Product comparison · 2 internal hard drives

Dell 400-ALQD internal hard drive vs Seagate Constellation ST9250610NS-RFB internal hard drive

8specifications compared
4differ
4identical
26known for one product only

Key differences

HDD capacity
- 400-ALQD internal hard drive:4 TB
- Constellation ST9250610NS-RFB internal hard drive:250 GB
HDD size
- 400-ALQD internal hard drive:3.5"
- Constellation ST9250610NS-RFB internal hard drive:2.5"
Interface
- 400-ALQD internal hard drive:NL-SATA
- Constellation ST9250610NS-RFB internal hard drive:Serial ATA III
Operating voltage
- 400-ALQD internal hard drive:5 / 12 V
- Constellation ST9250610NS-RFB internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of 400-ALQD, ST9250610NS-RFB
34 specifications	A Dell 400-ALQD internal hard drive Model 400-ALQD View product	B Seagate Constellation ST9250610NS-RFB internal hard drive Model ST9250610NS-RFB View product
Features3 differ
HDD capacityDiffers	4 TB	250 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	NL-SATA	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 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
Bytes per sector	512	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	4.35 W
Power consumption (idle)Known for one	Unknown — not stated by the source	2.52 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Storage drive adapter includedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	179 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	DELL PowerEdge R230, R330, R430, T130, T430	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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