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Black Corsair 4000D tempered glass desktop with 240mm liquid cooler visible

Adamant Custom

Adamant Custom Ryzen 9 9900X3D RTX 5080 192GB DDR5 1TB NVMe gaming PC

SKU CH-A582-BDGAJ

A 12-core Ryzen 9 9900X3D and RTX 5080 workstation with 192 GB DDR5 and a 1 TB NVMe drive, liquid-cooled in a Corsair 4000D case

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity192 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5080
  • CPU modelAMD Ryzen 9 9900 × 3D
  • 12-core Ryzen 9 9900X3D reaches 5.50 GHz for heavy compute
  • 192 GB DDR5 handles large datasets and multitasking
  • RTX 5080 16 GB drives 4K gaming and AI workloads
  • 1 TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 240 mm liquid cooler keeps CPU temperatures low

Adamant Custom Ryzen 9 9900X3D Workstation

This desktop is built for modelling, video editing, rendering and AI learning workloads. It pairs a 12-core Ryzen 9 9900X3D processor with 192 GB of DDR5 memory and an Nvidia GeForce RTX 5080 graphics card. A 1 TB Samsung 990 PRO NVMe drive provides fast storage. Liquid cooling and a 1000 W Gold-rated power supply support sustained heavy loads.

Who This Suits and Who It Does Not

Creators and engineers who need many cores, large memory capacity and a high-end GPU for local inference or 3D work will benefit. Buyers who only require mainstream gaming performance or general office tasks will not use the available compute and memory headroom. Systems with smaller memory or a mid-range graphics card cost less for those lighter uses.

Deciding Specification: 192 GB DDR5 Memory

The board includes four slots populated to the maximum supported 192 GB. This capacity lets you keep large datasets, multiple virtual machines or complex scenes in RAM without swapping to the NVMe drive. If your workflows fit comfortably in 64 GB or 128 GB, a system with less memory will be more cost-effective.

How it compares

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

Price $5,672.99
Pricier than about 90% of the 24,925 comparable items (median $2,694.99).
RAM capacity 192 GB DDR5
Higher than about 95% of the 24,338 comparable items (median 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 capacity192 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 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 factorDesktop
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What PCI Express generation does the RTX 5080 graphics interface use, and what bandwidth does that cap in practice?

The RTX 5080 connects through a PCI Express x16 slot on the PRIME X870-P motherboard; the board's M.2 connectors run at PCIe 4.0x4 so the GPU slot is limited to the same 4.0 generation, capping theoretical bandwidth at 64 GT/s per lane.

What physical clearance and mounting points does the 240 mm liquid cooler need inside the Corsair 4000D case?

The 240 mm radiator mounts to the top or front 140 mm fan positions of the 4000D; the case measures 490 x 239 x 486 mm and provides two 140 mm mounting grids with standard 20 mm hole spacing, so the AIO fits without interfering with the motherboard VRM heatsinks or the RTX 5080 length.

How is the 192 GB DDR5 kit installed on the four-slot PRIME X870-P, and which step do builders most often get wrong?

Populate all four DIMM slots with the matched 48 GB modules, seat each stick until the retention clips click, then enable EXPO in BIOS; the common mistake is leaving one slot empty or mixing kits, which forces the memory controller to run at JEDEC speeds instead of the rated DDR5 frequency.

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