
Bytes per sectorDiffers	512	4096
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Full stroke seek timeKnown for one	8 ms	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	1.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.65 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 35 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	400 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensions2 differ
WidthDiffers	101.6 mm	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightDiffers	25.4 mm	7 mm
WeightKnown for one	Unknown — not stated by the source	95 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Transfer rateKnown for one	160 MB/s	Unknown — not stated by the source

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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