Product comparison · 2 external hard drives

HP EY904AA external hard drive vs HP H4K64AA external hard drive

11specifications compared
10differ
1identical
17known for one product only

Key differences

HDD capacity
- EY904AA external hard drive:160 GB
- H4K64AA external hard drive:1 TB
Maximum data transfer rate
- EY904AA external hard drive:480 Mbit/s
- H4K64AA external hard drive:5000 Mbit/s
Product colour
- EY904AA external hard drive:Grey
- H4K64AA external hard drive:Black
Bus powered
- EY904AA external hard drive:No
- H4K64AA external hard drive:USB
External power adapter
- EY904AA external hard drive:Yes
- H4K64AA external hard drive:No
Operating temperature (T-T)
- EY904AA external hard drive:5 - 35 °C
- H4K64AA external hard drive:5 - 40 °C
Storage temperature (T-T)
- EY904AA external hard drive:-30 - 70 °C
- H4K64AA external hard drive:-20 - 65 °C
Width
- EY904AA external hard drive:34 mm
- H4K64AA external hard drive:82 mm

Side by side

Differences highlightedShow differences only

Comparison of EY904AA, H4K64AA
28 specifications	A HP EY904AA external hard drive Model EY904AA View product	B HP H4K64AA external hard drive Model H4K64AA View product
Hard drive1 differ
HDD capacityDiffers	160 GB	1 TB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
File format systemKnown for one	Unknown — not stated by the source	NTFS
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Ports & interfaces1 differ
Maximum data transfer rateDiffers	480 Mbit/s	5000 Mbit/s
USB connectorKnown for one	Unknown — not stated by the source	Micro-USB B
USB versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
USB data transfer ratesKnown for one	Unknown — not stated by the source	5000 Mbit/s
Features1 differ
Product colourDiffers	Grey	Black
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Power2 differ
Bus poweredDiffers	No	USB
External power adapterDiffers	Yes	No
AC adapter input voltageKnown for one	100-240 V	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 35 °C	5 - 40 °C
Storage temperature (T-T)Differs	-30 - 70 °C	-20 - 65 °C
Weight & dimensions3 differ
WidthDiffers	34 mm	82 mm
DepthDiffers	213 mm	111 mm
HeightDiffers	119 mm	19 mm
WeightKnown for one	Unknown — not stated by the source	190 g
Packaging dataidentical
User guideKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	1
USB requiredKnown for one	Unknown — not stated by the source	Yes
DC-in jackKnown for one	Yes	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	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.

More external hard drive comparisons

All external hard drive comparisons