![Dell Optiplex 390 Windows 10 Pro Desktop Computer PC Core i3 3.1GHz 4GB 250GB HDMI Keyboard and Mouse and 17" Monitor Dell Optiplex 390 Windows 10 Pro Desktop Computer PC Core i3 3.1GHz 4GB 250GB HDMI Keyboard and Mouse and 17" Monitor](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/4473/36809/Dell%20390%20desktop%201__38362.1652715573.jpg?c=2?imbypass=on)
Dell Optiplex 390 Windows 10 Pro Desktop Computer PC Core i3 3.1GHz 4GB 250GB HDMI Keyboard and Mouse and 17" Monitor
![A-Tech 16GB Kit (2x8GB) RAM for Dell OptiPlex 9010, 7010, 3010, 990, 790, 390 (USFF/SFF/MT/DT) | DDR3 1333 MHz DIMM PC3-10600 UDIMM Memory Upgrade at Amazon.com A-Tech 16GB Kit (2x8GB) RAM for Dell OptiPlex 9010, 7010, 3010, 990, 790, 390 (USFF/SFF/MT/DT) | DDR3 1333 MHz DIMM PC3-10600 UDIMM Memory Upgrade at Amazon.com](https://m.media-amazon.com/images/I/81g5VWFCSiL.jpg)
A-Tech 16GB Kit (2x8GB) RAM for Dell OptiPlex 9010, 7010, 3010, 990, 790, 390 (USFF/SFF/MT/DT) | DDR3 1333 MHz DIMM PC3-10600 UDIMM Memory Upgrade at Amazon.com
![Dell OptiPlex 390 Desktop PC, 3.2GHz Intel i5 Quad Core Gen 2, 8GB RAM, 2TB SATA HD, Windows 10 Professional 64 bit (Renewed) | StackSocial Dell OptiPlex 390 Desktop PC, 3.2GHz Intel i5 Quad Core Gen 2, 8GB RAM, 2TB SATA HD, Windows 10 Professional 64 bit (Renewed) | StackSocial](https://cdnp0.stackassets.com/26a5c9f5f14d884df1d8e83a69a9947adf0c568e/store/33fdf93593fcd56322d172797c269ad56b2bc574a132369be00575edfa9a/image_processing20200916-68-4275nt.jpg)
Dell OptiPlex 390 Desktop PC, 3.2GHz Intel i5 Quad Core Gen 2, 8GB RAM, 2TB SATA HD, Windows 10 Professional 64 bit (Renewed) | StackSocial
![Restored Dell Optiplex 390 Desktop Tower Computer, Intel Core i3, 4GB RAM, 500GB HD, DVD-ROM, Windows 10 Pro, Black (Refurbished) - Walmart.com Restored Dell Optiplex 390 Desktop Tower Computer, Intel Core i3, 4GB RAM, 500GB HD, DVD-ROM, Windows 10 Pro, Black (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/6acefd40-b38e-486a-8c29-ec81d9537acc_1.0a7ffb5af81924143a3a69949d328c81.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Restored Dell Optiplex 390 Desktop Tower Computer, Intel Core i3, 4GB RAM, 500GB HD, DVD-ROM, Windows 10 Pro, Black (Refurbished) - Walmart.com
Dell OptiPlex 390 Sff Core I5 2400 3.1 GHz 8GB RAM 500GB Hard Drive, windows 10 Professional, Refurb | Quill.com
![Dell Optiplex 390 SFF Refurbished Desktop CPU Tower ( Microsoft Office – Work At-Home Equipment Solutions Dell Optiplex 390 SFF Refurbished Desktop CPU Tower ( Microsoft Office – Work At-Home Equipment Solutions](https://cdn.shopify.com/s/files/1/0044/9970/1827/products/DellOptiplex390SFF_530x@2x.png?v=1655824688)
Dell Optiplex 390 SFF Refurbished Desktop CPU Tower ( Microsoft Office – Work At-Home Equipment Solutions
![OptiPlex 390 Mini Tower (MT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink Processor and Coin Cell Battery | Dell European Distribution Business OptiPlex 390 Mini Tower (MT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink Processor and Coin Cell Battery | Dell European Distribution Business](https://supportkb.dell.com/img/ka02R0000008MfPQAU/ka02R0000008MfPQAU_en_US_2.jpeg)
OptiPlex 390 Mini Tower (MT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink Processor and Coin Cell Battery | Dell European Distribution Business
![Fast And Dependable Dell Optiplex 390 Desktop | Intel i5 Processor | 8GB RAM | 500GB HDD | WIFI | Windows 10 Pro Fast And Dependable Dell Optiplex 390 Desktop | Intel i5 Processor | 8GB RAM | 500GB HDD | WIFI | Windows 10 Pro](https://cdn11.bigcommerce.com/s-w5trgcbv/images/stencil/1280x1280/products/7159/54918/Dell-i3-Desktop__33908.1558044608__87435.1652716836.jpg?c=2)
Fast And Dependable Dell Optiplex 390 Desktop | Intel i5 Processor | 8GB RAM | 500GB HDD | WIFI | Windows 10 Pro
![4GB RAM Memory for Dell OptiPlex 390 Essential Desktop 240pin PC3-8500 DDR3 DIMM 1066MHz Black Diamond Memory Module Upgrade - Newegg.com 4GB RAM Memory for Dell OptiPlex 390 Essential Desktop 240pin PC3-8500 DDR3 DIMM 1066MHz Black Diamond Memory Module Upgrade - Newegg.com](https://c1.neweggimages.com/ProductImage/ABYY_1_20180604469124451.jpg)
4GB RAM Memory for Dell OptiPlex 390 Essential Desktop 240pin PC3-8500 DDR3 DIMM 1066MHz Black Diamond Memory Module Upgrade - Newegg.com
![OFFTEK 4GB Replacement Memory RAM Upgrade for Dell OptiPlex 390 (Desktop) (DDR3-10600 - Non-ECC) Desktop Memory at Amazon.com OFFTEK 4GB Replacement Memory RAM Upgrade for Dell OptiPlex 390 (Desktop) (DDR3-10600 - Non-ECC) Desktop Memory at Amazon.com](https://m.media-amazon.com/images/I/61XmhmEup8L.jpg)