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Black rectangular docking station with proprietary connector and multiple ports on front and rear

DELL

DELL 331-7947 E-Port Plus Docking Station

SKU CH-416R-RW60A MPN 331-7947

Adds dual DVI and DisplayPort video, Gigabit Ethernet, serial, parallel, PS/2 and audio to compatible Dell Precision notebooks via a proprietary dock connector

  • Key features2x USB 3.0, 3x USB 2.0, 1x VGA, 2x DVI-D, 2x Display Port 1x
  • Connect notebooks to wired networks via integrated RJ-45 Ethernet
  • Drive two external monitors using dual DisplayPort and DVI outputs
  • Add legacy peripherals through serial, parallel and PS/2 ports
  • Expand connectivity with two USB 3.0 and three USB 2.0 ports
  • Compatible with Dell Precision M4400 through M6700 mobile workstations

Dell E-Port Plus Port Replicator

The Dell 331-7947 E-Port Plus is a proprietary docking station designed for compatible Dell Precision mobile workstations. It expands a single proprietary connection into a full complement of legacy and video interfaces for desk-based productivity.

Suits owners of listed Precision models needing

This replicator serves professionals who require PS/2, serial, parallel, VGA and dual DVI-D outputs alongside modern USB 3.0 and DisplayPort connections. Buyers whose notebooks lack the Dell E-Port connector cannot use this device.

Host interface is a proprietary Dell E-Port

The station connects through a dedicated bottom-side dock connector found on Precision M4400, M4500, M4600, M4700, M4800, M6400, M6500, M6600 and M6700 systems. No other host interface is supported.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $166.99
Pricier than about 72% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameDell
Model name331-7947
Size & build
Shipping weight3.54 kg
Package size394 × 320 × 71 mm

Questions about this item

What clearance does the 11.3-inch wide E-Port Plus dock need on a desk?

The unit measures 11.3 inches wide, 6.7 inches deep and 2.1 inches high, so allow at least that footprint plus cable bend radius behind it.

Which way does the proprietary connector face when docking a Precision M4800?

The connector is on the underside; align the laptop's docking notch with the replicator's guide pins and press straight down until it clicks — forcing it at an angle bends pins.

What part typically wears out first on the 331-7947 replicator?

The proprietary docking connector sees the most insertions; if the laptop no longer seats firmly or USB 3.0 ports drop, the replicator needs replacement.

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