Let’s begin with two GPU upgrade options that make the most sense – they have a good price to performance ratio and don’t require any changes to the hardware whatsoever. Het hulpprogramma voor de BIOS-update uitvoeren vanuit de DOS-omgeving in de Legacy-opstartmodus (niet-Windows-gebruikers) Intel AMT features disabled, Dual NICs, Powered USB 24v. Optional external power buttons and dust filter. (Requires Bios updates)

MT & SFF: 4x USB 2.0, 3x 3.2 Gen 1, 2x 3.2 Gen 2, 1x 3.2 Gen 2x2 (Type C)(USB 3.1 Gen 2/DP Optional) This section provides links to articles about diagnostics and the various error messages, beep codes, and Diagnostic LED codes that can help to troubleshoot potential hardware and software issues on your system. Dell OptiPlex 3010/7010/9010 MT and OptiPlex 3020/7020/9020 MT and use a standard size ATX power supply. Because of this, they are easier to upgrade with better GPUs. For this to work you will need a 24-Pin to 8-Pin adapter cable to power the motherboard. Dell™ OptiPlex™ XE Setup and Features Information" (PDF). Archived (PDF) from the original on 28 June 2017.Due to their compact design, the OptiPlex 3020, 5020, and 9020 Small Form Factor (SFF) versions have limitations on the size of graphics card that can be installed. These models have limited space for a GPU, so the size of the graphics card is restricted GeForce GTX 1650 4GB GDDR6 – For all Dell OptiPlex Mini Tower (MT) models you can use this 75 Watts GPU which does not require an auxiliary PCIe power connection. At your own risk, you can run a more powerful GPU if you use a SATA to 8 or 6pin power adapter. Dell™ OptiPlex™ GX400 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer. To upgrade the GPU of OptiPlex 7040 SFF, a low-power, low-profile graphics card must be used. Currently, the most reasonable GPU option is AMD's Radeon RX 6400 low profile. Dell computers that can upgrade from TPM version 1.2 to 2.0", Dell Support Knowledgebase, Article # 000132583, Last published: 19 Nov 2021, Version: 6, https://www.dell.com/support/kbdoc/en-us/000132583 Oates, John. "Secret docs reveal Dell knew PCs were faulty". The Register. Archived from the original on 27 April 2021. Dell™ OptiPlex™ GX100 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022.

However, like many other business pre-built PCs, this model may have proprietary elements like the power supply, the chassis or the power connector, which can make it difficult for users Dell™ OptiPlex™ GX150 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022. Things to consider while researching for a dedicated GPU upgrade for your Dell OptiPlex desktop: GPU power rating