Product comparison · 2 internal hard drives

Seagate 1TB SATA 30 Pack vs Seagate 250GB 30 Pack

Key differences

HDD capacity
- 1TB SATA 30 Pack:1 TB
- 250GB 30 Pack:250 GB
Power consumption (typical)
- 1TB SATA 30 Pack:5.43 W
- 250GB 30 Pack:4.61 W
Power consumption (idle)
- 1TB SATA 30 Pack:3.31 W
- 250GB 30 Pack:2.52 W
Weight
- 1TB SATA 30 Pack:200 g
- 250GB 30 Pack:179 g
Security algorithms
- 1TB SATA 30 Pack:256-bit AES, FIPS 140-2
- 250GB 30 Pack:256-bit AES

Differences highlightedShow differences only

Comparison of 1TB SATA 30 Pack, 250GB 30 Pack
28 specifications	A Seagate 1TB SATA 30 Pack View product	B Seagate 250GB 30 Pack View product
Features1 differ
HDD capacityDiffers	1 TB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Average latency	4.16 ms	4.16 ms
Bytes per sector	512	512
Mean time between failures (MTBF)	1400000 h	1400000 h
Power2 differ
Power consumption (typical)Differs	5.43 W	4.61 W
Power consumption (idle)Differs	3.31 W	2.52 W
Power consumption (read)Known for one	5.21 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Power consumption (write)Known for one	Unknown — not stated by the source	4.35 W
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating shock	70 G	70 G
Non-operating shock	400 G	400 G
Weight & dimensions1 differ
Width	70.1 mm	70.1 mm
Depth	100.5 mm	100.5 mm
Height	15 mm	15 mm
WeightDiffers	200 g	179 g
Packaging dataidentical
Quantity per pack	30 pc(s)	30 pc(s)
Other features1 differ
Data transfer rate	6 Gbit/s	6 Gbit/s
Security algorithmsDiffers	256-bit AES, FIPS 140-2	256-bit AES

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.