Product comparison · 2 internal hard drives

HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug vs Seagate Momentus 7200.3 320GB

11specifications compared
8differ
3identical
29known for one product only

Key differences

The Seagate Momentus 7200.3 320GB has 70 GB more HDD capacity than the HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug (320 GB vs 250 GB). The HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug has 1" more HDD size than the Seagate Momentus 7200.3 320GB (3.5" vs 2.5"). The HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug has 31.8 mm more width than the Seagate Momentus 7200.3 320GB (101.6 mm vs 69.8 mm). Operating voltage: 5 / 12 V on the HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug, 5 V on the Seagate Momentus 7200.3 320GB. Weight: 1.36 kg on the HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug, 110 g on the Seagate Momentus 7200.3 320GB.

HDD capacity
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:250 GB
- Momentus 7200.3 320GB:320 GB
HDD size
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:3.5"
- Momentus 7200.3 320GB:2.5"
Operating voltage
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:5 / 12 V
- Momentus 7200.3 320GB:5 V
Width
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:101.6 mm
- Momentus 7200.3 320GB:69.8 mm
Depth
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:147 mm
- Momentus 7200.3 320GB:100.5 mm
Height
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:26.1 mm
- Momentus 7200.3 320GB:9.5 mm
Weight
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:1.36 kg
- Momentus 7200.3 320GB:110 g
Acoustic pressure emissions
- 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug:32 dB
- Momentus 7200.3 320GB:2.3 dB

Side by side

Differences highlightedShow differences only

Comparison of 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug, Momentus 7200.3 320GB
40 specifications	A HP 250GB, 3G, SATA, 7.2K rpm, LFF (3.5-inch), Non-hot Plug View product	B Seagate Momentus 7200.3 320GB View product
Features2 differ
HDD capacityDiffers	250 GB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	500000 h
Hot-swapKnown for one	No	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.21 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.1 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.1 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Non-operating altitudeKnown for one	9144	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	1.36 kg	110 g
Other features1 differ
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Disks included quantityKnown for one	Unknown — not stated by the source	2 pc(s)
Drive device, transfer rateKnown for one	Unknown — not stated by the source	80 MB/s
InternalKnown for one	Unknown — not stated by the source	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Acoustic pressure emissionsDiffers	32 dB	2.3 dB
UNSPSC-codeKnown for one	43211501	Unknown — not stated by the source
Weight (imperial)Known for one	1.36 kg	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(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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