Product comparison · 2 laptop docks & port replicators

Dell 331-7947 laptop dock/port replicator Docking Black vs i-tec Advance USB 3.0 Memory Docking Station

11specifications compared
9differ
2identical
23known for one product only

Key differences

Connectivity technology
- 331-7947 laptop dock/port replicator Docking Black:Docking
- Advance USB 3.0 Memory Docking Station:Wired
USB 2.0 ports quantity
- 331-7947 laptop dock/port replicator Docking Black:2
- Advance USB 3.0 Memory Docking Station:0
HDMI ports quantity
- 331-7947 laptop dock/port replicator Docking Black:0
- Advance USB 3.0 Memory Docking Station:1
Product colour
- 331-7947 laptop dock/port replicator Docking Black:Black
- Advance USB 3.0 Memory Docking Station:Silver
Card reader integrated
- 331-7947 laptop dock/port replicator Docking Black:No
- Advance USB 3.0 Memory Docking Station:Yes
Width
- 331-7947 laptop dock/port replicator Docking Black:287 mm
- Advance USB 3.0 Memory Docking Station:204 mm
Depth
- 331-7947 laptop dock/port replicator Docking Black:170.2 mm
- Advance USB 3.0 Memory Docking Station:94 mm
Height
- 331-7947 laptop dock/port replicator Docking Black:53.3 mm
- Advance USB 3.0 Memory Docking Station:29 mm

Side by side

Differences highlightedShow differences only

Comparison of 331-7947, U3MEMDOCK
34 specifications	A Dell 331-7947 laptop dock/port replicator Docking Black Model 331-7947 View product	B i-tec Advance USB 3.0 Memory Docking Station Model U3MEMDOCK View product
Ports & interfaces3 differ
Connectivity technologyDiffers	Docking	Wired
Host interfaceKnown for one	Unknown — not stated by the source	USB 3.2 Gen 1 (3.1 Gen 1) Type-B
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	5
HDMI ports quantityDiffers	0	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	1
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Performance2 differ
Product colourDiffers	Black	Silver
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash), SD, SDHC, SDXC
Maximum digital resolutionKnown for one	Unknown — not stated by the source	2048 x 1152 pixels
Poweridentical
Power source typeKnown for one	Unknown — not stated by the source	AC
AC input voltageKnown for one	Unknown — not stated by the source	100-240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50-60 Hz
Input currentKnown for one	Unknown — not stated by the source	0.75 A
Output currentKnown for one	Unknown — not stated by the source	4 A
Output voltageKnown for one	Unknown — not stated by the source	5 V
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	287 mm	204 mm
DepthDiffers	170.2 mm	94 mm
HeightDiffers	53.3 mm	29 mm
WeightDiffers	1.04 kg	645 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	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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