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Black mid-tower gaming desktop with tempered glass side panel and liquid cooling visible inside

Adamant Custom

Adamant Custom i9-14900K RTX 5090 128GB DDR5 4TB NVMe gaming PC

SKU CH-NJQ5-QG8TK

A 24-core Intel Core i9-14900K and RTX 5090 desktop with 128GB DDR5, 4TB NVMe SSD, liquid cooling and Windows 11 Pro

  • Release Year2026
  • Form FactorMid Tower
  • AI FeaturesAI Ready
  • ColorBlack
  • Cooling SystemLiquid Cooling
  • Operating SystemWindows 11 Pro
  • 24-core Intel Core i9-14900K handles heavy multitasking and rendering
  • 128GB DDR5 memory supports large datasets and complex simulations
  • GeForce RTX 5090 32GB GPU accelerates AI learning and high-fidelity graphics
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds for fast asset loading
  • 360mm liquid cooler keeps the CPU quiet under sustained 6.00 GHz boost clocks

Built for intensive creative workloads

This desktop pairs a 24-core Intel Core i9-14900K with an Nvidia GeForce RTX 5090 32GB GPU and 128GB DDR5 memory. It targets professionals who need sustained multi-threaded compute for rendering, modelling or AI training alongside high-end gaming performance. Buyers who only need mainstream office or entry-level gaming will find the specification excessive.

Mid-tower chassis with liquid CPU cooling

The Antec P20 case measures 469 x 220 x 490 mm and includes three 120 mm front fans plus dust filters on bottom, front and top. A 360 mm quiet-edition AIO cooler handles the CPU thermal load, while the 1200 W 80 PLUS Gold PSU with a 140 mm fan powers the build. Four M.2 slots and two 3.5"/2.5" bays remain available for future storage expansion.

Windows 11 Pro and high-speed connectivity included

The system ships with a clean Windows 11 Pro 64-bit installation and no bloatware. Rear I/O provides two USB Type-C, two USB 3.2 Gen 2 and four USB 3.2 Gen 1 ports; internal headers add one USB 3.2 Gen 2 Type-C, one USB 3.2 Gen 1 and two USB 2.0 connections. Networking uses Intel 2.5Gb Ethernet, Wi-Fi 6 and BLUETOOTH 5.2, while Realtek 7.1 surround sound handles audio.

Highlights

  • 24-core Intel Core i9-14900K handles heavy multitasking and rendering
  • 128GB DDR5 memory supports large datasets and complex simulations
  • GeForce RTX 5090 32GB GPU accelerates AI learning and high-fidelity graphics
  • 4TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s read speeds for fast asset loading
  • 360mm liquid cooler keeps the CPU quiet under sustained 6.00 GHz boost clocks

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 Capacity128GB 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

Will the 360 mm liquid cooler keep the 14900K under control during long rendering sessions?

The 360 mm Quiet Edition AIO is designed to handle the 24-core 14900K at its 6.00 GHz boost, moving heat away from the CPU continuously during sustained workloads.

How loud is the system when the RTX 5090 and CPU are both at full load for hours?

The 360 mm AIO uses a low-noise pump and fans, while the Thermaltake 1200 W Gold PSU runs a 140 mm fan rated for ultra-quiet operation, keeping overall acoustics low even under heavy combined load.

Does the PC ship with Windows 11 Pro already activated and bloatware-free?

Windows 11 Pro 64-bit comes pre-installed, activated and without bloatware so the workstation is ready for AI, rendering or gaming immediately.

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