Product comparison · 2 internal hard drives

Samsung Spinpoint M6 HM400LI vs Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk

Key differences

HDD capacity
- Spinpoint M6 HM400LI:400 GB
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:320 GB
HDD speed
- Spinpoint M6 HM400LI:5400 RPM
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:7200 RPM
HDD size
- Spinpoint M6 HM400LI:2.5"
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:3.5"
Storage drive buffer size
- Spinpoint M6 HM400LI:8 MB
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:16 MB
Average latency
- Spinpoint M6 HM400LI:12 ms
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:4.16 ms
Mean time between failures (MTBF)
- Spinpoint M6 HM400LI:330000 h
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:750000 h
Operating voltage
- Spinpoint M6 HM400LI:5 V
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk:5 / 12 V

Differences highlightedShow differences only

Comparison of Spinpoint M6 HM400LI, Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk
23 specifications	A Samsung Spinpoint M6 HM400LI View product	B Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 25pk View product
Features6 differ
HDD capacityDiffers	400 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	8 MB	16 MB
Average latencyDiffers	12 ms	4.16 ms
Bytes per sector	512	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Mean time between failures (MTBF)Differs	330000 h	750000 h
HDD number of headsKnown for one	4	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	8 W
Operating voltageDiffers	5 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	350 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	20 mm
WeightKnown for one	Unknown — not stated by the source	380 g
Other featuresidentical
Internal	Yes	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	115 MB/s
HDD transfer rateKnown for one	495 Mbit/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.