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Black mid-tower gaming desktop with tempered glass side panel and liquid cooling visible

Adamant Custom

Adamant Custom 24-Core Ultra 9 285K 128GB DDR5 4TB NVMe 10TB HDD RTX 5090 Gaming PC

SKU CH-DKQT-BQQSX

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 4TB NVMe, 10TB HDD and RTX 5090 32GB GPU for rendering, AI and high-end gaming

  • CPU TypeIntel Core Ultra 9 (Series 2)
  • CPU NameIntel Core Ultra 9 285K
  • CPU Socket TypeLGA 1851
  • GPU/VGA TypeGeForce RTX 5090
  • Memory Capacity128GB DDR5
  • Memory Slots (Available/Total)4 total
  • 24-core Intel Core Ultra 9 285K powers heavy rendering and AI workloads
  • 128GB DDR5 memory handles large datasets and multitasking with headroom to 192GB
  • 4TB NVMe SSD delivers up to 7450 MB/s read and 6900 MB/s write speeds
  • RTX 5090 32GB GPU accelerates 3D modelling, editing and AI learning
  • 10TB HDD with 256MB cache provides massive bulk storage for projects

Built for 24-core rendering and AI workloads

This desktop pairs a 24-core Intel Core Ultra 9 285K with 128GB of DDR5 memory and an Nvidia GeForce RTX 5090 32GB graphics card. It targets creators and engineers who need sustained multi-threaded performance for modelling, editing and AI learning tasks. The system ships with Windows 11 Pro installed and includes a 4TB NVMe SSD plus a 10TB hard drive for high-capacity storage.

360mm liquid cooler keeps the 24-core CPU quiet

A 360mm Quiet Edition AIO handles the Ultra 9 285K under load while front-mounted 140mm PWM fans move air through the tempered-glass mid-tower. The 1200W 80 PLUS Gold power supply delivers stable power with Japanese capacitors and protections for over-voltage, under-voltage, over-power and short-circuit events. Noise stays low even during extended rendering sessions.

Z890 motherboard with Wi-Fi 7 and USB4 rear I/O

The Gigabyte Z890 Eagle board provides four M.2 slots, four SATA 6Gb/s ports with RAID support, 2.5Gbps Ethernet and Wi-Fi 7 2x2 with Bluetooth 5.4. Rear I/O includes a USB4 Type-C port, two USB 3.2 Gen 2, three USB 3.2 Gen 1 and four USB 2.0 connectors. Internal front-panel headers add a USB 3.2 Gen 2x2 Type-C, two USB 3.0 and audio jacks for case connectivity.

Highlights

  • 24-core Intel Core Ultra 9 285K powers heavy rendering and AI workloads
  • 128GB DDR5 memory handles large datasets and multitasking with headroom to 192GB
  • 4TB NVMe SSD delivers up to 7450 MB/s read and 6900 MB/s write speeds
  • RTX 5090 32GB GPU accelerates 3D modelling, editing and AI learning
  • 10TB HDD with 256MB cache provides massive bulk storage for projects

Specifications

CPU TypeIntel Core Ultra 9 (Series 2)
CPU NameIntel Core Ultra 9 285K
CPU Socket TypeLGA 1851
GPU/VGA TypeGeForce RTX 5090
Memory Capacity128GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD4TB NVMe
HDD10TB
Operating SystemWindows 11 Pro
Form FactorMid Tower
Release Year2026
AI FeaturesAI Ready
ColorBlack
Cooling SystemLiquid Cooling
Windows 11Ready
LAN Speed2.5Gbps
WiFi GenerationWi-Fi 7
LAN ChipsetIntegrated
WLAN802.11be Wireless LAN
BluetoothBluetooth 5.4
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
RJ451 port

Questions about this item

How is the 360 mm liquid cooler mounted inside the mid-tower case?

The 360 mm AIO radiator fits in the front of the Design North chassis using the two included 140 mm PWM fans, with tubing routed to the LGA 1851 cold plate on the Intel Core Ultra 9 285K.

What maintenance or replacement will the 1200 W 80 PLUS Gold PSU need later?

The PSU uses a high-quality Japanese main capacitor and an ultra-quiet 140 mm fan; under normal loads the fan bearings are the only part that may eventually require replacement.

Which limit appears first when the RTX 5090 32 GB runs sustained heavy workloads?

The GPU's 32 GB VRAM capacity is reached before the 1200 W PSU or the CPU liquid cooler hit their thermal or power ceilings.

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