Product comparison · 2 internal hard drives

Seagate 2TB SATA, 7200rpm vs Seagate Savvio 146GB SAS

Key differences

HDD capacity
- 2TB SATA, 7200rpm:2 TB
- Savvio 146GB SAS:146 GB
HDD speed
- 2TB SATA, 7200rpm:7200 RPM
- Savvio 146GB SAS:15000 RPM
HDD size
- 2TB SATA, 7200rpm:3.5"
- Savvio 146GB SAS:2.5"
Interface
- 2TB SATA, 7200rpm:Serial ATA
- Savvio 146GB SAS:SAS
Read seek time
- 2TB SATA, 7200rpm:8.5 ms
- Savvio 146GB SAS:2.7 ms
Write seek time
- 2TB SATA, 7200rpm:9.5 ms
- Savvio 146GB SAS:3.1 ms
Average latency
- 2TB SATA, 7200rpm:4.16 ms
- Savvio 146GB SAS:2 ms
Mean time between failures (MTBF)
- 2TB SATA, 7200rpm:1200000 h
- Savvio 146GB SAS:2000000 h

Differences highlightedShow differences only

Comparison of 2TB SATA, 7200rpm, Savvio 146GB SAS
31 specifications	A Seagate 2TB SATA, 7200rpm View product	B Seagate Savvio 146GB SAS View product
Features8 differ
HDD capacityDiffers	2 TB	146 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	2
Power4 differ
Power consumption (typical)Differs	8.94 W	7.41 W
Power consumption (idle)Differs	6.54 W	3.86 W
Power consumption (read)Known for one	9.03 W	Unknown — not stated by the source
Power consumption (write)Known for one	7.80 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2.10 A	0.86 A
Operational conditions4 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 shock	300 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	710 g	193 g
Other features2 differ
Data transfer rate	6 Gbit/s	6 Gbit/s
Internal	Yes	Yes
Sustained data rateDiffers	140 MB/s	202 MB/s
Acoustic pressure emissionsDiffers	3 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.