Product comparison · 2 usb flash drives

Dahua Technology USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black vs Dahua Technology USB-U176-31-256G USB flash drive

24specifications compared
13differ
11identical
4known for one product only

Key differences

Capacity
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:8 GB
- USB-U176-31-256G USB flash drive:256 GB
USB version
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:2.0
- USB-U176-31-256G USB flash drive:3.2 Gen 1 (3.1 Gen 1)
Read speed
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:25 MB/s
- USB-U176-31-256G USB flash drive:150 MB/s
Write speed
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:10 MB/s
- USB-U176-31-256G USB flash drive:100 MB/s
Product colour
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:Black
- USB-U176-31-256G USB flash drive:Red
Width
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:41.1 mm
- USB-U176-31-256G USB flash drive:54 mm
Depth
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:14.8 mm
- USB-U176-31-256G USB flash drive:18.7 mm
Height
- USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black:6.7 mm
- USB-U176-31-256G USB flash drive:7.3 mm

Side by side

Differences highlightedShow differences only

Comparison of USB-U156-20-8GB, USB-U176-31-256G
28 specifications	A Dahua Technology USB-U156-20-8GB USB flash drive USB Type-A 2.0 Black Model USB-U156-20-8GB View product	B Dahua Technology USB-U176-31-256G USB flash drive Model USB-U176-31-256G View product
Performance5 differ
CapacityDiffers	8 GB	256 GB
Device interface	USB Type-A	USB Type-A
USB versionDiffers	2.0	3.2 Gen 1 (3.1 Gen 1)
Read speedDiffers	25 MB/s	150 MB/s
Write speedDiffers	10 MB/s	100 MB/s
Plug and Play	Yes	Yes
Compatible operating systemsDiffers	Windows 7/8/10; macOS10.5+; Linux 2.4.x+	Windows 7/8/10 or above MacOS 10.5 or above Linux 2.4.x or above Android 7.0 or above
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Mobile operating systems supportedKnown for one	Unknown — not stated by the source	Android
Design2 differ
Form factor	Capless	Capless
Product colourDiffers	Black	Red
Housing materialDiffers	Metal	Acrylonitrile butadiene styrene (ABS)
Protection featuresKnown for one	Shock resistant, Waterproof	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	41.1 mm	54 mm
DepthDiffers	14.8 mm	18.7 mm
HeightDiffers	6.7 mm	7.3 mm
WeightDiffers	8 g	4.5 g
Packaging data2 differ
Package width	132 mm	132 mm
Package depth	100 mm	100 mm
Package heightDiffers	7.8 mm	8.5 mm
Package weightDiffers	20 g	16.5 g
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
Other featuresidentical
Operating voltage	5 V	5 V
Warranty periodKnown for one	5 year(s)	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)

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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