Product comparison · 2 internal hard drives

Dell H438D internal hard drive vs Origin Storage 320GB SATA 7.2K TP T420S/T430S

8specifications compared
7differ
1identical
23known for one product only

Key differences

HDD capacity
- H438D internal hard drive:400 GB
- 320GB SATA 7.2K TP T420S/T430S:320 GB
HDD speed
- H438D internal hard drive:10000 RPM
- 320GB SATA 7.2K TP T420S/T430S:7200 RPM
HDD size
- H438D internal hard drive:3.5"
- 320GB SATA 7.2K TP T420S/T430S:2.5"
Interface
- H438D internal hard drive:SAS
- 320GB SATA 7.2K TP T420S/T430S:Serial ATA III
Component for
- H438D internal hard drive:Disk array
- 320GB SATA 7.2K TP T420S/T430S:Laptop
HDD interface transfer rate
- H438D internal hard drive:3 Gbit/s
- 320GB SATA 7.2K TP T420S/T430S:6 Gbit/s
Operating voltage
- H438D internal hard drive:5 / 12 V
- 320GB SATA 7.2K TP T420S/T430S:5 V

Side by side

Differences highlightedShow differences only

Comparison of H438D, IBM-320S/7-NB19
31 specifications	A Dell H438D internal hard drive Model H438D View product	B Origin Storage 320GB SATA 7.2K TP T420S/T430S Model IBM-320S/7-NB19 View product
Features6 differ
HDD capacityDiffers	400 GB	320 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component forDiffers	Disk array	Laptop
Hot-swapKnown for one	Unknown — not stated by the source	No
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
HDD interface transfer rateDiffers	3 Gbit/s	6 Gbit/s
Read seek timeKnown for one	Unknown — not stated by the source	13 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1 ms
Average seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	4.2 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	No
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	11.86 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Packaging contentidentical
Storage drive adapter includedKnown for one	Unknown — not stated by the source	No
Storage drive caddy includedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightKnown for one	Unknown — not stated by the source	180 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Compatible productsKnown for one	Unknown — not stated by the source	Lenovo ThinkPad T420s/T430s

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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