Dell OptiPlex computers sold from 2015 to 2020 use cases that resembled the style used in Dell laptops of the same era. These OptiPlex machines are no longer standard ATX or MicroATX. Dell™ OptiPlex™ XE Setup and Features Information" (PDF). Archived (PDF) from the original on 28 June 2017. This converts a low profile PCIe x16 and PCI or two PCI full height. the last two remain low profile. A riser card is available which converts a low profile PCIe x16 and PCI or two PCI or one PCIe x16 and PCI full height. the last PCI (and PCIe x16 on 960/980) remains low profile. Optiplex Family Brochure" (PDF). Dell EMC. Dell. Archived (PDF) from the original on 14 July 2020 . Retrieved 12 July 2020.

The Dell OptiPlex chassis now follows the Pro 2 chassis introduced with the OptiPlex 7071 and now also on the 3080, 5080 and 7080 models. Up to a 500W 92% 80+ Platinum PSU and support for Nvidia RTX Graphics Cards. [13] All Models including All-in-ones offer 802.11ax WiFi 6 Options and all Desktop models offer a Serial Port Adapter, which can be expanded with a variety of ports including; Serial Ports, VGA, DisplayPorts, HDMI, and USB Type C alt DisplayPorts. OptiPlex offers Energy Star 8.0 configurations, as well as EPEAT Silver and Gold configurations to its customers. 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) Accidental Damage-Additional Information: Accidental Damage Service excludes theft, loss, and damage due to fire, flood or other acts of nature, or intentional damage. Customer may be required to return damaged unit to Dell. Limit of 1 qualified incident per contract year. For more information, consumers visit Accidental Damage Service Contract (Consumer) or commercial customers visit Accidental Damage Service Contract (Commercial). Vance, Ashlee (28 June 2010). "Suit Over Faulty Computers Highlights Dell's Decline". The New York Times. Archived from the original on 7 April 2022 . Retrieved 19 August 2020. Hard drive retention: Hard drive retention is not available on models with a soldered hard drive, including XPS 9315 2in1, Chromebooks or Venue tablets, except the Venue 11 Pro.

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Dell™ OptiPlex™ GX300 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022. 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 Dell OptiPlex GX240 spec sheet" (PDF). 21 September 2001. Archived (PDF) from the original on 23 September 2021 . Retrieved 23 September 2021. Dell OptiPlex 780 Desktop Details | Dell". 2010-02-09. Archived from the original on 2010-02-09 . Retrieved 2022-12-14. Dell OptiPlex 9020 All In One Spec Sheet Final G 13001038" . Retrieved 18 March 2023– via Internet Archive.

DELL™ OPTIPLEX™ 380 TECHNICAL GUIDEBOOK" (PDF). Archived (PDF) from the original on 31 October 2022. Gigabit Ethernet, HDMI 1.4 (In & Out), DisplayPort 1.2, 2.0 MP 1080p Webcam, Optional 802.11ax, Up to GTX 1050 4 GB Dell™ OptiPlex™ GX100 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022. MT & SFF (half height): PCIe x16, 3x PCIe x1, M.2 80 mm, M.2 30 mm (WiFi only) (Micro: M.2 80 mm, M.2 30 mm (WiFi only))

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OptiPlex models (mostly produced in 2003 and 2004), notably the GX270, suffered from frequent failures due to faulty capacitors supplied by Nichicon as part of the capacitor plague. These capacitors would bulge and leak, resulting in product failure after only a few years of use. Leaked internal documents allege that Dell knew that the computers were likely to fail, and continued to ship them. [7] [8] [9] Series 4 [ edit ] Only latest BIOS Supports Core 2 Quad and 8GB DDR2. USFF does not support 2GB/800 memory units. A 2 GB/800. Intel AMT features disabled, Dual NICs, Powered USB 24v. Optional external power buttons and dust filter. (Requires Bios updates) Dell™ OptiPlex™ GX150 System User's Guide" (PDF). Archived (PDF) from the original on 29 October 2022.