Product comparison · 2 external hard drives

ADATA 1TB CH94 vs ADATA CH11 Portable USB 3.0 1TB

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  • 16specifications compared
  • 8differ
  • 8identical
  • 13known for one product only

Key differences

  • Maximum data transfer rate
    • 1TB CH94:480 Mbit/s
    • CH11 Portable USB 3.0 1TB:4800 Mbit/s
  • USB connector
    • 1TB CH94:USB
    • CH11 Portable USB 3.0 1TB:Micro-USB B
  • USB version
    • 1TB CH94:2.0
    • CH11 Portable USB 3.0 1TB:3.2 Gen 1 (3.1 Gen 1)
  • Width
    • 1TB CH94:87.5 mm
    • CH11 Portable USB 3.0 1TB:81.5 mm
  • Depth
    • 1TB CH94:130.9 mm
    • CH11 Portable USB 3.0 1TB:21 mm
  • Height
    • 1TB CH94:25.5 mm
    • CH11 Portable USB 3.0 1TB:120 mm
  • Dimensions (WxDxH)
    • 1TB CH94:87.5 x 130.88 x 25.5 mm
    • CH11 Portable USB 3.0 1TB:81.5 x 21 x 120 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of 1TB CH94, CH11 Portable USB 3.0 1TB
29 specifications
Hard driveidentical
Read speedKnown for oneUnknown — not stated by the source90 MB/s
Ports & interfaces3 differ
Maximum data transfer rateDiffers480 Mbit/s4800 Mbit/s
USB connectorDiffersUSBMicro-USB B
USB versionDiffers2.03.2 Gen 1 (3.1 Gen 1)
USB data transfer ratesKnown for one480 Mbit/sUnknown — not stated by the source
Featuresidentical
Windows operating systems supportedKnown for oneWindows 2000, Windows 2000 Professional, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista HomUnknown — not stated by the source
Mac operating systems supportedKnown for oneMac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 LionUnknown — not stated by the source
Linux operating systems supportedKnown for oneYesUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers87.5 mm81.5 mm
DepthDiffers130.9 mm21 mm
HeightDiffers25.5 mm120 mm
WeightKnown for one172 gUnknown — not stated by the source
Other features2 differ
Connectivity technologyKnown for oneWiredUnknown — not stated by the source
USB 2.0 ports quantityKnown for one1Unknown — not stated by the source
Compatible operating systemsDiffersLinux Kernal 2.4Windows XP/Vista/7, Mac OS X 10.5, 10.6
Dimensions (WxDxH)Differs87.5 x 130.88 x 25.5 mm81.5 x 21 x 120 mm
InternalKnown for oneUnknown — not stated by the sourceNo
Mac compatibilityKnown for oneUnknown — not stated by the sourceYes
MaterialKnown for oneUnknown — not stated by the sourcePlastic
Quick start guideKnown for oneUnknown — not stated by the sourceYes
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source1

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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