Product comparison · 2 internal hard drives

Lenovo 146GB Hot Swap SAS HDD vs Samsung 250GB SATA

7specifications compared
6differ
1identical
27known for one product only

Key differences

The Samsung 250GB SATA has 104 GB more HDD capacity than the Lenovo 146GB Hot Swap SAS HDD (250 GB vs 146 GB). The Lenovo 146GB Hot Swap SAS HDD has 9,600 RPM more HDD speed than the Samsung 250GB SATA (15000 RPM vs 5400 RPM). The Lenovo 146GB Hot Swap SAS HDD has 1" more HDD size than the Samsung 250GB SATA (3.5" vs 2.5"). Interface: SAS on the Lenovo 146GB Hot Swap SAS HDD, Serial ATA on the Samsung 250GB SATA. Operating voltage: 5 / 12 V on the Lenovo 146GB Hot Swap SAS HDD, 5 V on the Samsung 250GB SATA.

HDD capacity
- 146GB Hot Swap SAS HDD:146 GB
- 250GB SATA:250 GB
HDD speed
- 146GB Hot Swap SAS HDD:15000 RPM
- 250GB SATA:5400 RPM
HDD size
- 146GB Hot Swap SAS HDD:3.5"
- 250GB SATA:2.5"
Interface
- 146GB Hot Swap SAS HDD:SAS
- 250GB SATA:Serial ATA
Average seek time
- 146GB Hot Swap SAS HDD:4 ms
- 250GB SATA:12 ms
Operating voltage
- 146GB Hot Swap SAS HDD:5 / 12 V
- 250GB SATA:5 V

Side by side

Differences highlightedShow differences only

Comparison of 146GB Hot Swap SAS HDD, 250GB SATA
34 specifications	A Lenovo 146GB Hot Swap SAS HDD View product	B Samsung 250GB SATA View product
Features5 differ
HDD capacityDiffers	146 GB	250 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer size	8 MB	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Average seek timeDiffers	4 ms	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Access timeKnown for one	6 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
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.

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