Product comparison · 2 internal hard drives

Lenovo 146GB Hot Swap SAS HDD vs Lenovo ThinkPad FDE Serial ATA Hard Drive

Key differences

HDD capacity
- 146GB Hot Swap SAS HDD:146 GB
- ThinkPad FDE Serial ATA Hard Drive:250 GB
HDD speed
- 146GB Hot Swap SAS HDD:15000 RPM
- ThinkPad FDE Serial ATA Hard Drive:7200 RPM
HDD size
- 146GB Hot Swap SAS HDD:3.5"
- ThinkPad FDE Serial ATA Hard Drive:2.5"
Interface
- 146GB Hot Swap SAS HDD:SAS
- ThinkPad FDE Serial ATA Hard Drive:Serial ATA
Operating voltage
- 146GB Hot Swap SAS HDD:5 / 12 V
- ThinkPad FDE Serial ATA Hard Drive:5 V

Differences highlightedShow differences only

Comparison of 146GB Hot Swap SAS HDD, ThinkPad FDE Serial ATA Hard Drive
18 specifications	A Lenovo 146GB Hot Swap SAS HDD View product	B Lenovo ThinkPad FDE Serial ATA Hard Drive View product
Features4 differ
HDD capacityDiffers	146 GB	250 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
HDD number of headsKnown for one	Unknown — not stated by the source	4
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Access timeKnown for one	6 ms	Unknown — not stated by the source
Average seek timeKnown for one	4 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
Compatible productsKnown for one	xSeries 260, 206m, 306m, System x3800	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.