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

Adamant Custom

Adamant Custom Gaming PC Ryzen 9 9900X3D 192GB DDR5 4TB NVMe Radeon RX 9070 XT

SKU CH-MJCH-N1MJY

Liquid-cooled workstation desktop with 12-core Ryzen 9 9900X3D, 192GB DDR5, 4TB NVMe SSD and Radeon RX 9070 XT 16GB graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsAMD Radeon RX 9070 XT
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy multitasking
  • 192 GB DDR5 handles large datasets and concurrent workloads
  • 4 TB Samsung 990 PRO NVMe delivers 7450 MB/s reads
  • Radeon RX 9070 XT 16 GB drives 4K gaming and creative apps
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load

12-Core Liquid-Cooled Workstation

This desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with 192GB DDR5 memory and a 4TB Samsung 990 PRO NVMe drive. A 240mm liquid cooler manages the CPU while the Radeon RX 9070 XT provides 16GB graphics memory. The system ships with Windows 11 Pro installed.

Sustained Thermal Performance

The 240mm Quiet Edition AIO cooler maintains lower CPU temperatures during extended rendering or compile workloads than air coolers typically achieve. An 850W 80 PLUS Bronze power supply delivers stable output for continuous multi-core operation. The Antec P20 case uses three 120mm front fans and dust filters to preserve airflow over time.

192GB DDR5 Memory Ceiling

Four DIMM slots are fully populated to reach the motherboard's 192GB maximum, leaving no room for further memory expansion. Buyers who anticipate larger datasets or heavier virtualisation stacks cannot add capacity later. The 4TB NVMe SSD also occupies one of four M.2 slots, limiting additional high-speed storage.

How it compares

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

Price $5,372.99
Pricier than about 88% 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 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 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 storage4 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsAMD Radeon RX 9070 XT
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 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 and hot does the 240 mm liquid cooler keep the Ryzen 9 9900X3D during all-day workloads?

The 240 mm Quiet Edition AIO is designed for low-noise operation while handling the 12-core CPU at its 4.4 GHz base and up to 5.50 GHz boost under sustained loads.

Which display cables and monitor inputs do I need to use the Radeon RX 9070 XT 16 GB?

The graphics card uses a PCI Express x16 slot and provides standard DisplayPort and HDMI outputs; match your monitor to those connectors.

Will my existing SATA SSDs and hard drives work with the PRIME X870-P motherboard?

Yes, the board includes two SATA 6 Gb/s ports and the Antec P20 case has two internal 3.5"/2.5" bays for legacy drives.

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