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

Adamant Custom

Adamant Custom Core Ultra 9 285K RTX 5090 192GB DDR5 2TB NVMe Gaming PC

SKU CH-EC35-ZHX0S

A 24-core Intel Core Ultra 9 285K and RTX 5090 32GB desktop with 192GB DDR5, 2TB NVMe, liquid cooling and Wi-Fi 7 for rendering, AI workloads and 4K gaming

  • CPU TypeIntel Core Ultra 9 (Series 2)
  • CPU NameIntel Core Ultra 9 285K
  • CPU Socket TypeLGA 1851
  • GPU/VGA TypeGeForce RTX 5090
  • Memory Capacity192GB DDR5
  • Memory Slots (Available/Total)4 total
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy multitasking
  • RTX 5090 with 32 GB video memory drives 4K and AI workloads
  • 192 GB DDR5 memory handles large datasets and complex scenes
  • 2 TB Samsung 990 PRO NVMe reads up to 7450 MB/s for fast asset loading
  • 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak performance

Built for 24-core workloads

This desktop pairs a 24-core Intel Core Ultra 9 285K with 192GB DDR5 and an Nvidia GeForce RTX 5090 32GB GPU. Liquid cooling keeps the processor stable under sustained rendering, modelling or AI learning tasks. Windows 11 Pro ships pre-installed on a 2TB Samsung 990 PRO NVMe drive.

192 GB DDR5 maximum

The Z890 motherboard offers four slots and is already populated to its 192 GB limit with high-performance DDR5. No further memory can be added without removing existing modules. Buyers who need more capacity must choose a different platform.

1200 W Gold PSU and Wi-Fi 7

A Thermaltake Toughpower 1200W 80 PLUS Gold unit powers the GPU and CPU with Japanese main capacitors and quiet 140mm cooling. The board includes Intel 2.5Gb Ethernet, Wi-Fi 7 2x2 and Bluetooth 5.4 plus Thunderbolt 4 and multiple 20Gbps and 10Gbps USB ports.

Highlights

  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy multitasking
  • RTX 5090 with 32 GB video memory drives 4K and AI workloads
  • 192 GB DDR5 memory handles large datasets and complex scenes
  • 2 TB Samsung 990 PRO NVMe reads up to 7450 MB/s for fast asset loading
  • 360 mm liquid cooler and 1200 W 80 PLUS Gold PSU sustain peak performance

Specifications

CPU TypeIntel Core Ultra 9 (Series 2)
CPU NameIntel Core Ultra 9 285K
CPU Socket TypeLGA 1851
GPU/VGA TypeGeForce RTX 5090
Memory Capacity192GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD2TB NVMe
HDDNo
Operating SystemWindows 11 Pro
Form FactorDesktop
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

What does the 24-core Intel Core Ultra 9 285K at 3.7 GHz deliver in a real build?

The 24-core processor reaches 5.70 GHz boost with 36 MB L3 cache, giving strong multi-thread throughput for rendering, modelling and AI workloads while the 360 mm liquid cooler keeps thermals in check.

How does the Thunderbolt 4 Type-C port limit external device speed?

The rear Thunderbolt 4 Type-C runs at up to 40 Gbps, so attached NVMe enclosures or docks are capped by that interface rather than the drive's own 7450 MB/s read potential.

What clearance does the 360 mm liquid cooler and RTX 5090 need inside the Ceres 300 case?

The case measures 475 mm deep, 245 mm wide and 463 mm high with front and rear 140 mm fans, providing room for the 360 mm radiator and the dual-slot RTX 5090 without interfering with the four M.2 slots or four SATA ports.

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