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 14-core desktop with 32GB DDR5, 8TB NVMe storage and RTX 5060 graphics for gaming and creative work
This desktop is built around a 14-core Intel Core Ultra 5 245K processor with a 4.2 GHz base frequency and up to 5.20 GHz boost. It targets gamers and creators who need strong single-thread speed and multi-core throughput in a ready-to-use Windows 11 Pro system. The Z890 motherboard provides four DDR5 slots and four M.2 connectors for future expansion. Buyers who need more than 32 GB of memory out of the box should look elsewhere.
A 240 mm quiet-edition liquid cooler handles the CPU while two 140 mm front fans and one 140 mm rear fan run at 1500 rpm and 30 dBA each. The Thermaltake Smart 750W 80 PLUS Bronze PSU uses Japanese main capacitors and delivers over-voltage, under-voltage, over-power and short-circuit protection. This cooling and power combination supports the configured components without extra headroom for heavily overclocked builds.
Two 4 TB Samsung 990 PRO PCIe 4.0 x4 drives provide 8 TB total capacity with sequential reads up to 7450 MB/s and writes up to 6900 MB/s. The Z890 board exposes four M.2 slots so all drives connect directly to the CPU lanes. Users who require additional 3.5-inch hard-drive bays beyond the single convertible bay will need a different chassis.
| 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 5 |
| CPU Name | Intel Core Ultra 5 245K |
| CPU Socket Type | LGA 1700 |
| GPU/VGA Type | GeForce RTX 5060 |
| Memory Capacity | 32GB DDR5 |
| Memory Slots (Available/Total) | 4 total |
| Maximum Memory Supported | 192 GB |
| SSD | 8TB 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 |
Attach the supplied LGA 1851 bracket to the pump block, apply paste, seat the block evenly, then connect the pump header and route the radiator fans to the CPU fan header so speed follows coolant temperature.
The 32 GB DDR5 kit can be expanded to 192 GB across the four slots; the 750 W PSU and 240 mm AIO are rated for continuous load and typically outlast the warranty period.
The 240 mm radiator surface area saturates first, causing coolant temperature to rise until the CPU hits its thermal junction limit and throttles clocks.
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