Product comparison · 2 internal hard drives

Seagate 1500GB 3.5" SATA II vs Seagate Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive

Key differences

HDD capacity
- 1500GB 3.5" SATA II:1.5 TB
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:160 GB
Interface
- 1500GB 3.5" SATA II:Serial ATA II
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:Serial ATA
Storage drive buffer size
- 1500GB 3.5" SATA II:32 MB
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:8 MB
Read seek time
- 1500GB 3.5" SATA II:8.5 ms
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:11 ms
Write seek time
- 1500GB 3.5" SATA II:10 ms
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:12 ms
Operating temperature (T-T)
- 1500GB 3.5" SATA II:5 - 55 °C
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:0 - 60 °C
Height
- 1500GB 3.5" SATA II:26.1 mm
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:20.2 mm
Weight
- 1500GB 3.5" SATA II:640 g
- Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive:390 g

Differences highlightedShow differences only

Comparison of 1500GB 3.5" SATA II, Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive
23 specifications	A Seagate 1500GB 3.5" SATA II View product	B Seagate Barracuda 7200.11 SATA 3Gb/s 160-GB Hard Drive View product
Features5 differ
HDD capacityDiffers	1.5 TB	160 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Type	HDD	HDD
Storage drive buffer sizeDiffers	32 MB	8 MB
Read seek timeDiffers	8.5 ms	11 ms
Write seek timeDiffers	10 ms	12 ms
Average latency	4.16 ms	4.16 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	750000 h	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	Unknown — not stated by the source	65 G
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	20.2 mm
WeightDiffers	640 g	390 g
Other featuresidentical
Sustained data rateKnown for one	120 MB/s	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes

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.