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Black tower PC with tempered glass side panel and ARGB fans

Adamant Custom

Adamant Custom TUF X870 Ryzen 9 9900X3D 192GB DDR5 8TB NVMe RTX 5090 gaming PC

SKU CH-115C-W5BR2

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

  • 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 workloads
  • 192 GB DDR5 memory handles large datasets without swapping
  • 8 TB NVMe storage via two Samsung 990 PRO drives at 7450 MB/s read
  • RTX 5090 32 GB GPU accelerates rendering and AI training
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

Workstation Gaming Desktop

This Adamant Custom tower combines a 12-core AMD Ryzen 9 9900X3D processor with 192GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. It ships with Windows 11 Pro installed and uses a 240mm liquid cooler for the CPU. The system is built for professional modelling, video editing, rendering and AI learning workloads alongside high-end gaming.

192GB DDR5 Memory Capacity

The motherboard provides four slots and the configuration already reaches the maximum supported capacity of 192GB. No further memory upgrades are possible without replacing the installed modules. This density suits large dataset processing, complex simulations and heavy multitasking that exceed typical consumer limits.

X870 Platform Connectivity

The TUF X870-PLUS motherboard supplies rear USB4 ports at 40Gbps, multiple 10Gbps and 5Gbps USB connections, Intel 2.5Gb Ethernet and Wi-Fi 7 wireless. Internal headers include a 20Gbps USB connector, SATA ports and four M.2 slots, two of which are occupied by the 4TB Samsung 990 PRO drives. The 1200W 80 PLUS Gold power supply delivers stable power for the complete build.

How it compares

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

Price $9,394.99
Pricier than about 91% 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

What does the 5.50 GHz boost clock on the Ryzen 9 9900X3D mean for my workloads?

The 12-core CPU can reach 5.50 GHz on light or bursty tasks, while its 128 MB L3 cache keeps gaming and modelling data close to the cores for lower latency.

How fast can the rear USB4 ports actually move data?

Each USB4 Type-C port is rated at 40 Gbps, so large project files or GPU-backed transfers hit that ceiling instead of the older 10 Gbps or 5 Gbps ports.

Will the 240 mm liquid cooler and case fans fit inside the CoolerMaster HAF 500?

Yes — the 240 mm AIO mounts in the case, which also holds front 200 mm ARGB fans, a rear 120 mm ARGB fan and a dedicated 120 mm GPU fan.

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