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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 192GB DDR5 8TB NVMe RTX 5090 gaming PC

SKU CH-AH8C-25ZEH

A 12-core Ryzen 9 9900X3D workstation with 192GB DDR5, 8TB NVMe storage and an RTX 5090 32GB GPU for modelling, rendering and AI learning

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • AI FeaturesAI Ready
  • UsageWorkstation
  • ColorBlack
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy modelling
  • 192GB DDR5 handles large datasets and AI training workloads
  • 8TB NVMe storage from dual 4TB Samsung 990 PRO drives
  • RTX 5090 32GB accelerates rendering and AI learning tasks
  • 240mm liquid cooler keeps CPU temperatures low under sustained load

Core Configuration

This Adamant Custom tower workstation ships with a 12-core AMD Ryzen 9 9900X3D processor reaching 4.4GHz base clock with 5.50GHz boost and 128MB L3 cache. The system pairs 192GB DDR5 memory with an Nvidia Geforce RTX 5090 32GB graphics card on a PRIME X870-P motherboard. Liquid cooling handles the CPU while Windows 11 Pro 64-bit comes pre-installed.

Target Users & Limits

Content creators and AI researchers needing high thread counts and large VRAM for rendering or model training will find the 192GB RAM and 32GB GPU suitable. Builds requiring more than 192GB memory cannot upgrade further as the motherboard maximum is reached. Users without PCIe 4.0 NVMe workloads or 2.5Gb Ethernet needs may find the specification excessive for general office tasks.

Deciding Specification

The 192GB DDR5 capacity across four populated slots defines whether this workstation fits the workload. Memory cannot be expanded beyond this limit because the board maximum is reached and all slots are occupied. Buyers needing higher system memory must select a different platform.

Highlights

  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy modelling
  • 192GB DDR5 handles large datasets and AI training workloads
  • 8TB NVMe storage from dual 4TB Samsung 990 PRO drives
  • RTX 5090 32GB accelerates rendering and AI learning tasks
  • 240mm liquid cooler keeps CPU temperatures low under sustained load

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorTower
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
SSD8TB 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 is the 240 mm liquid CPU cooler installed, and which step do builders often miss?

The cooler mounts to the AM5 socket on the PRIME X870-P motherboard using the supplied bracket; the step often missed is removing the protective film from the cold-plate before securing the pump block.

What maintenance or replacement will the 192 GB DDR5 memory need later?

DDR5 modules are solid-state and require no scheduled replacement; only a failed stick would need swapping, and the board has four slots with all 192 GB already populated.

What limit appears first when the RTX 5090 32 GB runs sustained heavy workloads?

The 1200 W 80 PLUS Gold power supply sets the power ceiling; its over-power protection will trip before the GPU or CPU hit thermal limits.

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