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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5090 32GB DDR5 2TB NVMe 10TB HDD gaming PC

SKU CH-T725-G1GVH

A liquid-cooled desktop with a 12-core Ryzen 9 9900X3D CPU, RTX 5090 graphics, 32GB DDR5 memory, 2TB NVMe SSD and 10TB HDD

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D delivers high multi-thread throughput
  • RTX 5090 32GB GPU handles demanding 4K and AI workloads
  • 32GB DDR5 memory with four slots supports up to 192GB
  • 2TB NVMe SSD plus 10TB HDD combine speed and capacity
  • 240mm liquid cooler keeps CPU temperatures low under load

12-core Ryzen 9 workstation

This desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with an Nvidia GeForce RTX 5090 graphics card. It targets professionals and enthusiasts who need strong multi-threaded compute and high-end GPU acceleration in a single system. The 240 mm liquid cooler keeps the CPU stable under sustained loads.

32 GB DDR5 with 192 GB ceiling

The board ships with 32 GB of DDR5 memory across four slots and supports up to 192 GB total. A 2 TB Samsung 990 PRO NVMe drive handles the operating system and active projects at up to 7450 MB/s read and 6900 MB/s write. A 10 TB hard drive with 256 MB cache provides deep bulk storage for archives and media libraries.

X870 motherboard and 1200 W Gold PSU

The TUF X870-PLUS motherboard offers rear USB4 at 40 Gbps, multiple 10 Gbps and 5 Gbps USB ports, 2.5 Gb Ethernet and Wi-Fi 7 connectivity. Four internal M.2 slots and two 3.5-inch bays allow further storage expansion. A Thermaltake Toughpower 1200 W 80 PLUS Gold unit with Japanese capacitors powers the build.

How it compares

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

Price $7,034.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.
SSD storage 2 TB NVMe
Typical for this category: the median of 24,468 items is 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 capacity32 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
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 add more DDR5 memory to the four slots on the X870 motherboard alongside the 32GB already installed?

Yes, the board has four DDR5 slots and supports up to 192GB total, so you can populate the remaining slots with compatible DDR5 modules.

How do I confirm the RTX 5090 is running at PCI Express x16 speed after assembly?

In Windows Device Manager or GPU-Z, check the link width — it should show x16 Gen 4 or Gen 5 for the RTX 5090.

Does the box include the 240mm liquid cooler and 1200W power supply, or must I buy them separately?

Both the 240mm Quiet Edition AIO cooler and the Thermaltake 1200W 80 PLUS Gold PSU are pre-installed in the chassis.

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