Product comparison · 2 internal hard drives

Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk vs Seagate Barracuda ES.2 1000GB 20pk

Key differences

HDD capacity
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:320 GB
- Barracuda ES.2 1000GB 20pk:1 TB
Interface
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:Serial ATA II
- Barracuda ES.2 1000GB 20pk:SAS
Mean time between failures (MTBF)
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:750000 h
- Barracuda ES.2 1000GB 20pk:1200000 h
Height
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:20 mm
- Barracuda ES.2 1000GB 20pk:26.1 mm
Weight
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:380 g
- Barracuda ES.2 1000GB 20pk:530 g

Differences highlightedShow differences only

Comparison of Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk, Barracuda ES.2 1000GB 20pk
25 specifications	A Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk View product	B Seagate Barracuda ES.2 1000GB 20pk View product
Features3 differ
HDD capacityDiffers	320 GB	1 TB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	SAS
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	750000 h	1200000 h
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Poweridentical
Power consumption (standby)Known for one	8 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Start-up currentKnown for one	Unknown — not stated by the source	3 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions2 differ
HeightDiffers	20 mm	26.1 mm
WeightDiffers	380 g	530 g
Other featuresidentical
Sustained data rateKnown for one	115 MB/s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	0.27 dB

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.