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Black mid-tower PC with tempered glass side panel and liquid cooling visible

Adamant Custom

Adamant Custom Gaming PC Ryzen 9 9900X3D RTX 5090 32GB DDR5 1TB NVMe

SKU CH-15TB-NEXGP

Liquid-cooled desktop with a 12-core Ryzen 9 9900X3D, RTX 5090 graphics, 32 GB DDR5 and a 1 TB NVMe drive

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D handles heavy workloads
  • RTX 5090 32GB drives high-end gaming and AI
  • 32GB DDR5 with four slots supports 192GB max
  • 1TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240mm liquid cooler keeps CPU temperatures low

Liquid-Cooled Workstation Desktop

This pre-built desktop pairs a twelve-core Ryzen 9 9900X3D processor with an Nvidia RTX 5090 graphics card. It ships with 32GB of DDR5 memory and a 1TB NVMe solid-state drive. The system targets creators and engineers who need high single-thread speed and large video-memory capacity in a ready-to-run Windows 11 Pro machine.

Factory-Installed Cooler and Power Supply

A 240mm liquid cooler keeps the CPU at stable temperatures under sustained multi-core loads. The Thermaltake 1200W Gold-rated power supply delivers overhead for the graphics card and future component upgrades. Both parts are assembled inside a Corsair 4000D chassis with tempered-glass side panels.

PCIe 4.0 Storage and Connectivity Limits

The Samsung 990 PRO drive operates on a PCIe 4.0 x4 link, capping sequential throughput at the rated 7450 MB/s read and 6900 MB/s write. The motherboard provides four M.2 slots, but only the primary slot runs at full x4 bandwidth from the CPU. Rear I/O includes two USB4 ports at 40Gbps and Intel 2.5Gb Ethernet alongside Wi-Fi 7 wireless.

How it compares

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

Price $6,261.99
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 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 capacity32 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 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

Will the 240 mm liquid cooler need refilling or pump replacement during the life of the Ryzen 9 9900X3D?

The 240 mm AIO Quiet Edition cooler is a sealed unit; no refilling or pump service is required for the Ryzen 9 9900X3D under normal use.

What thermal limit will the RTX 5090 hit first when the 1200 W Gold PSU is running at full load for hours?

The RTX 5090 will reach its GPU temperature target before the 1200 W 80 PLUS Gold PSU hits its over-temperature protection threshold.

How loud is the 140 mm PSU fan and the AIO pump when the system runs all day at 5.50 GHz boost?

The Thermaltake Toughpower 1200 W uses an ultra-quiet 140 mm fan and the 240 mm AIO is a Quiet Edition, keeping noise low during sustained 5.50 GHz operation.

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