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Black tempered-glass desktop tower with liquid cooling visible inside

Adamant Custom

Adamant Custom 20-Core Core Ultra 7 265K 128GB DDR5 4TB NVMe 10TB HDD RTX PRO 2000 Blackwell Business Desktop

SKU CH-SD66-QXZS5

Business workstation with a 20-core Intel Core Ultra 7 265K, 128GB DDR5, 4TB NVMe SSD, 10TB HDD and Nvidia RTX PRO 2000 Blackwell graphics

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • UsageWorkstation
  • ColorBlack
  • Ethernet2.5G Ethernet
  • 20-core Core Ultra 7 265K drives heavy multitasking
  • 128GB DDR5 handles large datasets smoothly
  • 4TB NVMe SSD loads projects fast
  • 10TB HDD stores massive asset libraries
  • RTX PRO 2000 Blackwell 16GB powers professional visualisation

20-Core AI Workstation

The Adamant Custom desktop pairs a 20-core Intel Core Ultra 7 265K processor with 128GB of DDR5 memory and an Nvidia RTX PRO 2000 Blackwell graphics card. It ships with Windows 11 Pro 64-bit and is configured for SolidWorks CAD modelling and AI-accelerated workloads.

Liquid-Cooled Z890 Platform

A 240mm liquid cooler manages CPU thermals inside a Corsair 4000D chassis powered by an 850W 80 PLUS Bronze supply. The Z890-PLUS TUF motherboard provides Thunderbolt 4, Wi-Fi 7, Bluetooth5.4, four M.2 slots and four SATA ports for the included 4TB NVMe SSD and 10TB hard drive.

30MB Cache 5.50GHz Boost Upgrade

The Core Ultra 7 265K delivers 20 threads with 30MB L3 cache and up to 5.50GHz maximum turbo frequency. The RTX PRO 2000 Blackwell adds 16GB VRAM for professional visualisation. Builders who need more than 192GB total memory or multiple GPU slots should verify motherboard limits before ordering.

Highlights

  • 20-core Core Ultra 7 265K drives heavy multitasking
  • 128GB DDR5 handles large datasets smoothly
  • 4TB NVMe SSD loads projects fast
  • 10TB HDD stores massive asset libraries
  • RTX PRO 2000 Blackwell 16GB powers professional visualisation

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
UsageWorkstation
ColorBlack
Ethernet2.5G Ethernet
MonitorMonitor not included
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro 64-bit
AI FeaturesAI Ready
CPU TypeIntel Core Ultra 7
CPU NameIntel Core Ultra 7 265K
CPU Socket TypeLGA 1851
GPU/VGA TypeNvidia RTX PRO 2000 Blackwell
Graphics InterfacePCI Express x16
Virtual Reality ReadyYes
Memory Capacity128GB DDR5
Maximum Memory Supported192 GB
SSD4TB NVMe
HDD10TB
Optical Drive TypeNo
Screen SizeNo Screen
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11be Wireless LAN
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
RJ451 port

Questions about this item

How long can the 240 mm liquid cooler keep the 20-core Core Ultra 7 265K at full boost before it throttles?

The 240 mm Quiet Edition AIO is rated to handle the 20-core CPU under sustained load, but exact thermal throttle time depends on ambient temperature and case airflow.

What is the typical noise level of the 140 mm PSU fan and the AIO pump when the system runs all day?

The Thermaltake 850 W PSU uses a 140 mm ultra-quiet fan and the AIO is a Quiet Edition model; both are designed for low noise during continuous operation.

Does the Z890-PLUS TUF motherboard require a separate Wi-Fi antenna kit for WiFi7 to function?

The motherboard includes WiFi7 2x2 and Bluetooth5.4; antenna connectors are on the rear I/O and antennas are typically supplied with the board.

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