Product comparison · 2 internal hard drives

Seagate 640GB 3.5'' SATA II vs Seagate Savvio 15K 73 GB 10pk

Key differences

HDD capacity
- 640GB 3.5'' SATA II:640 GB
- Savvio 15K 73 GB 10pk:73 GB
HDD speed
- 640GB 3.5'' SATA II:7200 RPM
- Savvio 15K 73 GB 10pk:15000 RPM
Interface
- 640GB 3.5'' SATA II:Serial ATA II
- Savvio 15K 73 GB 10pk:SCSI
Storage drive buffer size
- 640GB 3.5'' SATA II:32 MB
- Savvio 15K 73 GB 10pk:16 MB
Width
- 640GB 3.5'' SATA II:101.6 mm
- Savvio 15K 73 GB 10pk:70.1 mm
Depth
- 640GB 3.5'' SATA II:147 mm
- Savvio 15K 73 GB 10pk:100.2 mm
Height
- 640GB 3.5'' SATA II:26.1 mm
- Savvio 15K 73 GB 10pk:14.8 mm
Weight
- 640GB 3.5'' SATA II:380 g
- Savvio 15K 73 GB 10pk:210 g

Differences highlightedShow differences only

Comparison of 640GB 3.5'' SATA II, Savvio 15K 73 GB 10pk
22 specifications	A Seagate 640GB 3.5'' SATA II View product	B Seagate Savvio 15K 73 GB 10pk View product
Features4 differ
HDD capacityDiffers	640 GB	73 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	Serial ATA II	SCSI
Storage drive buffer sizeDiffers	32 MB	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Read seek timeKnown for one	Unknown — not stated by the source	2.9 ms
Write seek timeKnown for one	Unknown — not stated by the source	3.3 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	750000 h	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70.1 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	14.8 mm
WeightDiffers	380 g	210 g
Other featuresidentical
Sustained data rateKnown for one	Unknown — not stated by the source	112 MB/s
Poweridentical
Operating voltageKnown for one	5 / 12 V	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.