20 Best Dell Optiplex 790 Specs in 2023 Reviews and Buying Guide

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1 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
2 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...
3 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
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 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
6 DELL Optiplex 790 DT High Performance Premium Business Desktop Computer (Intel Quad-Core i5-2400 up... DELL Optiplex 790 DT High Performance Premium Business Desktop Computer (Intel Quad-Core i5-2400...
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 MiniTower PC - Intel Core i5-2400 3.1GHz 8GB 250GB DVDRW Windows 10 Pro (Renewed) Dell OptiPlex 790 MiniTower PC - Intel Core i5-2400 3.1GHz 8GB 250GB DVDRW Windows 10 Pro (Renewed) No ratings yet
9 Dell Optiplex 7010 SFF Desktop PC - Intel Core i5-3470 3.2GHz 4GB 250GB DVD Windows 10 Pro (Renewed) Dell Optiplex 7010 SFF Desktop PC - Intel Core i5-3470 3.2GHz 4GB 250GB DVD Windows 10 Pro (Renewed) No ratings yet
10 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
11 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
12 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
13 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
14 Dell Optiplex 790 SFF Computer, Intel Core i5 3.1 GHz, 16 GB RAM, 1 TB HDD, DVD-RW, Windows 10 Pro... Dell Optiplex 790 SFF Computer, Intel Core i5 3.1 GHz, 16 GB RAM, 1 TB HDD, DVD-RW, Windows 10...
15 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
16 Dell Optiplex 780 SFF Desktop PC - Intel Core 2 Duo 3.0GHz 4GB 160GB Windows Pro (64bit) (Renewed) Dell Optiplex 780 SFF Desktop PC - Intel Core 2 Duo 3.0GHz 4GB 160GB Windows Pro (64bit) (Renewed)
17 Dell Optiplex 790 Desktop Tower PC, Intel Quad Core i5 (3.10GHz) Processor, 16GB RAM, 2TB Hard... Dell Optiplex 790 Desktop Tower PC, Intel Quad Core i5 (3.10GHz) Processor, 16GB RAM, 2TB Hard... No ratings yet
18 Dell Optiplex 790 Tower Desktop Computer - Quad Core Intel i5 2nd Gen, 8GB DDR3 RAM, 500GB HDD,... Dell Optiplex 790 Tower Desktop Computer - Quad Core Intel i5 2nd Gen, 8GB DDR3 RAM, 500GB HDD,... No ratings yet
19 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...
20 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

Bestseller No. 1
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)
Bestseller No. 2
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
Bestseller No. 3
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...
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 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.
Bestseller No. 6
DELL Optiplex 790 DT High Performance Premium Business Desktop Computer (Intel Quad-Core i5-2400 up...
  • Processor: Intel Core Quad-Core i5-2400 3.1GHz (Turbo up to 3.4GHz) 6MB Cache; USB Wireless Adapter to connect Internet
  • 8GB DDR3 (PC3-12800) Memory (4 slots, supports up to 16GB), 2TB 7200 rpm Hard Drive, Intel HD Graphics;
  • DVD-RW, 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...
  • Windows 10
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...
SaleBestseller No. 8
Dell OptiPlex 790 MiniTower PC - Intel Core i5-2400 3.1GHz 8GB 250GB DVDRW Windows 10 Pro (Renewed)
  • Operating System, Windows 10 Professional
  • What s Inside, 8GB RAM, 250GB Hard Drive, DVW Optical Drive,
  • System ram type, ddr3_sdram
  • Package Weight, 11.158 kilograms
Bestseller No. 9
Dell Optiplex 7010 SFF Desktop PC - Intel Core i5-3470 3.2GHz 4GB 250GB DVD Windows 10 Pro (Renewed)
  • 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 USB WIFI Adaptor. 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...
SaleBestseller No. 10
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.
Bestseller No. 11
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. 12
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
SaleBestseller No. 13
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...
SaleBestseller No. 14
Dell Optiplex 790 SFF Computer, Intel Core i5 3.1 GHz, 16 GB RAM, 1 TB HDD, DVD-RW, Windows 10 Pro...
  • An Industry Leader: As a Microsoft Authorized Refurbisher, we pride ourselves on producing quality remanufactured PCs. Every machine is handled with...
  • Lightning Fast: Powered by Intel's top of the line Core i5 series processor and loaded with 16 GB of RAM, this machine will outperform the competition...
  • Massive Storage: Packed with 1 TB of hard drive space. You can store all of the apps, games, photos, music and movies that you need.
  • The Power of Windows: As Microsoft's latest and best OS to date, Windows 10 Professional will maximize the power and utility of your new machine.
  • Buy with Confidence: All Amazon Renewed items come with a 90-day warranty. Our customer care team will work to solve any issues or answer any...
Bestseller No. 15
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
Bestseller No. 16
Dell Optiplex 780 SFF Desktop PC - Intel Core 2 Duo 3.0GHz 4GB 160GB Windows Pro (64bit) (Renewed)
  • This Certified Refurbishd product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic...
  • Intel Core 2 Duo 3.0GHz Processor.
  • New 4GB Memory - 160GB SATA Hard Drive.
  • Windows 10 Professional 64BIT
  • Keyboard, Power Cord, and Mouse included.
Bestseller No. 17
Dell Optiplex 790 Desktop Tower PC, Intel Quad Core i5 (3.10GHz) Processor, 16GB RAM, 2TB Hard...
  • Dell Optiplex 790 Desktop Tower PC, Intel Quad Core i5 (3.10GHz) Processor, 16GB RAM, 2TB Hard Drive.
  • Includes: USB Keyboard & Mouse, Microsoft office 30 days free trail.
  • Ports: Front: USB 2.0(4), Microphone, Headphone; Rear: DisplayPort, VGA, USB 3.0(4), USB 2.0(2), PS/2(2), Line-in/Microphone, Line-out, RJ-45.
  • Operating System: Windows 10 64 Bit – Multi-language supports English/Spanish/French.
Bestseller No. 18
Dell Optiplex 790 Tower Desktop Computer - Quad Core Intel i5 2nd Gen, 8GB DDR3 RAM, 500GB HDD,...
  • This product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection,...
  • Lightning Fast: Powered by Intel's top of the line Core i5 processor and loaded with 8 GB of SDRAM, this machine will outperform the competition in...
  • Storage: 500GB of hard drive space, you can store all of the applications, games, photos, music and movies that you need.
  • Integrated Intel HD Graphics, Operating System: Windows 10 Home(64-Bit)
  • Package Includes: Computer with Keyboard, Mouse, Power cord & Wi-Fi Adapter
SaleBestseller No. 20
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)
.

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 …