20 Best Dell Optiplex 790 Specs in 2022 Reviews and Buying Guide

2,862 Reviews Scanned

# Preview Product Rating
1 Dell OptiPlex 790 Desktop PC - Intel Core i5-2400 3.1GHz 8GB 1TB DVDRW Windows 10 Pro (Renewed) Dell OptiPlex 790 Desktop PC - Intel Core i5-2400 3.1GHz 8GB 1TB DVDRW Windows 10 Pro (Renewed) No ratings yet
2 Dell OptiPlex 790 USFF Desktop PC - Intel Core i3-2120 3.3GHz 8GB 250GB DVD-RW Windows 10... Dell OptiPlex 790 USFF Desktop PC - Intel Core i3-2120 3.3GHz 8GB 250GB DVD-RW Windows 10...
3 DELL Optiplex 790 Business High Performance DT Desktop Computer PC, Intel Quad Core i5-2400 3.1GHz... DELL Optiplex 790 Business High Performance DT Desktop Computer PC, Intel Quad Core i5-2400... No ratings yet
4 DELL Optiplex 790 High Performance Desktop Computer MiniTower, Intel Core i5-2400 Processor up to... DELL Optiplex 790 High Performance Desktop Computer MiniTower, Intel Core i5-2400 Processor up to... No ratings yet
5 Dell Optiplex 790 SFF Desktop - Intel Core i7 3.4GHz, 16GB DDR3, New 500GB SSD, Windows 10 Pro... Dell Optiplex 790 SFF Desktop - Intel Core i7 3.4GHz, 16GB DDR3, New 500GB SSD, Windows 10 Pro... No ratings yet
6 Dell OptiPlex 790 SFF Desktop PC - Intel Core i7-2600 3.4GHz 4GB 500GB DVDRW Windows 10 Pro... Dell OptiPlex 790 SFF Desktop PC - Intel Core i7-2600 3.4GHz 4GB 500GB DVDRW Windows 10 Pro... No ratings yet
7 Desktop Computer Package Compatible With Dell OptiPlex 790, Quad Core i5 3.1GHz, 4GB RAM, 250GB HDD,... Desktop Computer Package Compatible With Dell OptiPlex 790, Quad Core i5 3.1GHz, 4GB RAM, 250GB... No ratings yet
8 DELL Optiplex 790 SFF Small Form Factor Business Desktop Computer PC (Intel Dual Core i3 CPU 3.3GHz,... DELL Optiplex 790 SFF Small Form Factor Business Desktop Computer PC (Intel Dual Core i3 CPU... No ratings yet
9 Genuine Dell 265W Watt 053N4 D3D1C 9D9T1 Optiplex 390, 790, 990 SMT Small Mini Tower Power Supply... Genuine Dell 265W Watt 053N4 D3D1C 9D9T1 Optiplex 390, 790, 990 SMT Small Mini Tower Power Supply...
10 Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 19 Monitors... Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 19 Monitors...
11 Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 22 inch Monitors... Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 22 inch... No ratings yet
12 DELL Optiplex 3020 SFF Desktop PC - Intel Core i5-4570 3.2GHz 8GB 500GB DVDRW Windows 10... DELL Optiplex 3020 SFF Desktop PC - Intel Core i5-4570 3.2GHz 8GB 500GB DVDRW Windows 10...
13 Replacement CD DVD Burner Writer Player Drive for Dell Optiplex Small Form Factor SFF 390 790 990... Replacement CD DVD Burner Writer Player Drive for Dell Optiplex Small Form Factor SFF 390 790 990... No ratings yet
14 Desktop PC Computer Compatible with Dell OptiPlex 990, Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB... Desktop PC Computer Compatible with Dell OptiPlex 990, Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB... No ratings yet
15 Dell 790 OptiPlex Small Form Factor Desktop PC - Intel Core i5-2400 3.1GHz, 8GB Ram, 240GB SSD,... Dell 790 OptiPlex Small Form Factor Desktop PC - Intel Core i5-2400 3.1GHz, 8GB Ram, 240GB SSD,... No ratings yet
16 DELL Optiplex High Performance 790 Desktop Computer PC, Intel Quad Core i5-2400 3.1GHz Processor,... DELL Optiplex High Performance 790 Desktop Computer PC, Intel Quad Core i5-2400 3.1GHz Processor,... No ratings yet
17 Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State, DVDRW, Windows... Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State, DVDRW,... No ratings yet
18 DELL OPTIPLEX 790 TW Desktop Computer,Intel Core I7-2600 up to 3.8G,16G DDR3,2T,DVD,WiFi,HDMI,VGA,DP... DELL OPTIPLEX 790 TW Desktop Computer,Intel Core I7-2600 up to 3.8G,16G... No ratings yet
19 DELL OptiPlex 790 Desktop Computer Package - Quad Core i5 3.1-GHz, 4GB RAM, 250GB HDD, DVD, 22 Inch... DELL OptiPlex 790 Desktop Computer Package - Quad Core i5 3.1-GHz, 4GB RAM, 250GB HDD, DVD, 22... No ratings yet
20 Dell 240W Watt 3WN11 H240AS-00 2TXYM 709MT Power Supply Unit Dell 240W Watt 3WN11 H240AS-00 2TXYM 709MT Power Supply Unit No ratings yet

Bestseller No. 1
Dell OptiPlex 790 Desktop PC - Intel Core i5-2400 3.1GHz 8GB 1TB DVDRW Windows 10 Pro (Renewed)
  • This CertifiedRefurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • Intel Core i5-2400 3.1GHz Processor
  • 8GB DDR3 - 1TB SATA Hard Drive
  • DVD-ROM
  • Microsoft Windows 10 Professional (64-Bit)
Bestseller No. 3
DELL Optiplex 790 Business High Performance DT Desktop Computer PC, Intel Quad Core i5-2400 3.1GHz...
  • Intel Quad-Core i5-2400 Processor (6M Cache, up to 3.40 GHz)
  • 8GB DDR3 (PC3-12800) Memory, 4 Slots, 2TB SATA 7200RPM, Intel HD Graphics 2000, DVD
  • Integrated Audio, 10/100/1000Mbps LAN; Slots: 10 x USB 2.0 ports, 2 x audio-out jacks, 1 x microphone jack, 1 x RJ-45 Ethernet port, 1 x VGA port, 1 x...
  • Windows 10 Home, USB Keyboard, Mouse
SaleBestseller No. 4
DELL Optiplex 790 High Performance Desktop Computer MiniTower, Intel Core i5-2400 Processor up to...
  • Processor: Intel Quad-Core i5-2400 3.1GHz (Turbo up to 3.4GHz) 6MB Cache;
  • Memory: 8GB (4 slots, supports up to 16GB), 2TB 7200 rpm Hard Drive + 120GB SSD, Intel HD Graphics;
  • DVD ROM, USB, Integrated Audio, 10/100/1000Mbps LAN; Slots: 10 x USB 2.0 ports, 1 x Ethernet port, 1 x VGA port, 1 x DisplayPort, 1 x audio out jack,...
  • Windows 10 Professional 64 bit, Activation code is on the tower; the best operating system for business
Bestseller No. 5
Dell Optiplex 790 SFF Desktop - Intel Core i7 3.4GHz, 16GB DDR3, New 500GB SSD, Windows 10 Pro...
  • This computer bundle includes a Dell Optiplex desktop computer, new solid state drive, new memory, new 16GB USB flash drive, Wi-Fi, new mouse and...
  • IDEAL FOR HOME, OFFICE, & BUSINESS – A versatile machine designed to excel in any environment. Whether you’re looking for a computer for your...
  • REFURBISHED WITH NEW COMPONENTS & INSPECTED – No computer leaves our warehouse without first undergoing a rigorous inspection to ensure that every...
  • 16GB USB FLASH DRIVE INCLUDED – The perfect device to help you transfer your files to your new computer; our 16GB USB flash drive is included with...
  • 90 DAY WARRANTY – We’re proud to offer a full 90-day warranty on all our refurbished products. Our US based staff will work to provide our...
Bestseller No. 6
Dell OptiPlex 790 SFF Desktop PC - Intel Core i7-2600 3.4GHz 4GB 500GB DVDRW Windows 10 Pro...
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • Intel Core i7-2600 3.4GHz Processor
  • 4GB DDR3 - 500GB SATA Hard Drive (5400RPM)
  • DVDRW
  • Microsoft Windows 10 Professional (64-Bit)
Bestseller No. 7
Desktop Computer Package Compatible With Dell OptiPlex 790, Quad Core i5 3.1GHz, 4GB RAM, 250GB HDD,...
  • POWERFUL PROCESSOR - Configured with top of the line series processor for lightning fast, reliable and consistent performance to ensure an exceptional...
  • SUPERIOR STORAGE AND MEMORY – Customized with 250GB storage space to store apps, games, photos, music and movies. Loaded with DELLGB of RAM to zip...
  • BUILT IN CONNECTIVITY - Stay connected to the internet with installed wireless capable technology and integrated network card. Play your favorite...
  • WINDOWS 10 LATEST RELEASE - A new installation of the latest Microsoft Windows 10 Home 64 Bit Operating System software, free of bloatware commonly...
  • BUY WITH CONFIDENCE - All Amazon Renewed computers come with a 90-day warranty and technical support to provide customers with unmatched quality and...
Bestseller No. 8
DELL Optiplex 790 SFF Small Form Factor Business Desktop Computer PC (Intel Dual Core i3 CPU 3.3GHz,...
  • Dell 790 Intel I3 Dual-Core 3.3 GHz Processor
  • What's Inside: 4GB RAM, 500GB Hard Drive, DVW Optical Drive,
  • Operating System: Windows 10 Professional
Bestseller No. 9
Genuine Dell 265W Watt 053N4 D3D1C 9D9T1 Optiplex 390, 790, 990 SMT Small Mini Tower Power Supply...
  • Dell OptiPlex 790 MT Power Supply
  • DP/N: GVY79
  • Model: H265AM-00
  • Max Output: 265W
Bestseller No. 10
Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 19 Monitors...
  • Dell 790 Intel I5 Quad-Core 3.1 GHz Processor
  • What's Inside: 16GB RAM, 1TB Hard Drive, DVD Optical Drive,
  • Operating System: Windows 10 Professional
  • Keyboard and Mouse Included
SaleBestseller No. 11
Dell Optiplex 790 Core i5 3.1GHz, 1TB Hard Drive, 16GB Memory, Windows 10 x64, Dual 22 inch Monitors...
  • POWERFUL PROCESSOR - Configured with top of the line series processor for lightning fast, reliable and consistent performance to ensure an exceptional...
  • SUPERIOR STORAGE AND MEMORY – Customized with 1TB HDD storage space to store apps, games, photos, music and movies. Loaded with DELLGB of RAM to zip...
  • BUILT IN CONNECTIVITY - Stay connected to the internet with USB WIFI Adapter. Play your favorite music files with stereo sound. Easily connect to...
  • WINDOWS 10 LATEST RELEASE - A new installation of the latest Microsoft Windows 10 Professional 64 Bit Operating System software, free of bloatware...
  • BUY WITH CONFIDENCE - All Amazon Renewed computers come with a 90-day warranty and technical support to provide customers with unmatched quality and...
Bestseller No. 12
DELL Optiplex 3020 SFF Desktop PC - Intel Core i5-4570 3.2GHz 8GB 500GB DVDRW Windows 10...
  • System ram type, ddr3_sdram
  • Package Weight, 6.554 kilograms
  • Operating system, Windows 10 Pro
  • Package Dimensions, 19.685 L x 48.895 H x 41.91 W (centimeters)
SaleBestseller No. 13
Replacement CD DVD Burner Writer Player Drive for Dell Optiplex Small Form Factor SFF 390 790 990...
  • Size: 12.7mm (0.5 inch) in thickness. Not compatible with 9.5mm thick dvd drive.
  • Please make sure your dvd drive is 12.7mm (0.5 inch) in thickness. If your dvd drive is not 0.5 inch in thickness then it will not fit.
  • Burn CD's and DVD's, Play/Read CD's and DVD's
  • Replacement CD DVD Burner Writer Player Drive for Dell Optiplex Small Form Factor SFF
Bestseller No. 14
Desktop PC Computer Compatible with Dell OptiPlex 990, Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB...
  • CUSTOM BUNDLE OF 2 INTEGRATED ITEMS - Renewed Dell OptiPlex 990 Desktop Computer (Intel Quad Core i5 3.1GHz, 16GB RAM, 1TB Hard Drive, DVD-RW, Windows...
  • MICROSOFT WINDOWS 10 LATEST RELEASE - A brand new installation of the latest Microsoft Windows 10 Operating System, free of bloatware commonly...
  • MICROSOFT AUTHORIZED REFURBISHED - Microsoft Authorized Refurbishers (MAR) are recognized as the leaders in refurbished computers for every...
  • ROBUST PROCESSOR, STORAGE AND MEMORY – The combination of key integrated components allows this computer to excel at work, home or school. Intel's...
  • CUSTOM TAILORED FOR A SECURE START - Configured to tackle the most commonly needed tasks right out of the box - Browse the internet, stream movies &...
Bestseller No. 15
Dell 790 OptiPlex Small Form Factor Desktop PC - Intel Core i5-2400 3.1GHz, 8GB Ram, 240GB SSD,...
  • System ram type, ddr3_sdram
  • Operating system, Windows 10
  • Package Weight, 6.963 kilograms
  • Package Dimensions, 16.51 L x 46.736 H x 45.72 W (centimeters)
SaleBestseller No. 16
DELL Optiplex High Performance 790 Desktop Computer PC, Intel Quad Core i5-2400 3.1GHz Processor,...
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • Dell Optiplex 790 Desktop/SFF PC, Intel Quad Core i5-2400 up to 3.4GHz, 8G DDR3, 1T, DVD
  • Includes: USB Keyboard & Mouse, Microsoft office 30 days free trail.
  • Ports: USB 3.0, USB 2.0, Microphone, Headphone, DisplayPort, VGA, Line-in/Microphone, Line-out, RJ-45.
  • Operating System: Windows 10 64 Bit – Multi-language supports English/Spanish/French.
SaleBestseller No. 17
Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State, DVDRW, Windows...
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • Dell OptiPlex 9020-SFF, Intel Core i5-4570 3.2GHZ, 16GB RAM, 512GB SSD Solid State
  • Port: RJ-45, Serial Port, VGA, (2) Display Port, (2) PS/2
  • Includes: USB Keyboard & Mouse, Microsoft office 30 days free trail.
  • Operating System: Windows 10 Pro 64 Bit – Multi-language supports English/Spanish/French.
SaleBestseller No. 18
DELL OPTIPLEX 790 TW Desktop Computer,Intel Core I7-2600 up to 3.8G,16G DDR3,2T,DVD,WiFi,HDMI,VGA,DP...
  • System ram type, ddr3_sdram
  • Operating system, Windows 10 Pro
  • Package Weight, 10.795 kilograms
  • Package Dimensions, 26.593 L x 50.190 H x 48.209 W (centimeters)
Bestseller No. 19
DELL OptiPlex 790 Desktop Computer Package - Quad Core i5 3.1-GHz, 4GB RAM, 250GB HDD, DVD, 22 Inch...
  • Dell OptiPlex 790 Desktop PC, Intel Quad Core i5-2400 up to 3.4GHz, 4G DDR3, 250G, DVD, WIFI, BT 4.0, Windows 10 64-Multi-Language Support...
  • Includes: USB Keyboard & Mouse, WiFi Adapter, Bluetooth Adapter, Microsoft office 30 days free trail..
  • Ports: 10 External USB 2.0 ports a; 1 Serial; 1 RJ-45; 1 VGA; 1 DisplayPort; 2 PS/2; 2 Line-in (stereo/microphone), 2 Line-out (headphone/speaker).
  • Operating System: Windows 10 64 Bit – Multi-language supports English/Spanish/French.
.

FAQ:

Q: How to install SSD on DELL Optiplex 790?

A: Adding a SSD to Optiplex 790 mini tower. The Optiplex 790 is running Windows 7 64 bit. I want to put a 1TB SSD, load Windows 10 64 bit on the SSD and make it the primary hard drive and the existing 500GB hard drive containing Windows 7 as the. secondary.

Q: Can you change PSU in an OptiPlex 790?

A: Your PSU is 240w according to the 790 Tech Guide. You won’t need to upgrade it for a 31w GPU. PSU upgrades are rarer as most after market PSU’s are full size ATX.

Q: What does Dell Optiplex mean?

A: OptiPlex is a line of business-oriented desktop computers from Dell Technologies aimed at corporate enterprises, healthcare, government, and education markets. The systems typically contain Intel CPUs, beginning with Celeron and Pentium and currently with the Core microarchitecture (i3, i5, i7, i9). Business-oriented components, such as Gigabit Ethernet, DisplayPort, Tool-less Chassis and …