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
A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, 192GB DDR5, 2TB NVMe SSD and RTX 5070 graphics for media workstation and gaming workloads
This new desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with 192GB of DDR5 memory and a 2TB NVMe SSD. A 240mm liquid cooler keeps the CPU at stable temperatures. The GeForce RTX 5070 graphics card delivers 12GB of video memory for rendering and gaming workloads. Windows 11 Pro is pre-installed on the system.
The configuration suits creators and engineers who need high core counts and large memory capacity for video editing, 3D modelling or code compilation. The 192GB DDR5 ceiling matches the motherboard maximum, so buyers who anticipate needing more memory must choose a different platform. The single RTX 5070 fits workloads that do not require multi-GPU scaling.
The PRIME X870-P motherboard supports a maximum of 192GB across four DDR5 slots, and this build already populates that limit. Any future upgrade would require replacing existing modules rather than adding to them. Buyers planning to exceed this capacity should verify alternative motherboard specifications before purchase.
| Release Year | 2026 |
|---|---|
| Type | Business Desktops & Workstations |
| Form Factor | Desktop |
| AI Features | AI Ready |
| Usage | Workstation |
| Color | Black |
| Cooling System | Liquid Cooling |
| Operating System | Windows 11 Pro |
| Windows 11 | Ready |
| CPU Type | AMD Ryzen 9 9000 Series |
| CPU Name | AMD Ryzen 9 9900X3D |
| CPU Socket Type | AM5 |
| GPU/VGA Type | GeForce RTX 5070 |
| Graphics Interface | PCI Express x16 |
| Memory Capacity | 192GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 2TB 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 |
The RTX 5070 connects via a PCI Express x16 slot. The motherboard supports PCIe 4.0 for the primary M.2 drive, so the graphics slot runs at up to 4.0 speeds.
The Corsair 4000D case measures 490 mm deep, 239 mm wide and 486 mm high. It fits the included ATX PRIME X870-P motherboard.
The 240 mm AIO radiator screws into the case fan mounts with the supplied brackets. The pump block then seats on the AM5 CPU using the pre-applied thermal paste; forgetting to remove the protective film on the paste is the common error.
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