Product comparison · 2 internal hard drives

HP 512547R-B21 internal hard drive vs Origin Storage 500GB Enigma SED Encrypted Universal

Key differences

HDD capacity
- 512547R-B21 internal hard drive:146 GB
- 500GB Enigma SED Encrypted Universal:500 GB
HDD speed
- 512547R-B21 internal hard drive:15000 RPM
- 500GB Enigma SED Encrypted Universal:5400 RPM
Interface
- 512547R-B21 internal hard drive:SAS
- 500GB Enigma SED Encrypted Universal:Serial ATA

Differences highlightedShow differences only

Comparison of 512547R-B21, 500GB Enigma SED Encrypted Universal
24 specifications	A HP 512547R-B21 internal hard drive Model 512547R-B21 View product	B Origin Storage 500GB Enigma SED Encrypted Universal 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
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1.5 ms
Average latencyKnown for one	Unknown — not stated by the source	5.56 ms
Poweridentical
Operating voltage	5 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 - 65 °C
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	256 Bit AES
Ethernet LAN	No	No
Product colourKnown for one	Unknown — not stated by the source	Multicolour
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP, Vista, 7
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Fibre Channel	No	No
FireWire 400	No	No
FireWire 800	No	No
Internal	Yes	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
USB powered	No	No

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.