Product comparison · 2 internal hard drives

Samsung HD300LD internal hard drive vs Seagate 400GB 3.5" Ultra ATA/100

16specifications compared
6differ
10identical
23known for one product only

Key differences

The Seagate 400GB 3.5" Ultra ATA/100 has 100 GB more HDD capacity than the Samsung HD300LD internal hard drive (400 GB vs 300 GB). The Seagate 400GB 3.5" Ultra ATA/100 has 8 MB more storage drive buffer size than the Samsung HD300LD internal hard drive (16 MB vs 8 MB). The Samsung HD300LD internal hard drive has 0.01 ms more average latency than the Seagate 400GB 3.5" Ultra ATA/100 (4.17 ms vs 4.16 ms).

HDD capacity
- HD300LD internal hard drive:300 GB
- 400GB 3.5" Ultra ATA/100:400 GB
Storage drive buffer size
- HD300LD internal hard drive:8 MB
- 400GB 3.5" Ultra ATA/100:16 MB
Average latency
- HD300LD internal hard drive:4.17 ms
- 400GB 3.5" Ultra ATA/100:4.16 ms
Depth
- HD300LD internal hard drive:146.1 mm
- 400GB 3.5" Ultra ATA/100:147 mm
Height
- HD300LD internal hard drive:25.4 mm
- 400GB 3.5" Ultra ATA/100:26.1 mm
Weight
- HD300LD internal hard drive:653.17 g
- 400GB 3.5" Ultra ATA/100:710 g

Side by side

Differences highlightedShow differences only

Comparison of HD300LD, 400GB 3.5" Ultra ATA/100
39 specifications	A Samsung HD300LD internal hard drive Model HD300LD View product	B Seagate 400GB 3.5" Ultra ATA/100 View product
Features3 differ
HDD capacityDiffers	300 GB	400 GB
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyDiffers	4.17 ms	4.16 ms
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
TypeKnown for one	Unknown — not stated by the source	HDD
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	16
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Poweridentical
Power consumption (standby)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	8 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.6 W	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditionsidentical
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Weight & dimensions3 differ
DepthDiffers	146.1 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	653.17 g	710 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%,+12V±10%	Unknown — not stated by the source
Drive device, transfer rateKnown for one	133 MB/s	Unknown — not stated by the source
External power adapterKnown for one	No	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	29 dB	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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