Product comparison · 2 internal hard drives

HP BZ724AA internal hard drive vs Seagate Momentus ST9750423AS internal hard drive

9specifications compared
6differ
3identical
19known for one product only

Key differences

HDD capacity
- BZ724AA internal hard drive:250 GB
- Momentus ST9750423AS internal hard drive:750 GB
HDD speed
- BZ724AA internal hard drive:7200 RPM
- Momentus ST9750423AS internal hard drive:5400 RPM
HDD size
- BZ724AA internal hard drive:2.5"
- Momentus ST9750423AS internal hard drive:3.5"
Operating voltage
- BZ724AA internal hard drive:5 V
- Momentus ST9750423AS internal hard drive:5 / 12 V
Operating temperature (T-T)
- BZ724AA internal hard drive:5 - 55 °C
- Momentus ST9750423AS internal hard drive:0 - 60 °C
Width
- BZ724AA internal hard drive:70 mm
- Momentus ST9750423AS internal hard drive:69.8 mm

Side by side

Differences highlightedShow differences only

Comparison of BZ724AA, ST9750423AS
28 specifications	A HP BZ724AA internal hard drive Model BZ724AA View product	B Seagate Momentus ST9750423AS internal hard drive Model ST9750423AS View product
Features3 differ
HDD capacityDiffers	250 GB	750 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
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	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	1.6 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.55 W
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensions1 differ
WidthDiffers	70 mm	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.3 mm
Height	9.5 mm	9.5 mm
WeightKnown for one	Unknown — not stated by the source	115 g
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	5VDC
Data transfer rate	3 Gbit/s	3 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
Operating temperature (T-T)Known for one	41 - 131 °F	Unknown — not stated by the source
Compatible productsKnown for one	ap5000 AiO	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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