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Adamant Custom

Adamant Custom Ryzen 9 9900X3D 12-Core Liquid Cooled 64GB DDR5 4TB NVMe Gaming PC

SKU CH-JCHR-70CSZ

A 12-core Ryzen 9 9900X3D desktop with 64 GB DDR5, a 4 TB NVMe drive and liquid cooling, ready for Windows 11 Pro gaming and AI workloads

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsIntegrated Graphics
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz with 128 MB L3 cache
  • 360 mm liquid cooler keeps the processor quiet under heavy load
  • 64 GB DDR5 memory expandable to 192 GB for demanding workloads
  • 4 TB Samsung 990 PRO NVMe delivers 7450 MB/s read and 6900 MB/s write
  • Wi-Fi 7 and Bluetooth 5.4 plus Intel 2.5 Gb LAN for fast connectivity

Ryzen 9 9900X3D liquid-cooled desktop

This gaming PC centres on a 12-core AMD Ryzen 9 9900X3D processor with a 360 mm liquid cooler. It ships with 64 GB of DDR5 memory and a 4 TB NVMe SSD, running Windows 11 Pro. The integrated Radeon graphics drive displays via HDMI and two USB4 ports, so the system suits creators and developers who need strong multi-threaded CPU performance without a discrete graphics card.

Check motherboard rear ports and cooler clearance

The TUF X870-PLUS motherboard provides two USB4 ports at 40 Gbps, three USB 10 Gbps ports, four USB 5 Gbps ports and one USB 2.0 port on the rear panel. Internal headers add a USB 20 Gbps connector, a USB 5 Gbps header and two USB 2.0 headers. Verify that your monitors and peripherals match these connections and that the 360 mm radiator fits your workspace, because the mid-tower case measures 469 mm deep by 220 mm wide by 490 mm high.

Sustained load on 12 cores with 128 MB L3 cache

The Ryzen 9 9900X3D operates at a 4.3 GHz base clock and can boost to 5.50 GHz across 24 threads, backed by 128 MB of L3 cache. The 360 mm quiet-edition liquid cooler and the Thermaltake Smart 850 W 80 PLUS Bronze power supply are designed to maintain stable temperatures and clean power delivery during extended compile, render or simulation workloads. The Samsung 990 PRO SSD sustains sequential reads up to 7450 MB/s and writes up to 6900 MB/s, keeping storage throughput high when large datasets are streamed continuously.

How it compares

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

Price $3,142.99
Pricier than about 61% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 4 TB NVMe
Higher than about 70% 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 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 storage4 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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Does the system ship with a keyboard and mouse, or do I need to buy them separately?

The PC ships without a keyboard or mouse; the front panel provides 2 × USB 3.0 and 1 × USB 3.2 Gen 2 Type-C ports for plugging in your own peripherals.

Should I choose the 4 TB Samsung 990 PRO or add a second M.2 drive for more capacity?

The board includes four M.2 connectors and the 4 TB Samsung 990 PRO occupies one; adding another NVMe SSD is straightforward if you need extra space.

What does the Ryzen 9 9900X3D’s 5.50 GHz boost mean for everyday workloads?

The 12-core, 24-thread CPU can hit 5.50 GHz on light threads while the 360 mm liquid cooler keeps temperatures in check during sustained loads.

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