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Black mid-tower gaming PC with tempered glass side panel, liquid cooling visible inside

Adamant Custom

Adamant Custom 24-Core Liquid Cooled i9-14900K RTX 5090 32GB DDR5 4TB NVMe Gaming PC

SKU CH-76ST-3HNZ4

A liquid-cooled gaming desktop with a 24-core Intel Core i9-14900K, 32GB DDR5, 4TB NVMe SSD and an RTX 5090 32GB graphics card in a tempered-glass mid-tower

  • Release Year2026
  • Form FactorMid Tower
  • AI FeaturesAI Ready
  • ColorBlack
  • Cooling SystemLiquid Cooling
  • Operating SystemWindows 11 Pro
  • 24-core Intel Core i9-14900K delivers up to 6.00 GHz for heavy workloads
  • 360 mm liquid cooler keeps the CPU quiet under full load
  • RTX 5090 with 32 GB VRAM drives 4K and AI tasks
  • 4 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 32 GB DDR5 and Wi-Fi 6 ready for modern gaming

24-Core Liquid Cooled Desktop

This system is built around a 24-core Intel Core i9-14900K processor and an Nvidia GeForce RTX 5090 graphics card with 32GB of video memory. It targets enthusiasts and professionals who need high multi-threaded compute and top-tier rasterisation performance in a single mid-tower chassis.

Pre-Assembled Loop And Component Access

The PC arrives fully assembled with a 360mm AIO liquid cooler already mounted to the LGA 1700 socket, so no cooler installation is required. The Corsair 4000D case provides tool-less side panels and front dust filters, but the 360mm radiator occupies the top mount, limiting additional radiator options for custom loop expansions.

Sustained Load Thermal And Power Behaviour

Under continuous heavy workloads the 1200W 80 PLUS Gold power supply delivers stable power to the CPU and GPU while the 360mm Quiet Edition AIO manages CPU heat. The 140mm PSU fan and case airflow maintain internal temperatures, though the 24-core CPU and RTX 5090 combination will generate significant sustained heat that the single 360mm radiator must dissipate.

Highlights

  • 24-core Intel Core i9-14900K delivers up to 6.00 GHz for heavy workloads
  • 360 mm liquid cooler keeps the CPU quiet under full load
  • RTX 5090 with 32 GB VRAM drives 4K and AI tasks
  • 4 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 32 GB DDR5 and Wi-Fi 6 ready for modern gaming

Specifications

Release Year2026
Form FactorMid Tower
AI FeaturesAI Ready
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeIntel Core i9 14th Gen
CPU NameIntel Core i9-14900K
CPU Socket TypeLGA 1700
GPU/VGA TypeGeForce RTX 5090
Memory Capacity32GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD4TB NVMe
HDDNo
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6
BluetoothBluetooth 5.2
RJ451 port

Questions about this item

How can I confirm the liquid cooler is running properly after I power on the system?

The 360mm AIO Quiet Edition cooler should show pump and fan activity in the BIOS or monitoring software, and CPU temperatures under load should stay well below the 6.00 GHz thermal limits.

What components are included and is any extra hardware needed for first boot?

The PC ships fully assembled with the Corsair 4000D case, Z790 PRIME motherboard, i9-14900K, 32GB DDR5, 4TB Samsung 990 PRO SSD, RTX 5090 32GB, 1200W Gold PSU, Windows 11 Pro, Wi-Fi 6 and BLUETOOTH 5.2 — no extra parts are required.

Which memory configuration should I choose if I want to expand later?

The board has four DDR5 slots with 32GB installed and supports up to 192GB total, so you can add three more matching DDR5 modules when needed.

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