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 gaming desktop with a 24-core Intel Core Ultra 9 285K, 192 GB DDR5, 1 TB NVMe, 10 TB HDD and an RTX 5060 GPU
This new tower workstation pairs a 24-core Intel Core Ultra 9 285K processor with 192GB of DDR5 memory and a liquid CPU cooler. It targets creators and gamers who need high multi-threaded throughput in a single system. The build includes a GeForce RTX 5060 graphics card, a 1TB NVMe SSD and a 10TB hard drive for large project libraries. Windows 11 Pro 64-bit is pre-installed.
A 360mm quiet-edition AIO cooler handles the CPU thermal load while two 140mm PWM front fans move air through the tempered-glass case. The Thermaltake Smart 850W 80 PLUS Bronze supply delivers power with over-voltage, under-voltage, over-power and short-circuit protection. Component temperatures stay controlled during sustained workloads without excessive fan noise. The PSU uses a Japanese main capacitor and an ultra-quiet 140mm fan.
The Gigabyte Z890 Eagle board provides Wi-Fi 7 2x2, Bluetooth 5.4 and Intel 2.5Gb Ethernet for flexible connectivity. Rear I/O includes one USB4 Type-C, two USB 3.2 Gen 2, three USB 3.2 Gen 1 and four USB 2.0 ports. Internal headers add a front-panel USB 3.2 Gen 2x2 Type-C, two USB 3.0 and audio. Four SATA 6Gb/s ports with RAID 0, 1, 5, 10 and four M.2 slots leave room for storage expansion. Builders who need a second graphics card or more than four M.2 drives should verify slot spacing before ordering.
| Release Year | 2026 |
|---|---|
| Form Factor | Tower |
| AI Features | AI Ready |
| Color | Black |
| Cooling System | Liquid Cooling |
| Operating System | Windows 11 Pro |
| Windows 11 | Ready |
| CPU Type | Intel Core Ultra 9 (Series 2) |
| CPU Name | Intel Core Ultra 9 285K |
| CPU Socket Type | LGA 1851 |
| GPU/VGA Type | GeForce RTX 5060 |
| Memory Capacity | 192GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 1TB 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 |
The cooler arrives pre‑filled and mounted on the Intel Core Ultra 9 285K inside the North Tempered Glass Black tower; the step people miss is connecting the pump header and the three 140 mm PWM fans to the GIGABYTE Z890 EAGLE motherboard fan headers so the firmware can control speeds.
The sealed 360 mm AIO loop is maintenance‑free for its service life; the PSU’s 140 mm fan may need dust cleaning, and the unit itself can be swapped with any standard ATX supply if it ever fails.
The 360 mm AIO’s heat‑rejection capacity is the first bottleneck — once coolant temperature stabilises, the motherboard firmware reduces CPU clocks to keep the processor within its thermal envelope.
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