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Black Corsair 4000D mid-tower with tempered glass side panel and 240 mm liquid cooler visible inside

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 128GB DDR5 1TB NVMe RTX 5070 Gaming PC

SKU CH-9QA6-1XR38

Liquid-cooled desktop with 12-core Ryzen 9 9900X3D, 128GB DDR5, 1TB NVMe and RTX 5070 for high-end gaming and workstation tasks

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5070
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy workloads
  • 128 GB DDR5 memory handles large datasets and multitasking
  • 1 TB Samsung 990 PRO NVMe delivers 7450 MB/s read speed
  • RTX 5070 12 GB GPU accelerates rendering and AI tasks
  • 240 mm liquid cooler keeps CPU temperatures low under load

Purpose-built workstation

This desktop pairs a twelve-core AMD Ryzen 9 9900X3D processor with 128 GB of DDR5 memory and a 1 TB Samsung 990 PRO NVMe drive. A GeForce RTX 5070 graphics card with 12 GB of video memory handles rendering and compute workloads. The system ships with Windows 11 Pro and a 240 mm liquid cooler mounted in a Corsair 4000D tempered-glass case.

Suitability and limits

Creative professionals who need large memory capacity and fast single-thread performance will benefit from the 128 GB DDR5 configuration and 5.50 GHz boost clock. The four memory slots support up to 192 GB for future expansion. Buyers who require multiple graphics cards or more than 1 TB of primary storage should consider a different platform.

Sustained-load behaviour

The 240 mm quiet-edition liquid cooler and case airflow are designed to maintain CPU frequencies during extended rendering or compilation sessions. An 850 W 80 PLUS Bronze power supply with a 140 mm fan delivers stable power to the GPU and CPU under continuous load. Intel 2.5 Gb Ethernet and Wi-Fi 7 connectivity remain responsive during long data transfers.

How it compares

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

Price $3,907.99
Pricier than about 75% 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
GraphicsGeForce RTX 5070
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

Does the 850 W power supply have the native 12VHPWR connector the RTX 5070 needs?

The Thermaltake Smart 850W unit includes a 12VHPWR cable so the RTX 5070 connects directly without an adapter.

Will my existing SATA SSD work with the PRIME X870-P motherboard alongside the Samsung 990 PRO?

Yes, the board provides two SATA 6Gb/s ports so a 2.5-inch or 3.5-inch SATA drive can be added to the 1TB NVMe boot drive.

How can I confirm the 128 GB DDR5 kit is running at its rated speed after assembly?

Open Task Manager or CPU-Z and verify the memory frequency shows the DDR5 data rate printed on the module labels.

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