Product comparison · 2 internal hard drives

Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD vs Samsung 250GB SATA

7specifications compared
6differ
1identical
25known for one product only

Key differences

The Samsung 250GB SATA has 176.6 GB more HDD capacity than the Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD (250 GB vs 73.4 GB). The Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD has 9,600 RPM more HDD speed than the Samsung 250GB SATA (15000 RPM vs 5400 RPM). The Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD has 1" more HDD size than the Samsung 250GB SATA (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD, Serial ATA on the Samsung 250GB SATA. Operating voltage: 5 / 12 V on the Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD, 5 V on the Samsung 250GB SATA.

HDD capacity
- 73.4GB Hot-Swap Ultra 320 SAS HDD:73.4 GB
- 250GB SATA:250 GB
HDD speed
- 73.4GB Hot-Swap Ultra 320 SAS HDD:15000 RPM
- 250GB SATA:5400 RPM
HDD size
- 73.4GB Hot-Swap Ultra 320 SAS HDD:3.5"
- 250GB SATA:2.5"
Interface
- 73.4GB Hot-Swap Ultra 320 SAS HDD:Ultra320 SCSI
- 250GB SATA:Serial ATA
Average seek time
- 73.4GB Hot-Swap Ultra 320 SAS HDD:3.5 ms
- 250GB SATA:12 ms
Operating voltage
- 73.4GB Hot-Swap Ultra 320 SAS HDD:5 / 12 V
- 250GB SATA:5 V

Side by side

Differences highlightedShow differences only

Comparison of 73.4GB Hot-Swap Ultra 320 SAS HDD, 250GB SATA
32 specifications	A Lenovo 73.4GB Hot-Swap Ultra 320 SAS HDD View product	B Samsung 250GB SATA View product
Features5 differ
HDD capacityDiffers	73.4 GB	250 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra320 SCSI	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
HDD interface transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Average seek timeDiffers	3.5 ms	12 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Average latencyKnown for one	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
InternalKnown for one	Yes	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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