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

Adamant Custom

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

SKU CH-QE72-KYZ33

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

  • 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 drives heavy multitasking and rendering workloads
  • 128GB DDR5 memory handles large datasets and simultaneous applications without bottleneck
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for rapid asset loading
  • GeForce RTX 5090 32GB GPU accelerates AI training, 3D modelling and high-fidelity gaming
  • 360mm liquid cooler keeps the CPU stable under sustained full-load operation

Built for rendering, editing 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. A 4TB Samsung 990 PRO NVMe drive provides fast storage for large project files. The system targets professionals who need multi-threaded compute and GPU acceleration in a single workstation. It is not suited for buyers who only need everyday office performance or a compact living-room machine.

360mm liquid cooler and 1200W Gold PSU handle

A 360mm Quiet Edition AIO cooler keeps the CPU at stable temperatures during long renders. The Thermaltake Toughpower 1200W 80 PLUS Gold unit supplies clean power with over-voltage, under-voltage, over-power and short-circuit protection. Front dual 140mm PWM fans move air through the tempered-glass mid-tower chassis. Acoustic output stays low thanks to the cooler's quiet-edition pump and the PSU's ultra-quiet 140mm fan.

Z890 motherboard adds USB4.

The Gigabyte Z890 Eagle WIFI7 board supplies rear USB4 Type-C, multiple USB 3.2 Gen 2 and Gen 1 ports, plus 2.5Gbps Ethernet. Onboard Wi-Fi 7 2x2 and Bluetooth5.4 handle modern wireless peripherals. Four M.2 connectors and four SATA 6Gb/s ports with RAID 0, 1, 5, 10 support let you expand storage without add-in cards. Windows 11 Pro 64-bit ships clean with no bloatware.

Highlights

  • 24-core Intel Core Ultra 9 285K drives heavy multitasking and rendering workloads
  • 128GB DDR5 memory handles large datasets and simultaneous applications without bottleneck
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for rapid asset loading
  • GeForce RTX 5090 32GB GPU accelerates AI training, 3D modelling and high-fidelity gaming
  • 360mm liquid cooler keeps the CPU stable under sustained full-load operation

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
HDDNo
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 do I install the 360 mm liquid cooler and what step is commonly missed?

Mount the radiator to the case front using the included 140 mm fans, connect the pump header to the CPU_FAN socket on the Z890 EAGLE board, then plug the pump power into the PSU; the step often missed is setting the pump to full speed in BIOS so coolant flows before the CPU hits load.

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

The unit uses Japanese main capacitors rated for long life; under normal gaming loads no replacement is expected, but if fan noise rises after several years the 140 mm PSU fan can be swapped for a compatible PWM model.

What limit appears first during sustained 24-core rendering on the Ultra 9 285K?

The 360 mm Quiet Edition AIO reaches its thermal ceiling first; coolant temperature stabilises near the pump's maximum safe delta, causing the CPU to throttle from its 5.70 GHz boost to protect the 36 MB L3 cache and 24 cores.

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