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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

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 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.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $10,361.99
Pricier than about 92% of the 24,925 comparable items (median $2,694.99).
RAM capacity 192 GB DDR5
Higher than about 95% of the 24,338 comparable items (median 32 GB).
SSD storage 8 TB NVMe
Higher than about 99% of the 24,468 comparable items (median 2 TB).

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Year of release2026
Product typeBusiness Desktops & Workstations
Recommended useWorkstation
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900 × 3D
CPU socketAM5
Memory
RAM capacity192 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage8 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
GPU interfacePCI Express x16
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 7
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11be Wireless LAN
Bluetooth support5.4
Ports & slots
Ethernet port1 port
Size & build
Form factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

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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