What type of graphics card does this PC have?

This PC ships with the integrated Intel HD4400 graphics. It does have a low-profile PCIe x16 expansion slot, but does not have any PCIe power connectors available from the PSU. You would be able to add a low-profile dedicated graphics card, but it will have to be one that does not require an additional power connector. The nVIDIA GeForce GTX 750 or AMD Radeon R7 250 are probably the most powerful dedicated graphics cards that can be installed in the ThinkCentre E73.

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Lenovo Desktop Computer ThinkCentre E73 (10AU00ESUS) Intel Core i3-4150 4GB DDR3 500GB HDD Intel HD Graphics 4400 Windows 7 Professional / Windows 8.1 Downgrade

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Intel Core i3-4150
4GB DDR3
500GB HDD
Windows 7 Professional / Windows 8.1 Downgrade
No Screen
Intel HD Graphics 4400

Overview

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Model
Brand	Lenovo
Series	ThinkCentre
Model	E73 (10AU00ESUS)
Part Number	10AU00ESUS

Quick Info
Type	Business Desktops & Workstations
Form Factor	Slim/Small Form Factor
Usage	Business
Color	Black
Processor	Intel Core i3-4150 3.50 GHz
Memory	4 GB DDR3 1600
Storage	500 GB 7200 RPM
Optical Drive	DVD±RW
Graphics	Intel HD Graphics 4400
Ethernet	Gigabit Ethernet
Power Supply	180W
Operating System	Windows 7 Professional / Windows 8.1 Downgrade

Motherboard
Chipset	Intel H81

CPU
CPU Type	Intel Core i3 4th Gen
CPU Name	Intel Core i3-4150
L3 Cache Per CPU	3 MB
CPU Main Features	64 bit Dual Core Processor

Graphics
GPU/VGA Type	Intel HD Graphics 4400
Graphics Interface	Integrated video

Memory
Memory Capacity	4GB DDR3
Memory Speed	DDR3 1600
Form Factor	DIMM 240-pin
Memory Slot (Total)	2
Maximum Memory Supported	16 GB

Storage
HDD	500GB
HDD RPM	7200rpm

Optical Drive
Optical Drive Type	DVD±RW

Display
Screen Size	No Screen

Communications
LAN Speed	10/100/1000Mbps

Front Panel Ports
Front USB	2 x USB 2.0
Front Audio Ports	1 x Microphone, 1 x Headphone

Back Panel Ports
Video Ports	1 VGA, 1 Display Port
Rear USB	2 x USB 3.0 2 x USB 2.0
Rear Audio Ports	3 ports

Expansion
PCI Slots (Available/Total)	1 PCI Express 3.0 x16 (40W max) 1 PCIe 2.0 x1 1 PCIe 2.0 x1

Dimensions & Weight
Dimensions (H x W x D)	13.20" x 3.98" x 15.00"
Weight	13.20 lbs.

Additional Information
First Listed on Newegg	September 22, 2025

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Customer Reviews of the Lenovo E73 (10AU00ESUS)

Warranty & Returns

Warranty, Returns, And Additional Information

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