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Black mid-tower case with tempered glass side panel and liquid cooling visible inside

Adamant Custom

Adamant Custom Gaming PC Ryzen 9 9900X3D 128GB DDR5 8TB NVMe 10TB HDD RTX 5060 Liquid Cooled

SKU CH-SJ7Q-AT67Y

Liquid-cooled tower with a 12-core Ryzen 9 9900X3D, 128 GB DDR5, 8 TB NVMe plus 10 TB HDD, and an RTX 5060 for gaming and workstation tasks

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5060
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for multi-threaded workloads
  • 128 GB DDR5 memory handles large datasets and heavy multitasking
  • 8 TB NVMe storage delivers 7450 MB/s reads for fast asset loading
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load
  • Wi-Fi 7 and 2.5 Gb Ethernet provide high-speed wired and wireless connectivity

Ready-to-Run Gaming Workstation

This desktop ships with Windows 11 Pro installed and a liquid-cooled 12-core Ryzen 9 9900X3D processor. It combines 128GB of DDR5 memory with an RTX 5060 graphics card for compute and rendering tasks. Two 4TB NVMe SSDs and a 10TB hard drive provide high-capacity storage out of the box.

Suits Single-GPU Builds Needing Mass Storage

The system fits users who want a pre-assembled tower with abundant drive space and quiet liquid cooling. Builders who require multiple graphics cards or a smaller chassis should look at other configurations. The motherboard offers four memory slots with room to reach 192GB if workloads grow.

12-Core Ryzen 9 9900X3D with 128GB DDR5

The processor delivers 12 cores and 24 threads at a 4.4GHz base frequency with a large L3 cache. Paired with 128GB of DDR5, it handles heavy multitasking and content creation without memory bottlenecks. This CPU and memory combination defines the workstation performance tier.

How it compares

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

Price $4,788.99
Pricier than about 84% 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 8 TB NVMe
Higher than about 99% 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 capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage8 TB NVMe
Hard drive10 TB
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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

How do I confirm the liquid cooler is running correctly after first boot?

Enter the BIOS and check the CPU fan header shows a stable RPM reading for the 240 mm AIO pump; the Ryzen 9 9900X3D should idle well below its 5.50 GHz boost ceiling.

Which components ship inside the Antec P20 case and what must I provide?

The tower arrives fully assembled with the PRIME X870-P motherboard, 128 GB DDR5, dual 4 TB Samsung 990 PRO SSDs, 10 TB HDD, RTX 5060 8 GB GPU, 850 W PSU and Windows 11 Pro — only a monitor, keyboard and mouse are needed.

Should I choose the 128 GB DDR5 configuration or the maximum 192 GB option?

The system ships with four populated slots at 128 GB; selecting 192 GB would require a later module swap, so stay with 128 GB unless your workloads consistently exceed that capacity.

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