Product comparison · 2 laptop docks & port replicators

LG R series PR20-W laptop dock/port replicator vs LG SDT-140 laptop dock/port replicator Docking Black

3specifications compared
3differ
0identical
21known for one product only

Key differences

USB 2.0 ports quantity
- R series PR20-W laptop dock/port replicator:3
- SDT-140 laptop dock/port replicator Docking Black:1
Microphone in
- R series PR20-W laptop dock/port replicator:Yes
- SDT-140 laptop dock/port replicator Docking Black:No
Ethernet LAN (RJ-45) ports
- R series PR20-W laptop dock/port replicator:1
- SDT-140 laptop dock/port replicator Docking Black:0

Side by side

Differences highlightedShow differences only

Comparison of PR20-W, SDT-140
24 specifications	A LG R series PR20-W laptop dock/port replicator Model PR20-W View product	B LG SDT-140 laptop dock/port replicator Docking Black Model SDT-140 View product
Ports & interfaces2 differ
Connectivity technologyKnown for one	Unknown — not stated by the source	Docking
USB 2.0 ports quantityDiffers	3	1
Micro-USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Microphone inDiffers	Yes	No
Headphone outputsKnown for one	Unknown — not stated by the source	0
USB connector typeKnown for one	Unknown — not stated by the source	Micro-USB A
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Line-inKnown for one	Yes	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
Network1 differ
Ethernet LANKnown for one	Unknown — not stated by the source	No
Ethernet LAN (RJ-45) portsDiffers	1	0
Performanceidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Card reader integratedKnown for one	Unknown — not stated by the source	No
Charging functionKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Brand compatibilityKnown for one	Unknown — not stated by the source	Lenovo
CompatibilityKnown for one	Unknown — not stated by the source	P500 Optimus One
Poweridentical
Output voltageKnown for one	Unknown — not stated by the source	5 V
Other featuresidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
I/O portsKnown for one	3 x USB2 1 x Line in 1 x Mic in 1 x DVI 1 x VGA 1 x AC in 1 x Serial 1 x Parallel 1 x IEEE 1394 1 x Headphone	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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