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Black mid-tower desktop with tempered glass side panel, visible liquid cooler and RTX 5080 graphics card

Adamant Custom

Adamant Custom 20-Core Ultra 7 265K RTX 5080 128GB DDR5 1TB NVMe Gaming PC

SKU CH-FQBG-KKJCX

A liquid-cooled desktop with a 20-core Intel Core Ultra 7 265K, 128GB DDR5, 1TB NVMe SSD and an Nvidia GeForce RTX 5080 16GB GPU for high-end gaming and AI workloads

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageWork / Business
  • ColorBlack
  • 20-core Intel Core Ultra 7 265K handles heavy multi-threaded workloads
  • 128GB DDR5 memory supports large datasets and multitasking
  • RTX 5080 16GB GPU accelerates rendering and AI tasks
  • 1TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds
  • 240mm liquid cooler keeps CPU temperatures low under load

20-Core Ultra 7 Workstation

The Adamant Custom desktop pairs a 20-core Intel Core Ultra 7 265K processor with 128GB of DDR5 memory and an Nvidia GeForce RTX 5080 graphics card. It targets professionals who need high multi-thread throughput for rendering, modelling and AI learning workloads alongside gaming capability. The system ships with Windows 11 Pro on a 1TB Samsung 990 PRO NVMe drive.

Liquid Cooling and 1000W PSU

A 240mm quiet-edition AIO liquid cooler handles the CPU while a Thermaltake Toughpower 1000W 80 PLUS Gold supply with a 140mm fan delivers power. The PSU uses Japanese main capacitors and includes over-voltage, under-voltage, over-power and short-circuit protection. The Corsair 4000D case provides airflow through its tempered-glass panels.

Z890 Connectivity and Storage Ready

The Z890 TUF motherboard adds Thunderbolt 4, USB 20Gbps and 10Gbps ports, Intel 2.5Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4. Four M.2 slots and four SATA ports remain open for extra drives, and the board supports up to 192GB of DDR5 across four slots. No bloatware is pre-installed.

Highlights

  • 20-core Intel Core Ultra 7 265K handles heavy multi-threaded workloads
  • 128GB DDR5 memory supports large datasets and multitasking
  • RTX 5080 16GB GPU accelerates rendering and AI tasks
  • 1TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds
  • 240mm liquid cooler keeps CPU temperatures low under load

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
AI FeaturesAI Ready
UsageWork / Business
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core Ultra 7
CPU NameIntel Core Ultra 7 265K
CPU Socket TypeLGA 1700
GPU/VGA TypeGeForce RTX 5080
Memory Capacity128GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD1TB NVMe
HDDNo
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
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 do I install the 240 mm AIO liquid cooler on the LGA 1851 socket, and what step is often missed?

Mount the back-plate for LGA 1851, apply paste, secure the cold-plate with the four spring screws in a cross pattern, then connect the pump header and both fan headers — skipping the pump header leaves the cooler running at minimum speed.

Which components in this PC will need replacement or maintenance first?

The 240 mm AIO pump and 140 mm radiator fan are the only moving parts; plan to inspect the fan for dust every six months and expect the pump to reach end-of-life after several years of continuous operation.

What limit appears first when the Core Ultra 7 265K and RTX 5080 run sustained workloads?

The 240 mm radiator and 140 mm fan cap the heat the liquid can reject, so CPU and GPU clocks will throttle once the coolant hits its thermal ceiling under prolonged full-load rendering or AI training.

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