DELL OptiPlex All-in-One 7420 7DX9X Core i5-14500 16GB 256GB 23.8" all-in-one PC
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Adamant Custom
A 20-core liquid-cooled desktop with 32GB DDR5, 4TB NVMe, 10TB HDD and an RTX 5090 GPU for gaming and AI workloads
The Adamant Custom desktop is a 20-core liquid-cooled workstation built around an Intel Core Ultra 7 265K processor and an Nvidia GeForce RTX 5090 graphics card with 32 GB of video memory. It ships with 32 GB of DDR5 RAM, a 4 TB NVMe SSD and a 10 TB hard drive, targeting creators and gamers who need high multi-threaded throughput and large local storage in a single Windows 11 Pro machine.
A 240 mm quiet-edition AIO cooler handles the CPU while three 120 mm front fans and a 140 mm PSU fan move air through the Antec P20 mid-tower case. The Thermaltake Toughpower 1000 W 80 PLUS Gold supply uses Japanese main capacitors and includes over-voltage, under-voltage, over-power and short-circuit protection. Dust filters on the bottom, front and top panels help maintain airflow over time.
Under prolonged workloads the liquid loop keeps the 20-core processor near its 5.50 GHz boost ceiling while the 30 MB L3 cache feeds the RTX 5090 without throttling. The Samsung 990 PRO SSD delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s across the PCIe 4.0 x4 interface. Wi-Fi 7 and Bluetooth 5.4 remain stable alongside the 2.5 Gb Ethernet link during extended transfers.
| Release Year | 2026 |
|---|---|
| Type | Gaming & Entertainment |
| Form Factor | Desktop |
| AI Features | AI Ready |
| Usage | Gaming |
| Color | Black |
| Cooling System | Liquid Cooling |
| Operating System | Windows 11 Pro |
| Windows 11 | Ready |
| CPU Type | Intel Core Ultra 7 |
| CPU Name | Intel Core Ultra 7 265K |
| CPU Socket Type | LGA 1700 |
| GPU/VGA Type | GeForce RTX 5090 |
| Memory Capacity | 32GB 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 |
The cooler arrives pre-fitted to the CPU on the LGA 1851 socket; the step builders sometimes skip is connecting the pump header and the two 120 mm radiator fans to the motherboard so the curve controls coolant temperature.
The sealed AIO requires no refill, but dust should be cleared from the radiator fins every 6–12 months; the mechanical HDD will eventually wear out and should be backed up and replaced after several years of heavy use.
The 240 mm radiator typically saturates before the 1000 W PSU or the CPU turbo ceiling, so coolant temperature becomes the limiting factor during prolonged heavy workloads.
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