Product comparison · 2 external hard drives

ADATA HM900 4TB vs Seagate Portable 4TB

13specifications compared
9differ
4identical
21known for one product only

Key differences

HDD size
- HM900 4TB:3.5"
- Portable 4TB:2.5"
USB connector
- HM900 4TB:USB
- Portable 4TB:Micro-USB B
USB version
- HM900 4TB:3.2 Gen 1 (3.1 Gen 1)
- Portable 4TB:2.0/3.2 Gen 1 (3.1 Gen 1)
LED indicators
- HM900 4TB:Yes
- Portable 4TB:Power
Bus powered
- HM900 4TB:No
- Portable 4TB:USB
Width
- HM900 4TB:121 mm
- Portable 4TB:80 mm
Depth
- HM900 4TB:190 mm
- Portable 4TB:117 mm
Height
- HM900 4TB:36.5 mm
- Portable 4TB:14.8 mm

Side by side

Differences highlightedShow differences only

Comparison of HM900 4TB, Portable 4TB
34 specifications	A ADATA HM900 4TB View product	B Seagate Portable 4TB View product
Hard drive1 differ
HDD sizeDiffers	3.5"	2.5"
Ports & interfaces2 differ
USB connectorDiffers	USB	Micro-USB B
USB versionDiffers	3.2 Gen 1 (3.1 Gen 1)	2.0/3.2 Gen 1 (3.1 Gen 1)
USB data transfer ratesKnown for one	Unknown — not stated by the source	5000 Mbit/s
Thunderbolt technologyKnown for one	Unknown — not stated by the source	No
Wi-FiKnown for one	Unknown — not stated by the source	No
Ethernet LANKnown for one	Unknown — not stated by the source	No
Features1 differ
Housing materialKnown for one	Unknown — not stated by the source	Plastic
LED indicatorsDiffers	Yes	Power
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Bus poweredDiffers	No	USB
Built-in batteryKnown for one	Unknown — not stated by the source	No
Power consumption (typical)Known for one	12 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	121 mm	80 mm
DepthDiffers	190 mm	117 mm
HeightDiffers	36.5 mm	14.8 mm
WeightDiffers	842 g	170 g
Packaging dataidentical
Cables includedKnown for one	Unknown — not stated by the source	USB
Package widthKnown for one	Unknown — not stated by the source	103 mm
Package depthKnown for one	Unknown — not stated by the source	140 mm
Package heightKnown for one	Unknown — not stated by the source	31 mm
Package weightKnown for one	Unknown — not stated by the source	260 g
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050
Securityidentical
Protection featuresKnown for one	Shock resistant, Vibration proof	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	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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