Product comparison · 2 internal hard drives

Seagate ES ST31000426SS vs Seagate Desktop HDD ST2000DL003 internal hard drive

Key differences

HDD capacity
- ES ST31000426SS:1 TB
- Desktop HDD ST2000DL003 internal hard drive:2 TB
HDD speed
- ES ST31000426SS:7200 RPM
- Desktop HDD ST2000DL003 internal hard drive:5900 RPM
Interface
- ES ST31000426SS:SAS
- Desktop HDD ST2000DL003 internal hard drive:Serial ATA
Storage drive buffer size
- ES ST31000426SS:16 MB
- Desktop HDD ST2000DL003 internal hard drive:64 MB
Read seek time
- ES ST31000426SS:8.5 ms
- Desktop HDD ST2000DL003 internal hard drive:12 ms
Write seek time
- ES ST31000426SS:9.5 ms
- Desktop HDD ST2000DL003 internal hard drive:13 ms
Power consumption (standby)
- ES ST31000426SS:5.41 W
- Desktop HDD ST2000DL003 internal hard drive:5.8 W
Start-up current
- ES ST31000426SS:1.89 A
- Desktop HDD ST2000DL003 internal hard drive:2 A

Differences highlightedShow differences only

Comparison of ES ST31000426SS, ST2000DL003
28 specifications	A Seagate ES ST31000426SS View product	B Seagate Desktop HDD ST2000DL003 internal hard drive Model ST2000DL003 View product
Features6 differ
HDD capacityDiffers	1 TB	2 TB
HDD speedDiffers	7200 RPM	5900 RPM
InterfaceDiffers	SAS	Serial ATA
Storage drive buffer sizeDiffers	16 MB	64 MB
Read seek timeDiffers	8.5 ms	12 ms
Write seek timeDiffers	9.5 ms	13 ms
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	5.41 W	5.8 W
Power consumption (idle)Known for one	Unknown — not stated by the source	4.5 W
Start-up currentDiffers	1.89 A	2 A
Power consumption (typical)Known for one	8.04 W	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Weight & dimensions3 differ
WidthDiffers	101.8 mm	101 mm
DepthDiffers	147 mm	146 mm
WeightDiffers	640 g	622 g
Other features1 differ
Product colourKnown for one	Unknown — not stated by the source	Black
Drive device, transfer rateKnown for one	Unknown — not stated by the source	600 MB/s
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Sustained data rateDiffers	150 MB/s	144 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.