DELL OptiPlex All-in-One 7420 7DX9X Core i5-14500 16GB 256GB 23.8" all-in-one PC
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- All-in-One
Adamant Custom
Liquid-cooled desktop with 24-core Intel Core Ultra 9 285K, 32GB DDR5, 2TB NVMe SSD, 10TB HDD and RTX 5070 graphics
The Adamant Custom system pairs a 24-core Intel Core Ultra 9 285K with an RTX 5070 graphics card, 32GB DDR5 memory and a 2TB NVMe boot drive backed by a 10TB HDD. It targets creators and gamers who need strong multi-threaded compute and fast local storage in a single Windows 11 Pro machine. Liquid cooling keeps the high-core-count CPU stable during long sessions.
Moving from a mainstream 8- to 12-core platform makes sense when render queues, compile times or simultaneous streams regularly saturate every thread. The 360mm AIO and Z890 UD motherboard give the 285K headroom to sustain its 5.70 GHz boost without thermal throttling, so the jump pays off only if your workload actually uses the extra cores and cache.
Under continuous load the 360mm Quiet Edition loop maintains lower coolant temperatures than a typical air cooler, letting the processor hold higher frequencies for minutes rather than seconds. The 850W 80 PLUS Bronze PSU delivers stable power to both CPU and GPU without hitting its protection limits, while the Corsair 4000D chassis exhausts heated air through the radiator to keep internal ambient temperatures in check.
| Release Year | 2026 |
|---|---|
| Form Factor | Desktop |
| 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 5070 |
| Memory Capacity | 32GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 2TB 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 | 802.11ax Wireless LAN |
| WiFi Generation | Wi-Fi 6E |
| Bluetooth | Bluetooth 5.4 |
| RJ45 | 1 port |
The Corsair 4000D case measures 490 x 239 x 486 mm and provides two internal 3.5-inch bays plus two 2.5-inch bays for additional storage.
Mount the supplied LGA 1851 bracket, apply thermal paste, secure the cold plate, then connect the pump header and route the 360 mm radiator tubes without kinks — forgetting the pump power cable is the common error.
The Z890 UD motherboard supports up to 192 GB of DDR5 across four slots, offers four M.2 connectors and four SATA 6 Gb/s ports, and the 850 W PSU has headroom for a stronger GPU.
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