Product comparison · 2 internal hard drives

Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive vs Seagate SV35.3 1 TB SATA 3Gb/s 20pk

9specifications compared
6differ
3identical
16known for one product only

Key differences

The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 1,800 RPM more HDD speed than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (7200 RPM vs 5400 RPM). The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 3 ms more read seek time than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (14 ms vs 11 ms). The Seagate SV35.3 1 TB SATA 3Gb/s 20pk has 2 ms more write seek time than the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive (15 ms vs 13 ms). HDD capacity: 250 GB on the Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive, 1 TB on the Seagate SV35.3 1 TB SATA 3Gb/s 20pk.

HDD capacity
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:250 GB
- SV35.3 1 TB SATA 3Gb/s 20pk:1 TB
HDD speed
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:5400 RPM
- SV35.3 1 TB SATA 3Gb/s 20pk:7200 RPM
Read seek time
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:11 ms
- SV35.3 1 TB SATA 3Gb/s 20pk:14 ms
Write seek time
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:13 ms
- SV35.3 1 TB SATA 3Gb/s 20pk:15 ms
Weight
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:102 g
- SV35.3 1 TB SATA 3Gb/s 20pk:665 g
Data transfer rate
- ThinkPad 250GB 5400rpm Serial ATA Hard drive:1.5 Gbit/s
- SV35.3 1 TB SATA 3Gb/s 20pk:3 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad 250GB 5400rpm Serial ATA Hard drive, SV35.3 1 TB SATA 3Gb/s 20pk
25 specifications	A Lenovo ThinkPad 250GB 5400rpm Serial ATA Hard drive View product	B Seagate SV35.3 1 TB SATA 3Gb/s 20pk View product
Features4 differ
HDD capacityDiffers	250 GB	1 TB
HDD speedDiffers	5400 RPM	7200 RPM
HDD number of headsKnown for one	4	Unknown — not stated by the source
Read seek timeDiffers	11 ms	14 ms
Write seek timeDiffers	13 ms	15 ms
Average latencyKnown for one	5.5 ms	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Component forKnown for one	Unknown — not stated by the source	Surveillance system
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Operational conditionsidentical
Operating shockKnown for one	1000 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	102 g	665 g
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
Other features1 differ
Dimensions (WxDxH)Known for one	69.85 x 100.2 x 9.5 mm	Unknown — not stated by the source
Compatible operating systemsKnown for one	Microsoft Windows 2000 Windows XP Windows Vista	Unknown — not stated by the source
Data transfer rateDiffers	1.5 Gbit/s	3 Gbit/s
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Maximum data transfer rateKnown for one	665 Mbit/s	Unknown — not stated by the source
CertificationKnown for one	CE, UL, MIC, TUV, BSMI, C-Tick, CUL, RoHS	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V

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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