Product comparison · 2 internal hard drives

Seagate Barracuda 320GB vs Seagate Momentus ST320LT023 internal hard drive

14specifications compared
10differ
4identical
23known for one product only

Key differences

Interface
- Barracuda 320GB:Serial ATA II
- Momentus ST320LT023 internal hard drive:Serial ATA
Storage drive buffer size
- Barracuda 320GB:8 MB
- Momentus ST320LT023 internal hard drive:16 MB
Average latency
- Barracuda 320GB:4.16 ms
- Momentus ST320LT023 internal hard drive:4.17 ms
Operating temperature (T-T)
- Barracuda 320GB:5 - 55 °C
- Momentus ST320LT023 internal hard drive:0 - 60 °C
Operating shock
- Barracuda 320GB:63 G
- Momentus ST320LT023 internal hard drive:350 G
Non-operating shock
- Barracuda 320GB:350 G
- Momentus ST320LT023 internal hard drive:1000 G
Width
- Barracuda 320GB:101.6 mm
- Momentus ST320LT023 internal hard drive:70.1 mm
Depth
- Barracuda 320GB:147 mm
- Momentus ST320LT023 internal hard drive:100.5 mm

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 320GB, ST320LT023
37 specifications	A Seagate Barracuda 320GB View product	B Seagate Momentus ST320LT023 internal hard drive Model ST320LT023 View product
Features3 differ
HDD capacity	320 GB	320 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
HDD number of headsKnown for one	4	Unknown — not stated by the source
Read seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Write seek timeKnown for one	1 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	4.17 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Component forKnown for one	Unknown — not stated by the source	Laptop
Poweridentical
Operating voltage	5 V	5 V
Start-up currentKnown for one	2.8 A	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	1.3 W
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	5–22Hz: 0.25Gs, 22–350Hz: 0.50Gs, 350–500Hz: 0.25Gs	Unknown — not stated by the source
Non-operating vibrationKnown for one	5–22Hz: 0.25Gs, 22–350Hz: 5.0Gs, 350–500Hz: 1.0Gs	Unknown — not stated by the source
Operating altitudeKnown for one	-60.96 - 3.048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12.192 m	Unknown — not stated by the source
Operating shockDiffers	63 G	350 G
Non-operating shockDiffers	350 G	1000 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	635 g	92 g
Other featuresidentical
InternalKnown for one	Yes	Unknown — not stated by the source
Maximum data transfer rateKnown for one	1030 Mbit/s	Unknown — not stated by the source
Recording densityKnown for one	781 kbit/inch	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Sustained data rateKnown for one	72 MB/s	Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	0-4	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	0-6	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s

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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