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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

  • Release Year2026
  • TypeBusiness Desktops & Workstations
  • Form FactorDesktop
  • AI FeaturesAI Ready
  • UsageWorkstation
  • ColorBlack
  • 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.

Highlights

  • 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

Specifications

Release Year2026
TypeBusiness Desktops & Workstations
Form FactorDesktop
AI FeaturesAI Ready
UsageWorkstation
ColorBlack
Cooling SystemLiquid Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeAMD Ryzen 9 9000 Series
CPU NameAMD Ryzen 9 9900X3D
CPU Socket TypeAM5
GPU/VGA TypeGeForce RTX 5090
Graphics InterfacePCI Express x16
Memory Capacity32GB DDR5
Memory Slots (Available/Total)4 total
Maximum Memory Supported192 GB
SSD2TB NVMe
HDD10TB
Optical Drive TypeNo
Screen SizeNo Screen
Audio ChipsetIntegrated
Audio Channels7.1 channels
LAN ChipsetIntegrated
LAN Speed2.5Gbps
WLAN802.11be Wireless LAN
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
RJ451 port

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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