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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 192GB DDR5 RTX 5090 1TB NVMe Gaming PC

SKU CH-FMCV-PT43X

A liquid-cooled workstation desktop with a 12-core Ryzen 9 9900X3D, 192GB DDR5, RTX 5090 32GB GPU and 1TB NVMe SSD for modelling, rendering and AI learning

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageWorkstation
  • ColorBlack
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 192 GB DDR5 handles large datasets and multitasking
  • RTX 5090 32 GB drives 4K gaming and AI tasks
  • 1 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240 mm liquid cooler keeps CPU temperatures low

12-Core Ryzen 9 Workstation

This Adamant Custom desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with 192GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. A 1TB Samsung 990 PRO NVMe drive provides primary storage. The system ships with Windows 11 Pro installed and uses a 240mm liquid cooler for the CPU.

Upgrade From Threaded Rendering Limits

The 12-core CPU with 128MB L3 cache and 192GB RAM capacity replace configurations that bottleneck on core count or memory bandwidth during modelling, video editing, and AI learning workloads. The RTX 5090 with 32GB VRAM replaces GPUs that run out of frame buffer at high resolutions. The jump is worth it when current projects exceed 64GB system memory or 16GB video memory.

Build Integration Requirements

The X870 motherboard supplies four M.2 slots, two SATA ports, and multiple USB headers including a 20Gbps front-panel connector. The 1200W 80 PLUS Gold power unit delivers stable current to the CPU and GPU. Front-panel I/O includes a USB 3.2 Gen 2x2 Type-C port, two USB 3.0 ports, and audio jacks. Internal bays accept two 3.5-inch and two 2.5-inch drives for additional storage. Wi-Fi 7 and 2.5Gb Ethernet handle network connectivity.

Highlights

  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 192 GB DDR5 handles large datasets and multitasking
  • RTX 5090 32 GB drives 4K gaming and AI tasks
  • 1 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240 mm liquid cooler keeps CPU temperatures low

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
AI FeaturesAI Ready
UsageWorkstation
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeAMD Ryzen 9 9000 Series
CPU NameAMD Ryzen 9 9900X3D
CPU Socket TypeAM5
GPU/VGA TypeGeForce RTX 5090
Graphics InterfacePCI Express x16
Memory Capacity192GB 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

What are the case dimensions and internal drive bays for the Adamant Custom Ryzen 9 9900X3D system?

The chassis measures 447 x 215 x 469 mm and provides two 3.5-inch and two 2.5-inch internal bays for additional storage.

How is the 240 mm liquid cooler mounted, and what step is often missed?

The cooler attaches to the AM5 socket using the supplied backplate; the step many builders skip is pre-installing the backplate before placing the motherboard in the case.

Which components may need replacement first in this workstation?

The 1200 W PSU and the 240 mm AIO pump are the parts most likely to require service after several years of continuous high-load operation.

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