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

Adamant Custom

Adamant Custom Ryzen 9 9900X3D 64GB DDR5 4TB NVMe 10TB HDD RTX 5080 Gaming PC

SKU CH-QCV0-7J552

A liquid-cooled workstation desktop with a 12-core Ryzen 9 9900X3D, 64 GB DDR5, 4 TB NVMe, 10 TB HDD and an RTX 5080 16 GB GPU

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage4 TB NVMe
  • GraphicsGeForce RTX 5080
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D up to 5.50 GHz for heavy compute
  • 64 GB DDR5 memory with 192 GB maximum for large datasets
  • 4 TB Samsung 990 PRO NVMe SSD at 7450 MB/s read
  • RTX 5080 16 GB graphics for rendering and AI workloads
  • 240 mm liquid cooler plus 1000 W Gold PSU for stable operation

Custom workstation for modelling and AI

This Adamant Custom desktop pairs a 12-core Ryzen 9 9900X3D with 64GB DDR5 and an RTX 5080 16GB GPU. The system targets professionals who need high single-thread frequency and large VRAM for rendering, simulation or local model training. Windows 11 Pro is pre-installed on the 4TB NVMe boot drive.

Mid-tower chassis with liquid CPU cooling

A 240mm AIO cooler handles the processor while three 120mm front fans move air through dust filters on the bottom, front and top. The front panel supplies two USB 3.0 ports, one USB 3.2 Gen 2 Type-C port and dual audio jacks. Internal bays accept two 3.5-inch and two 2.5-inch drives alongside the installed 10TB HDD.

PCIe 4.0 storage ceiling and 192GB memory limit

The Samsung 990 PRO SSD delivers sequential reads up to 7450 MB/s and writes up to 6900 MB/s within the PCIe 4.0 x4 interface. Four memory slots support a maximum of 192GB DDR5, so future expansion stops at triple the current 64GB. The motherboard provides two USB4 ports at 40Gbps and Wi-Fi 7 2x2 connectivity.

How it compares

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

Price $4,889.99
Pricier than about 85% of the 24,925 comparable items (median $2,694.99).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).
SSD storage 4 TB NVMe
Higher 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 capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage4 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5080
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 factorMid Tower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What PCIe generation does the Samsung 990 PRO SSD use and what does that limit its throughput to?

The 4TB Samsung 990 PRO runs on PCIe 4.0 x4, capping sequential reads at 7450 MB/s and writes at 6900 MB/s.

What case dimensions and drive bays must the build fit into?

The Antec P20 mid-tower measures 469 × 220 × 490 mm and provides two 3.5"/2.5" internal bays plus two dedicated 2.5" bays.

How is the CPU cooler mounted and which step is often missed?

The 240 mm AIO radiator screws to the case fan mounts; the step people skip is plugging the pump header into the motherboard's CPU_FAN connector so the cooler actually runs.

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