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Black mid-tower gaming PC with tempered glass side panel and liquid cooling visible

Adamant Custom

Adamant Custom 12-Core Liquid Cooled Gaming PC Ryzen 9 9900X3D 128GB DDR5 4TB NVMe

SKU CH-RXDP-JGAY7

A 12-core Ryzen 9 9900X3D desktop with liquid cooling, 128GB DDR5, a 4TB NVMe SSD and integrated Radeon graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsIntegrated Graphics
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D delivers 5.50 GHz boost for heavy workloads
  • 360 mm liquid cooler keeps CPU temperatures low under sustained loads
  • 128 GB DDR5 memory handles large datasets and multitasking with ease
  • 4 TB Samsung 990 PRO NVMe reads up to 7450 MB/sec for fast storage access
  • Wi-Fi 7 and Bluetooth 5.4 provide high-speed wireless connectivity

12-Core Liquid-Cooled Workstation

The Adamant Custom desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with 128GB of DDR5 memory and a 4TB NVMe SSD. A 360mm liquid cooler and 850W power supply support the high core count in a mid-tower chassis. The system ships with Windows 11 Pro and integrated Radeon graphics for immediate use.

Sustained Load Behaviour

The 360mm Quiet Edition liquid cooler is designed to dissipate heat continuously during long render or compile sessions. The 850W 80 PLUS Bronze unit with Japanese main capacitors delivers stable power without thermal throttling. Front 120mm intake fans and dust filters maintain airflow over extended periods.

Interface Practical Limits

Integrated Radeon graphics drive displays via HDMI and two USB4 ports at 40Gbps each. Rear I/O also provides USB 20Gbps, 10Gbps and 5Gbps connections alongside Intel 2.5Gb Ethernet. Wi-Fi 7 and Bluetooth 5.4 handle wireless traffic, while four M.2 slots and two SATA ports allow future storage expansion.

How it compares

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

Price $3,815.99
Pricier than about 74% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% 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 capacity128 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

How loud is the 360 mm liquid cooler and 850 W PSU during long sessions?

The 360 mm Quiet Edition AIO and Thermaltake Smart 850 W PSU both use low-noise fans — a 140 mm unit on the PSU and 120 mm fans on the radiator — keeping acoustic levels low under sustained load.

Which display cables do I need for the integrated Radeon graphics outputs?

The motherboard rear I/O provides one HDMI port and two USB4 Type-C ports that carry video; connect a monitor with HDMI or a USB-C/DisplayPort cable to either USB4 port.

Will my existing PCIe 3.0 NVMe drive work in the spare M.2 slots?

Yes — the X870 motherboard includes four M.2 connectors that support PCIe 4.0 and are backward compatible with PCIe 3.0 NVMe SSDs.

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