Product comparison · 2 internal hard drives

Seagate 3.5" 320 GB SATA vs Seagate Barracuda 7200.11 1TB

12specifications compared
6differ
6identical
10known for one product only

Key differences

The Seagate Barracuda 7200.11 1TB has 16 MB more storage drive buffer size than the Seagate 3.5" 320 GB SATA (32 MB vs 16 MB). The Seagate 3.5" 320 GB SATA has 0.6 mm more width than the Seagate Barracuda 7200.11 1TB (101.6 mm vs 101 mm). The Seagate 3.5" 320 GB SATA has 1 mm more depth than the Seagate Barracuda 7200.11 1TB (147 mm vs 146 mm). HDD capacity: 320 GB on the Seagate 3.5" 320 GB SATA, 1 TB on the Seagate Barracuda 7200.11 1TB.

HDD capacity
- 3.5" 320 GB SATA:320 GB
- Barracuda 7200.11 1TB:1 TB
Storage drive buffer size
- 3.5" 320 GB SATA:16 MB
- Barracuda 7200.11 1TB:32 MB
Width
- 3.5" 320 GB SATA:101.6 mm
- Barracuda 7200.11 1TB:101 mm
Depth
- 3.5" 320 GB SATA:147 mm
- Barracuda 7200.11 1TB:146 mm
Height
- 3.5" 320 GB SATA:26.1 mm
- Barracuda 7200.11 1TB:26 mm
Weight
- 3.5" 320 GB SATA:635 g
- Barracuda 7200.11 1TB:640 g

Side by side

Differences highlightedShow differences only

Comparison of 3.5" 320 GB SATA, Barracuda 7200.11 1TB
22 specifications	A Seagate 3.5" 320 GB SATA View product	B Seagate Barracuda 7200.11 1TB View product
Features2 differ
HDD capacityDiffers	320 GB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	16 MB	32 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Average latency	4.16 ms	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Mean time between failures (MTBF)Known for one	700000 h	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	8 W
Operating voltage	5 / 12 V	5 / 12 V
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	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	101 mm
DepthDiffers	147 mm	146 mm
HeightDiffers	26.1 mm	26 mm
WeightDiffers	635 g	640 g
Other featuresidentical
Internal	Yes	Yes
Data transfer rateKnown for one	3 Gbit/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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