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Black Corsair 4000D tower with tempered glass side panel and 240mm liquid cooler visible

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 192GB DDR5 2TB NVMe gaming PC

SKU CH-36KM-NTB84

A liquid-cooled workstation desktop with a 12-core Ryzen 9 9900X3D, RTX 5090 32GB GPU, 192GB DDR5 memory and a 2TB NVMe SSD for modelling, rendering and AI learning

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage2 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 handles large datasets and multitasking
  • RTX 5090 with 32 GB VRAM drives 4K rendering and AI tasks
  • 2 TB Samsung 990 PRO NVMe reads up to 7450 MB/s for fast asset loading
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

Built for modelling and AI workloads

This desktop workstation combines a 12-core AMD Ryzen 9 9900X3D processor with an Nvidia GeForce RTX 5090 graphics card. It ships with 192GB of DDR5 memory and a 2TB Samsung 990 PRO NVMe SSD. Windows 11 Pro is pre-installed on a liquid-cooled platform designed for rendering, video editing and machine-learning tasks.

PCI Express x16 and DDR5 ceiling

The graphics card occupies a single PCI Express x16 slot on the PRIME X870-P motherboard. System memory is capped at 192GB across four DDR5 slots, all of which are populated in this configuration. No additional DIMMs can be added without removing existing modules, and the board provides four M.2 connectors for further NVMe expansion.

192GB DDR5 decides fit

The 192GB memory capacity is the defining specification for buyers who need large datasets resident in RAM. Workloads that exceed this limit will require a different platform. Buyers who need less memory or a smaller form factor should look elsewhere.

How it compares

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

Price $9,540.99
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 2 TB NVMe
Typical for this category: the median of 24,468 items is 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 storage2 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 factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Should I pick the 192 GB DDR5 option or is there a smaller capacity that still hits the 128 MB L3 cache ceiling?

The board tops out at 192 GB across four slots and the Ryzen 9 9900X3D carries 128 MB L3 cache regardless of memory size, so the full kit is the only way to reach the platform maximum.

What does the 4.4 GHz base clock actually deliver once the CPU is under a sustained modelling load?

With the 240 mm liquid cooler the 12-core chip can boost up to 5.50 GHz, so heavy rendering threads run well above the 4.4 GHz floor while staying within thermal limits.

The GPU uses a PCI Express x16 slot — what bandwidth ceiling does that impose on the RTX 5090 32 GB?

The slot provides a full x16 electrical link, so the RTX 5090 32 GB operates at its native interface speed without any lane-width bottleneck.

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