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Black tower desktop with tempered glass side panel and liquid cooling radiator visible inside

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 12-Core Liquid Cooled Gaming PC 64GB DDR5 2TB NVMe

SKU CH-RVBX-NX3B5

Liquid-cooled desktop with 12-core Ryzen 9 9900X3D, 64GB DDR5, 2TB NVMe and integrated Radeon graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsIntegrated Graphics
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 360 mm liquid cooler keeps the CPU quiet under load
  • 64 GB DDR5 with four slots supports up to 192 GB total
  • 2 TB Samsung 990 PRO SSD delivers 7450 MB/s reads
  • Wi‑Fi 7 and Bluetooth 5.4 give fast wireless connectivity

Custom Ryzen 9 9900X3D Gaming Desktop

This liquid-cooled desktop PC ships with a 12-core AMD Ryzen 9 9900X3D processor, 64GB of DDR5 memory and a 2TB NVMe SSD. It runs Windows 11 Pro and uses integrated Radeon graphics for display output. The system is built for users who want a ready-to-run workstation or gaming rig without adding a discrete card.

Ideal for CPU-heavy workloads

Buyers who need high frame rates at 1440p or 4K, or who rely on hardware ray-tracing acceleration, should look at a system with a dedicated graphics card. The integrated GPU also limits multi-monitor setups beyond the available HDMI and USB4 ports.

12-core Ryzen 9 9900X3D with 128 MB L3 cache

The processor provides 12 cores and 24 threads with a 4.3 GHz base clock and up to 5.50 GHz boost. Its large 128 MB L3 cache is the key spec that drives gaming and compilation performance on this platform.

How it compares

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

Price $2,686.99
Typical for this category: the median of 24,925 items is $2,694.99.
RAM capacity 64 GB DDR5
Higher than about 60% 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 colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9900 × 3D
CPU socketAM5
Memory
RAM capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsIntegrated Graphics
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

What USB standard do the rear USB4 ports use, and what is their maximum throughput?

The motherboard provides two rear USB4 ports, each rated at 40 Gbps.

What are the case dimensions and which motherboard form factor does it support?

The chassis measures 447 mm deep, 215 mm wide and 469 mm high and fits an ATX board.

How is the CPU cooler mounted, and which step is often missed?

The 360 mm AIO radiator screws to the case fan mounts; the pump block then fastens to the AM5 socket using the supplied back-plate and standoffs — forgetting the back-plate is the common error.

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