DELL OptiPlex All-in-One 7420 7DX9X Core i5-14500 16GB 256GB 23.8" all-in-one PC
- All-in-One PC
- All-in-One
Adamant Custom
Liquid-cooled tower with 8-core Ryzen 7 9800X3D, 128GB DDR5, 8TB NVMe and RTX 5080 for media workstation and gaming performance
This desktop pairs an 8-core AMD Ryzen 7 9800X3D running at 4.7 GHz with 128 GB of DDR5 memory and an Nvidia GeForce RTX 5080 graphics card. Two 4 TB Samsung 990 PRO drives provide 8 TB of NVMe storage. A 240 mm liquid cooler and a 1200 W 80 PLUS Gold power supply support sustained workloads in a tempered-glass mid-tower case. It ships with Windows 11 Pro and is aimed at creators and professionals who need high single-thread speed plus large local datasets.
The system arrives fully assembled; only peripheral cables and a display need connecting. The PRIME X870-P motherboard exposes four DDR5 slots, all populated, so future memory upgrades require module replacement. Front-panel USB includes 3.0, 3.2 Gen 2 Type-C and audio jacks; rear I/O adds USB4 40 Gbps Type-C, 10 Gbps and 5 Gbps ports plus Intel 2.5 Gb Ethernet and Wi-Fi 7. Builders sometimes forget to seat the GPU power cables firmly or to enable XMP in BIOS for rated memory speed.
Verify that your monitor cable matches the RTX 5080 output options and that your desk can accommodate a case measuring 469 x 220 x 490 mm. The motherboard offers four M.2 slots and two SATA 6 Gb/s ports; the two 4 TB NVMe drives occupy two M.2 connectors, leaving room for additional storage. Internal bays include two 3.5/2.5 inch and two 2.5 inch positions if SATA drives are added later. Confirm that your network environment can use Wi-Fi 7 or wired 2.5 Gb Ethernet.
| Release Year | 2026 |
|---|---|
| Type | Business Desktops & Workstations |
| Form Factor | Tower |
| AI Features | AI Ready |
| Usage | Work / Business |
| Color | Black |
| Cooling System | Liquid Cooling |
| Operating System | Windows 11 Pro |
| Windows 11 | Ready |
| CPU Type | AMD Ryzen 7 9000 Series |
| CPU Name | AMD Ryzen 7 9800X3D |
| CPU Socket Type | AM5 |
| GPU/VGA Type | GeForce RTX 5080 |
| Graphics Interface | PCI Express x16 |
| Memory Capacity | 128GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 8TB NVMe |
| HDD | No |
| Optical Drive Type | No |
| Screen Size | No Screen |
| Audio Chipset | Integrated |
| Audio Channels | 7.1 channels |
| LAN Chipset | Integrated |
| LAN Speed | 2.5Gbps |
| WLAN | 802.11be Wireless LAN |
| WiFi Generation | Wi-Fi 7 |
| Bluetooth | Bluetooth 5.4 |
| RJ45 | 1 port |
Enter the BIOS or use monitoring software to confirm the 240 mm AIO pump reports a steady RPM and the Ryzen 7 9800X3D idle temperature stays low under light load.
The tower ships with the PRIME X870-P motherboard, 128 GB DDR5, two 4 TB Samsung 990 PRO SSDs, RTX 5080 16 GB GPU, 240 mm AIO cooler, 1200 W 80 PLUS Gold PSU and Windows 11 Pro; only peripherals and extra storage are optional.
The board supports up to 192 GB across four slots; stay with 128 GB for current media and gaming workloads, or populate the remaining slots later if memory-intensive projects demand it.
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