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 24-core desktop with 32 GB DDR5, 4 TB NVMe storage and an RTX 5070 Ti graphics card for gaming and creative work
The Adamant Custom system pairs a 24-core Intel Core Ultra 9 285K processor with 32GB of DDR5 memory and a 4TB NVMe SSD. A GeForce RTX 5070 Ti graphics card with 16GB of video memory drives high-resolution gameplay and creative workloads. Windows 11 Pro is pre-installed on the 4TB Samsung 990 PRO drive. The mid-tower chassis uses a 360mm liquid cooler for the CPU.
The 360mm quiet-edition AIO cooler handles the CPU while front and rear 140mm case fans run at 1500rpm with a listed 30dBA level. A Thermaltake Smart 850W 80 PLUS Bronze power supply delivers power with Japanese main capacitors and protections for over-voltage, under-voltage, over-power and short-circuit events. The case measures 475 x 245 x 463 mm and includes tempered glass panels.
Under continuous load the liquid cooler maintains CPU temperatures while the case fans preserve airflow through the mid-tower layout. The Z890 TUF motherboard provides four M.2 slots and four SATA ports for storage expansion up to the 192GB memory ceiling. Connectivity includes Thunderbolt 4, USB 20Gbps and 10Gbps ports, Intel 2.5Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4. The system targets users who need workstation-class multi-thread performance alongside high-end gaming.
| 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 | Intel Core Ultra 9 (Series 2) |
| CPU Name | Intel Core Ultra 9 285K |
| CPU Socket Type | LGA 1851 |
| GPU/VGA Type | GeForce RTX 5070 Ti |
| Memory Capacity | 32GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 4TB 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 360 mm radiator mounts to the front of the Ceres 300 case using the two 140 mm fans supplied; the step often missed is connecting the pump header to the CPU_FAN socket on the Z890 motherboard so the pump runs at full speed.
The sealed 360 mm AIO requires no coolant refills; only the two 140 mm radiator fans (1500 rpm, 30 dBA) may need replacement after several years of continuous operation.
The Thermaltake Smart 850 W 80 PLUS Bronze PSU caps total system draw at 850 W, so combined CPU and GPU boost clocks will throttle first once that power ceiling is reached.
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