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

Adamant Custom

Adamant Custom 12-Core Liquid Cooled Gaming PC Ryzen 9 9900X3D 32GB DDR5 8TB NVMe 10TB HDD RTX 5090

SKU CH-42BJ-ZCP8Q

Liquid-cooled 12-core Ryzen 9 workstation with 32GB DDR5, 8TB NVMe, 10TB HDD and RTX 5090 graphics

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity32 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz boost for heavy workloads
  • 240 mm liquid cooler keeps CPU temperatures low under sustained load
  • 32 GB DDR5 memory with four slots supports up to 192 GB total
  • 8 TB NVMe SSD plus 10 TB HDD delivers fast boot and massive storage
  • RTX 5090 32 GB GPU powers 4K gaming and AI-accelerated tasks

12-Core Ryzen 9 Workstation

This desktop pairs a 12-core AMD Ryzen 9 9900X3D processor with 32 GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. It targets professionals who need strong multi-threaded compute and high-end GPU acceleration in a single tower. The system ships with Windows 11 Pro installed and is described as AI Ready for local inference workloads.

PCIe 4.0 Storage and I/O Limits

Two 4 TB Samsung 990 PRO drives deliver up to 7450 MB/s read and 6900 MB/s write speeds over a PCIe 4.0 x4 interface. The motherboard provides four M.2 slots in total, so two remain open for future expansion. Rear I/O includes two USB4 ports at 40 Gbps, one USB 10 Gbps port, three USB 5 Gbps ports and four USB 2.0 ports for peripheral connectivity.

Liquid-Cooled Tower with 1200 W Gold PSU

A 240 mm quiet-edition AIO cooler handles the CPU while the Antec P20 mid-tower case supplies three 120 mm front fans and dust filters on bottom, front and top panels. The Thermaltake Toughpower 1200 W 80 PLUS Gold unit uses Japanese main capacitors and a 140 mm fan with over-voltage, under-voltage, over-power and short-circuit protection. Front panel access offers two USB 3.0 ports, one USB 3.2 Gen 2 Type-C port and audio jacks.

How it compares

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

Price $7,397.99
Pricier than about 91% 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 8 TB NVMe
Higher than about 99% 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 storage8 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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Which storage configuration should I choose between the 8TB NVMe and 10TB HDD?

The 8TB NVMe uses two 4TB Samsung 990 PRO drives reaching 7450 MB/s read and 6900 MB/s write for OS and active projects. The 10TB HDD adds 256MB cache bulk storage for archives and media libraries.

What does the Ryzen 9 9900X3D 4.4GHz base clock mean in daily workloads?

Twelve cores and twenty-four threads at 4.4GHz base with a 5.50 GHz boost and 128MB L3 cache deliver strong multi-threaded throughput for rendering, compilation and AI tasks while maintaining high single-thread speed for gaming.

How do the rear USB4 40Gbps ports and PCI Express x16 slot limit GPU and peripheral bandwidth?

The RTX 5090 32GB occupies the full PCI Express x16 link for maximum graphics throughput while two USB4 40Gbps Type-C ports provide high-speed external storage and display connectivity without sharing GPU lanes.

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