Product comparison · 2 internal hard drives

Lenovo 250GB Hot-Swap SATAII HDD vs Lenovo ThinkPad FDE Serial ATA Hard Drive

6specifications compared
3differ
3identical
11known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 1" more HDD size than the Lenovo ThinkPad FDE Serial ATA Hard Drive (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD, Serial ATA on the Lenovo ThinkPad FDE Serial ATA Hard Drive. Operating voltage: 5 / 12 V on the Lenovo 250GB Hot-Swap SATAII HDD, 5 V on the Lenovo ThinkPad FDE Serial ATA Hard Drive.

HDD size
- 250GB Hot-Swap SATAII HDD:3.5"
- ThinkPad FDE Serial ATA Hard Drive:2.5"
Interface
- 250GB Hot-Swap SATAII HDD:Ultra320 SCSI
- ThinkPad FDE Serial ATA Hard Drive:Serial ATA
Operating voltage
- 250GB Hot-Swap SATAII HDD:5 / 12 V
- ThinkPad FDE Serial ATA Hard Drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 250GB Hot-Swap SATAII HDD, ThinkPad FDE Serial ATA Hard Drive
17 specifications	A Lenovo 250GB Hot-Swap SATAII HDD View product	B Lenovo ThinkPad FDE Serial ATA Hard Drive View product
Features2 differ
HDD capacity	250 GB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
HDD number of headsKnown for one	Unknown — not stated by the source	4
Average seek timeKnown for one	9 ms	Unknown — not stated by the source
Average latencyKnown for one	4.2 ms	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
Other featuresidentical
Internal	Yes	Yes
CertificationKnown for one	Unknown — not stated by the source	BSMI, C-Tick, CE, CSA, TUV, UL
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Sustained data rateKnown for one	29.6 MB/s	Unknown — not stated by the source

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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