Product comparison · 2 internal hard drives

Dell 250GB SATA 3.5" vs Seagate Constellation ST3500415SS internal hard drive

7specifications compared
3differ
4identical
19known for one product only

Key differences

HDD capacity
- 250GB SATA 3.5":250 GB
- Constellation ST3500415SS internal hard drive:500 GB
Interface
- 250GB SATA 3.5":Serial ATA
- Constellation ST3500415SS internal hard drive:Serial ATA II
Drive device, transfer rate
- 250GB SATA 3.5":150 MB/s
- Constellation ST3500415SS internal hard drive:600 MB/s

Side by side

Differences highlightedShow differences only

Comparison of 250GB SATA 3.5", ST3500415SS
26 specifications	A Dell 250GB SATA 3.5"View product	B Seagate Constellation ST3500415SS internal hard drive Model ST3500415SS View product
Features2 differ
HDD capacityDiffers	250 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
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
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Poweridentical
Power consumption (typical)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	5 - 60 °C
Operating shockKnown for one	Unknown — not stated by the source	70 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	26.1 mm
WeightKnown for one	Unknown — not stated by the source	610 g
Other features1 differ
Drive device, transfer rateDiffers	150 MB/s	600 MB/s
Internal	Yes	Yes
Ethernet LANKnown for one	No	Unknown — not stated by the source
Fibre ChannelKnown for one	No	Unknown — not stated by the source
FireWire 400Known for one	No	Unknown — not stated by the source
FireWire 800Known for one	No	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
USB poweredKnown for one	No	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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