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
Gaming desktop with 24-core Intel Core Ultra 9 285K, 192GB DDR5, 2TB NVMe SSD, 10TB HDD and RTX 5070 graphics
This desktop combines a 24-core Intel Core Ultra 9 285K processor with 192GB of DDR5 memory and an Nvidia GeForce RTX 5070 graphics card. A 2TB NVMe SSD and a 10TB hard drive provide fast boot and deep archive capacity. The system targets creators and engineers who need sustained multi-thread throughput and GPU acceleration in a single chassis.
A 360mm quiet-edition AIO cooler handles the CPU thermal load while a 140mm PSU fan keeps the Thermaltake Smart 850W 80 PLUS Bronze unit running at low noise. The Corsair 4000D case directs airflow from front intake to rear exhaust. Under typical mixed workloads the liquid loop and case fans maintain low acoustic levels without aggressive rpm ramps.
During extended rendering or compute sessions the 360mm radiator dissipates heat from the 24-core CPU continuously, avoiding the throttling seen on shorter air-cooled bursts. The 850W Bronze supply delivers stable power to the RTX 5070 and all drives through over-voltage, under-voltage and short-circuit protection. Motherboard VRM cooling and case airflow keep platform temperatures steady over multi-hour runs.
| 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 | 192GB 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 |
Mount the 360 mm radiator in the Corsair 4000D case, connect the pump to the CPU_FAN header on the Gigabyte Z890 UD motherboard, then plug the three 140 mm fans into the AIO_FAN or SYS_FAN headers so speed control works.
The 140 mm fans on the 360 mm AIO and the 140 mm fan inside the Thermaltake Smart 850W PSU are the only moving parts rated for wear; the 10 TB HDD with 256 MB cache may also need replacement before the solid-state drives.
The 360 mm Quiet Edition AIO reaches its heat-dissipation ceiling before the 850 W 80 PLUS Bronze PSU hits its 850 W limit, so coolant temperature becomes the first bottleneck.
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