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Black Corsair 4000D mid-tower with tempered glass side panel, liquid CPU cooler visible inside

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 128GB DDR5 1TB NVMe Radeon RX 9070 XT gaming PC

SKU CH-5K9M-VVZKP

A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, 128 GB DDR5, 1 TB NVMe and Radeon RX 9070 XT 16 GB for workstation and gaming workloads

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsAMD Radeon RX 9070 XT
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 128 GB DDR5 memory handles large projects without swapping
  • 1 TB Samsung 990 PRO NVMe loads games and apps in seconds
  • Radeon RX 9070 XT 16 GB drives high-frame-rate 1440p and 4K gaming
  • 240 mm liquid cooler keeps the CPU quiet under sustained loads

12-Core Ryzen 9 Workstation

This liquid-cooled desktop pairs a 12-core Ryzen 9 9900X3D with a Radeon RX 9070 XT graphics card. It ships with 128 GB of DDR5 memory and a 1 TB NVMe SSD. The system targets creators and engineers who need strong multi-threaded compute and GPU acceleration in a single chassis.

128 GB DDR5 with 192 GB ceiling

Four memory slots hold the factory-installed 128 GB kit, leaving room to reach the board’s 192 GB maximum. The 1 TB Samsung 990 PRO drive delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s. Two additional M.2 slots and internal 3.5-inch bays provide further expansion headroom.

AM5 platform on X870 motherboard

The PRIME X870-P board locks the CPU to the AM5 socket and wires 40 Gbps USB4, 2.5 Gb Ethernet and Wi-Fi 7 connectivity. Builders who need a different socket, chipset or memory generation cannot use this foundation.

How it compares

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

Price $4,041.99
Pricier than about 77% 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 1 TB NVMe
Lower 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 capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage1 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 factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Can I keep using my current DDR5 memory kits with the 128 GB DDR5 already installed in this system?

The motherboard provides four DDR5 slots in total. With 128 GB pre-installed, you can add compatible DDR5 modules up to the 192 GB maximum supported capacity.

How do I verify the liquid cooler and GPU are performing correctly after first boot?

Enter the UEFI to confirm the 240 mm AIO pump speed and CPU temperature readings. In Windows, open AMD Adrenalin software to check the Radeon RX 9070 XT 16 GB driver version and GPU clock speeds.

What accessories are included in the box and what must I purchase separately?

The Corsair 4000D case, 240 mm liquid cooler, PRIME X870-P motherboard, Ryzen 9 9900X3D CPU, 128 GB DDR5, 1 TB Samsung 990 PRO SSD, Radeon RX 9070 XT GPU, 850 W PSU and Windows 11 Pro are all included. You will need to supply your own monitor, keyboard and mouse.

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