Product comparison · 2 internal hard drives

Seagate 320GB 2.5" SATA II vs Seagate Savvio 15K 36 GB 10pk

12specifications compared
11differ
1identical
24known for one product only

Key differences

HDD capacity
- 320GB 2.5" SATA II:320 GB
- Savvio 15K 36 GB 10pk:36 GB
HDD speed
- 320GB 2.5" SATA II:5400 RPM
- Savvio 15K 36 GB 10pk:15000 RPM
Interface
- 320GB 2.5" SATA II:Serial ATA II
- Savvio 15K 36 GB 10pk:SCSI
Storage drive buffer size
- 320GB 2.5" SATA II:8 MB
- Savvio 15K 36 GB 10pk:16 MB
HDD number of heads
- 320GB 2.5" SATA II:4
- Savvio 15K 36 GB 10pk:2
Average latency
- 320GB 2.5" SATA II:5.56 ms
- Savvio 15K 36 GB 10pk:2 ms
Operating temperature (T-T)
- 320GB 2.5" SATA II:0 - 60 °C
- Savvio 15K 36 GB 10pk:5 - 55 °C
Width
- 320GB 2.5" SATA II:69.8 mm
- Savvio 15K 36 GB 10pk:70.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 320GB 2.5" SATA II, Savvio 15K 36 GB 10pk
36 specifications	A Seagate 320GB 2.5" SATA II View product	B Seagate Savvio 15K 36 GB 10pk View product
Features6 differ
HDD capacityDiffers	320 GB	36 GB
HDD speedDiffers	5400 RPM	15000 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	SCSI
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD number of headsDiffers	4	2
Average latencyDiffers	5.56 ms	2 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	500000 h	Unknown — not stated by the source
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
Poweridentical
Power consumption (standby)Known for one	0.205 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.685 W	Unknown — not stated by the source
Power consumption (read)Known for one	1.6 W	Unknown — not stated by the source
Power consumption (write)Known for one	1.6 W	Unknown — not stated by the source
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Operating shockKnown for one	350 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	70.1 mm
DepthDiffers	100.5 mm	100.2 mm
HeightDiffers	9.5 mm	14.8 mm
WeightDiffers	110 g	210 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
InternalKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	112 MB/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.

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