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Black mid-tower desktop with tempered glass side panel

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 128GB DDR5 1TB NVMe 10TB HDD RTX 5070 gaming PC

SKU CH-PG9D-1SCHX

A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, 128GB DDR5, 1TB NVMe, 10TB HDD and an 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 without swapping
  • 1 TB Samsung 990 PRO NVMe delivers 7450 MB/s read speed
  • 10 TB HDD with 256 MB cache stores massive media libraries
  • 240 mm liquid cooler keeps CPU temperatures low under load

12-core liquid-cooled workstation

The Adamant Custom desktop pairs a 12-core Ryzen 9 9900X3D processor with a 240 mm AIO cooler and 128 GB of DDR5 memory on an X870 TUF motherboard. Windows 11 Pro is pre-installed, making the system ready for professional workloads and gaming alike.

Samsung 990 PRO SSD and 10 TB hard drive

The 1 TB PCIe 4.0 NVMe drive delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s for fast boot and project loading. A 10 TB mechanical drive with 256 MB cache adds deep bulk storage for media libraries and archives.

128 GB DDR5 with 192 GB ceiling

Four populated slots provide 128 GB of high-performance DDR5 today, while the board supports up to 192 GB for future expansion. The RTX 5070 12 GB GPU handles 1440p gaming and GPU-accelerated creative tasks, though buyers needing more VRAM or multi-GPU scaling will need a different platform.

How it compares

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

Price $3,900.99
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 drive10 TB
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

Will the 240 mm liquid cooler need any refilling or pump replacement down the line?

The 240 mm AIO is a sealed unit with no user-serviceable parts, so no refilling is required; pump failure is rare but would mean replacing the whole cooler.

Which component hits its thermal or power ceiling first when the Ryzen 9 9900X3D runs at 5.50 GHz all day?

The CPU’s 128 MB L3 cache and 12-core design push the 240 mm liquid cooler to its dissipation limit before the 850 W PSU or GPU throttle.

How loud does the 140 mm case fan and AIO pump get under a full-day rendering load?

The front 140 mm PWM fans and quiet-edition AIO pump are rated for low-noise operation, keeping acoustic output modest even at sustained load.

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