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 desktop with a 12-core Ryzen processor, 64GB DDR5, 4TB NVMe SSD and 10TB HDD, running Windows 11 Pro
This desktop ships with a 12-core AMD Ryzen 9 9900X3D processor and 64GB of DDR5 memory. The combination targets creators and engineers who run virtual machines, compile large codebases, or edit video timelines while keeping background services active. Integrated Radeon graphics handle display output through HDMI and two USB4 ports without a discrete card.
The 4TB Samsung 990 PRO NVMe drive delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s over a PCIe 4.0 x4 link. The 10TB hard drive adds bulk capacity at SATA 6Gb/s speeds. Rear I/O includes two USB4 ports at 40Gbps, one USB 10Gbps port, three USB 5Gbps ports, four USB 2.0 ports, and Intel 2.5Gb Ethernet alongside Wi-Fi 7 and Bluetooth 5.4.
Verify that your monitors accept HDMI or USB4 DisplayPort alt-mode signals, as no discrete GPU outputs are present. The mid-tower chassis measures 477 x 220 x 486 mm and supports three 3.5-inch and three 2.5-inch internal drives plus one external 5.25-inch bay. The motherboard offers four DDR5 slots with a 192 GB ceiling and four M.2 connectors for future expansion.
| Release Year | 2026 |
|---|---|
| Form Factor | Mid Tower |
| AI Features | AI Ready |
| 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 | Integrated Graphics |
| Memory Capacity | 64GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 4TB NVMe |
| HDD | 10TB |
| 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 |
Install the OS and active titles on the 4 TB Samsung 990 PRO for 7450 MB/s reads; use the 10 TB drive with 256 MB cache for media and backups.
The 12-core Ryzen 9 9900X3D boosts to 5.50 GHz with 128 MB L3 cache, so heavy workloads run well above the base frequency.
Each USB4 port runs at 40 Gbps, capping external SSD transfers at that ceiling while sharing the controller bandwidth.
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