Product comparison · 2 internal hard drives

Seagate 250GB 3.5 vs Seagate 2TB SATA HDD

16specifications compared
9differ
7identical
20known for one product only

Key differences

HDD capacity
- 250GB 3.5:250.2 GB
- 2TB SATA HDD:2 TB
Interface
- 250GB 3.5:Serial ATA II
- 2TB SATA HDD:Serial ATA III
Storage drive buffer size
- 250GB 3.5:16 MB
- 2TB SATA HDD:64 MB
HDD number of heads
- 250GB 3.5:3
- 2TB SATA HDD:6
Bytes per sector
- 250GB 3.5:512
- 2TB SATA HDD:4096
Start-up current
- 250GB 3.5:2.8 A
- 2TB SATA HDD:2.5 A
Width
- 250GB 3.5:101.6 mm
- 2TB SATA HDD:101 mm
Height
- 250GB 3.5:26.1 mm
- 2TB SATA HDD:26 mm

Side by side

Differences highlightedShow differences only

Comparison of 250GB 3.5, 2TB SATA HDD
36 specifications	A Seagate 250GB 3.5 View product	B Seagate 2TB SATA HDD View product
Features5 differ
HDD capacityDiffers	250.2 GB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	64 MB
HDD number of headsDiffers	3	6
Read seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	10 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sectorDiffers	512	4096
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentDiffers	2.8 A	2.5 A
Power consumption (typical)Known for one	Unknown — not stated by the source	8 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (idle)Known for one	Unknown — not stated by the source	5.8 W
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °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	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	101.6 mm	101 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	26 mm
WeightDiffers	580 g	626 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	PCs	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes

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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