Product comparison · 2 internal hard drives

Lenovo 250GB Hot-Swap SATAII HDD vs Samsung 250GB SATA

6specifications compared
5differ
1identical
28known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 1,800 RPM more HDD speed than the Samsung 250GB SATA (7200 RPM vs 5400 RPM). The Lenovo 250GB Hot-Swap SATAII HDD has 1" more HDD size than the Samsung 250GB SATA (3.5" vs 2.5"). The Samsung 250GB SATA has 3 ms more average seek time than the Lenovo 250GB Hot-Swap SATAII HDD (12 ms vs 9 ms). Interface: Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD, Serial ATA on the Samsung 250GB SATA. Operating voltage: 5 / 12 V on the Lenovo 250GB Hot-Swap SATAII HDD, 5 V on the Samsung 250GB SATA.

HDD speed
- 250GB Hot-Swap SATAII HDD:7200 RPM
- 250GB SATA:5400 RPM
HDD size
- 250GB Hot-Swap SATAII HDD:3.5"
- 250GB SATA:2.5"
Interface
- 250GB Hot-Swap SATAII HDD:Ultra320 SCSI
- 250GB SATA:Serial ATA
Average seek time
- 250GB Hot-Swap SATAII HDD:9 ms
- 250GB SATA:12 ms
Operating voltage
- 250GB Hot-Swap SATAII HDD:5 / 12 V
- 250GB SATA:5 V

Side by side

Differences highlightedShow differences only

Comparison of 250GB Hot-Swap SATAII HDD, 250GB SATA
34 specifications	A Lenovo 250GB Hot-Swap SATAII HDD View product	B Samsung 250GB SATA View product
Features4 differ
HDD capacity	250 GB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Average seek timeDiffers	9 ms	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Average latencyKnown for one	4.2 ms	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (read)Known for one	Unknown — not stated by the source	2 W
Power consumption (write)Known for one	Unknown — not stated by the source	2 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.7 G
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 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 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	102 g
Other featuresidentical
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Drive ready timeKnown for one	Unknown — not stated by the source	4 s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	826 Mbit/s
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
InternalKnown for one	Yes	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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