Product comparison · 2 internal hard drives

Seagate 1TB SATA, 7200rpm vs Seagate Savvio 300GB SAS

Key differences

HDD capacity
- 1TB SATA, 7200rpm:1 TB
- Savvio 300GB SAS:300 GB
HDD speed
- 1TB SATA, 7200rpm:7200 RPM
- Savvio 300GB SAS:15000 RPM
HDD size
- 1TB SATA, 7200rpm:3.5"
- Savvio 300GB SAS:2.5"
Interface
- 1TB SATA, 7200rpm:Serial ATA
- Savvio 300GB SAS:SAS
Read seek time
- 1TB SATA, 7200rpm:8.5 ms
- Savvio 300GB SAS:2.7 ms
Write seek time
- 1TB SATA, 7200rpm:9.5 ms
- Savvio 300GB SAS:3.1 ms
Average latency
- 1TB SATA, 7200rpm:4.16 ms
- Savvio 300GB SAS:2 ms
Mean time between failures (MTBF)
- 1TB SATA, 7200rpm:1200000 h
- Savvio 300GB SAS:2000000 h

Differences highlightedShow differences only

Comparison of 1TB SATA, 7200rpm, Savvio 300GB SAS
31 specifications	A Seagate 1TB SATA, 7200rpm View product	B Seagate Savvio 300GB SAS View product
Features8 differ
HDD capacityDiffers	1 TB	300 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Storage drive buffer size	64 MB	64 MB
Read seek timeDiffers	8.5 ms	2.7 ms
Write seek timeDiffers	9.5 ms	3.1 ms
Average latencyDiffers	4.16 ms	2 ms
Mean time between failures (MTBF)Differs	1200000 h	2000000 h
Component forKnown for one	Unknown — not stated by the source	Server/workstation
HDD number of headsKnown for one	Unknown — not stated by the source	4
Power4 differ
Power consumption (typical)Differs	6.40 W	7.92 W
Power consumption (idle)Differs	4.42 W	4.25 W
Power consumption (read)Known for one	7.42 W	Unknown — not stated by the source
Power consumption (write)Known for one	6.21 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	1.88 A	1.04 A
Operational conditions5 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationDiffers	0.25 Gs	0.5 Gs
Non-operating vibrationDiffers	4.9 Gs	2.4 Gs
Operating shockDiffers	70 G	60 G
Non-operating shockDiffers	350 G	300 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	610 g	200 g
Other features2 differ
Data transfer rate	6 Gbit/s	6 Gbit/s
Internal	Yes	Yes
Sustained data rateDiffers	150 MB/s	202 MB/s
Acoustic pressure emissionsDiffers	2.7 dB	3.35 dB

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.