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Black mid-tower with tempered glass side panel, 240 mm liquid cooler visible inside

Adamant Custom

Adamant Custom 12-Core Liquid Cooled Gaming PC Ryzen 9 9900X3D 64GB DDR5 2TB NVMe RTX 5060

SKU CH-9RGC-9C4GK

A 12-core liquid-cooled desktop with 64GB DDR5, 2TB NVMe and an RTX 5060 GPU for high-frame-rate gaming and AI-ready workloads

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5060
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz boost for heavy workloads
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load
  • 64 GB DDR5 memory handles large datasets and multitasking with headroom to 192 GB
  • 2 TB Samsung 990 PRO SSD delivers 7450 MB/s reads for fast project access
  • Wi-Fi 7 and Intel 2.5Gb Ethernet give flexible high-speed network options

12-Core Liquid-Cooled Workstation

The Adamant Custom desktop pairs a 12-core Ryzen 9 9900X3D processor with 64GB of DDR5 memory and a 2TB NVMe SSD. A GeForce RTX 5060 graphics card handles visual workloads. Windows 11 Pro is pre-installed on a platform built for content creation and high-refresh gaming.

240mm AIO Thermals and 850W Bronze Power

A 240mm quiet-edition liquid cooler keeps the CPU stable under sustained loads while the 140mm power-supply fan runs at low noise. The Thermaltake Smart 850W 80 PLUS Bronze unit delivers efficient power with Japanese capacitors and full protection circuitry.

Upgrade Path from 8-Core Air-Cooled Builds

Builders moving from an 8-core air-cooled system gain twelve cores, 128MB of L3 cache and DDR5 bandwidth for compile, render and simulation tasks. The jump is worthwhile when multi-thread throughput matters more than single-thread frequency. Buyers who need more than 8GB of video memory or a second graphics card should look elsewhere.

How it compares

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

Price $2,889.99
Pricier than about 55% 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 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 capacity64 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 5060
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

How do I install the 240mm AIO liquid cooler and what step is often missed?

Mount the radiator to the case fan points, attach the pump block to the AM5 socket with the supplied bracket, then connect the pump header and radiator fans to the motherboard — the step often missed is plugging the pump tach cable into the CPU_FAN header so the BIOS sees pump speed.

What maintenance or replacement will the liquid cooler need later?

The 240mm AIO is a sealed unit; no coolant top-ups are required. Plan to replace the whole cooler if pump noise rises or CPU temperatures climb after several years of continuous operation.

What limit appears first during sustained heavy loads?

The 240mm radiator surface area and the 850W Bronze PSU thermal envelope are the first constraints; prolonged all-core 5.50 GHz boosts will hit coolant temperature limits before the CPU or GPU throttle.

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