Product comparison · 2 internal hard drives

HP 512547R-B21 internal hard drive vs Origin Storage 500GB SATA 5400RPM Optical Bay Notebook Drive

7specifications compared
3differ
4identical
34known for one product only

Key differences

HDD capacity
- 512547R-B21 internal hard drive:146 GB
- 500GB SATA 5400RPM Optical Bay Notebook Drive:500 GB
HDD speed
- 512547R-B21 internal hard drive:15000 RPM
- 500GB SATA 5400RPM Optical Bay Notebook Drive:5400 RPM
Interface
- 512547R-B21 internal hard drive:SAS
- 500GB SATA 5400RPM Optical Bay Notebook Drive:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 512547R-B21, 500GB SATA 5400RPM Optical Bay Notebook Drive
41 specifications	A HP 512547R-B21 internal hard drive Model 512547R-B21 View product	B Origin Storage 500GB SATA 5400RPM Optical Bay Notebook Drive View product
Features3 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
HDD number of cylindersKnown for one	Unknown — not stated by the source	231312
HDD number of headsKnown for one	Unknown — not stated by the source	2
Access timeKnown for one	Unknown — not stated by the source	5.56 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	2 ms
Average latencyKnown for one	Unknown — not stated by the source	5.56 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	No
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.18 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.55 W
Power consumption (read)Known for one	Unknown — not stated by the source	1.5 W
Power consumption (write)Known for one	Unknown — not stated by the source	1.5 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	4.5 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Operating vibrationKnown for one	Unknown — not stated by the source	1 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Operating shockKnown for one	Unknown — not stated by the source	225 G
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
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	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightKnown for one	Unknown — not stated by the source	92 g
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Internal	Yes	Yes
USB powered	No	No
Compatible productsKnown for one	Unknown — not stated by the source	Dell Latitude E5400, E5410, E5500, E5510, IBM/Lenovo IdeaPad Y550 Series
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

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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