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Adamant Custom

Adamant Custom 24-Core i9-14900K RTX 5090 128GB DDR5 2TB NVMe Gaming PC

SKU CH-C9T8-HPBNN

A 24-core Intel i9-14900K and RTX 5090 desktop with 128GB DDR5 and 2TB NVMe for gaming and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity128 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core i9-14900K
  • 24-core i9-14900K handles heavy rendering and AI workloads
  • RTX 5090 32GB GPU accelerates 4K gaming and creative tasks
  • 128GB DDR5 memory keeps large datasets in fast RAM
  • 2TB Samsung 990 PRO NVMe SSD loads projects at up to 7450 MB/s read
  • 360mm liquid cooler and 1200W Gold PSU sustain peak performance

Built for heavy workloads

This desktop combines a 24-core Intel Core i9-14900K with an Nvidia GeForce RTX 5090 32GB GPU and 128GB DDR5 memory. It targets creators and engineers who need strong single-thread speed and massive parallel throughput for rendering modelling and AI learning tasks. The system ships with Windows 11 Pro on a 2TB Samsung 990 PRO NVMe drive. Liquid cooling keeps the CPU stable under sustained load.

Moving up from lesser configurations

Builders who hit memory or GPU VRAM limits on 64GB or 32GB systems will benefit from the 128GB DDR5 capacity and 32GB frame buffer. The jump is worth it when projects exceed 64GB of active data or when GPU compute queues stall on smaller cards. The Z790 TUF motherboard supports up to 192GB total so further expansion is possible without a platform change.

Platform limits to consider

The LGA 1700 socket and Z790 chipset cap memory at 192GB and PCIe at 4.0x4 for the primary M.2 slot. The 1200W 80 PLUS Gold PSU delivers ample headroom for this build but leaves no margin for a second high-end GPU. Wi-Fi 6 and Bluetooth 5.2 provide modern wireless connectivity while the 2.5Gb Ethernet port handles wired traffic.

How it compares

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

Price $7,780.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% of the 24,338 comparable items (median 32 GB).
SSD storage 2 TB NVMe
Typical for this category: the median of 24,468 items is 2 TB.

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Specifications

Product
Year of release2026
Product colorBlack
Processor
ProcessorIntel Core i9 14th Gen
CPU modelIntel Core i9-14900K
CPU socketLGA 1700
Memory
RAM capacity128 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 TB NVMe
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
Audio & video
Audio chipIntegrated
Sound channels7.1 channels
Connectivity
Wi-Fi standardWi-Fi 6
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.2
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 469 mm deep Antec P20 case fit on my desk?

The case measures 469 mm deep, 220 mm wide and 490 mm high; allow a few centimetres extra for rear cables and front-panel access.

How is the 360 mm liquid cooler mounted, and what step do builders often miss?

The 360 mm radiator fits the top of the P20 case with three 120 mm fans; the step often missed is removing the protective film from the cold-plate before seating it on the i9-14900K.

When will the 1200 W 80 PLUS Gold PSU need its fan or capacitors checked?

The Thermaltake Toughpower uses a 140 mm fan and Japanese main capacitors; plan a dust clean every 12 months and a capacitor health check after roughly five years of heavy load.

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