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Black mid-tower with tempered glass side panel and ARGB lighting

Adamant Custom

Adamant Custom 24-Core Ultra 9 285K 128GB DDR5 1TB NVMe RTX 5090 gaming PC

SKU CH-8QJW-BMQP6

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 1TB NVMe and an RTX 5090 32GB GPU, liquid-cooled in a tempered-glass tower running Windows 11 Pro

  • 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 Ultra 9 285K reaches 5.70 GHz for heavy rendering
  • 128GB DDR5 handles large AI datasets and multitasking
  • RTX 5090 32GB accelerates 3D modelling and deep learning
  • 1TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 360mm liquid cooling keeps sustained workloads quiet

24-Core Workstation for AI and Rendering

This desktop pairs a 24-core Intel Core Ultra 9 285K with 128GB of DDR5 memory and an Nvidia GeForce RTX 5090 32GB GPU. The configuration targets professionals running local AI inference, complex 3D rendering, and multi-application workloads that demand high thread counts and large video memory. A 360mm liquid cooler keeps the processor stable under sustained load.

Samsung 990 PRO SSD and 1200W Gold PSU

The 1TB Samsung 990 PRO PCIe 4.0x4 drive delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s, reducing project load times and texture streaming bottlenecks. The Thermaltake Toughpower 1200W 80 PLUS Gold unit provides certified efficiency headroom for the 5090 and 24-core CPU combination, with Japanese main capacitors and full protection circuits.

PCIe 4.0 Storage Ceiling and Mid-Tower Constraints

The Z890 motherboard wires its M.2 slots to PCIe 4.0 lanes, capping any current or future NVMe drive at the 990 PRO's 7450 MB/s read ceiling; PCIe 5.0 storage cannot operate at its rated speed on this platform. The Ceres 300 mid-tower fits the 360mm radiator and RTX 5090, but its 475mm depth and 245mm width leave no room for a second full-length graphics card or additional 3.5-inch drive bays beyond the single convertible bay.

Highlights

  • 24-core Ultra 9 285K reaches 5.70 GHz for heavy rendering
  • 128GB DDR5 handles large AI datasets and multitasking
  • RTX 5090 32GB accelerates 3D modelling and deep learning
  • 1TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 360mm liquid cooling keeps sustained workloads quiet

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
SSD1TB NVMe
HDDNo
Operating SystemWindows 11 Pro
Form FactorTower
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 often will the liquid-cooling loop on the Core Ultra 9 285K need refilling?

The 360 mm AIO is a sealed unit that does not require refilling; only the 140 mm case fans may need dust cleaning over time.

Which component hits its thermal limit first when the RTX 5090 and 24-core CPU run flat-out?

The GPU 32 GB VRAM and CPU 36 MB L3 cache share the 1200 W PSU headroom; sustained loads will throttle the GPU first.

What is the combined noise level of the 140 mm fans and AIO pump during an all-day render?

Each 140 mm fan runs at 1500 rpm rated 30 dBA; the Quiet Edition pump adds minimal noise, keeping total output low.

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