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

Adamant Custom

Adamant Custom i9-14900K RTX 5090 64GB 1TB Gaming PC

SKU CH-XHJ9-Q9KPB

A 24-core Intel i9-14900K and RTX 5090 32GB GPU power this liquid-cooled tower with 64GB DDR5, 1TB NVMe SSD, WiFi6 and Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core i9-14900K
  • 24-core Intel i9-14900K reaches 6.00 GHz for heavy workloads
  • RTX 5090 with 32GB memory drives 4K gaming and AI tasks
  • 64GB DDR5 and 1TB Samsung 990 PRO SSD keep data flowing fast
  • 360 mm liquid cooler and 1200W 80 PLUS Gold PSU sustain peak power quietly
  • Wi-Fi 6, Bluetooth 5.2 and 2.5Gb Ethernet give flexible high-speed connectivity

24-Core Workstation Desktop

This system pairs a 24-core Intel Core i9-14900K with 64GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. It ships with Windows 11 Pro installed on a 1TB NVMe SSD. The tower chassis uses liquid cooling for the processor. It targets professionals who need high single-thread speed and large GPU memory for rendering, modelling or AI workloads.

Upgrade From Thread-Limited Rigs

The 24-core 32-thread design replaces platforms that stall on heavy multi-tasking or large scene parsing. The jump is worth it when 36 MB of L3 cache and 6.00 GHz peak frequency cut compile times or frame-export queues. Builders who need more than 64GB can expand to 192 GB across four total slots.

Sustained Load Behaviour

A 360 mm quiet-edition liquid loop keeps the CPU stable during long renders without the acoustic spikes of air coolers. The Thermaltake Toughpower 1200W 80 PLUS Gold unit delivers steady power through over-voltage, under-voltage and short-circuit protection. The Corsair 4000D case moves air through tempered-glass panels while housing two 3.5-inch and two 2.5-inch internal bays.

How it compares

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

Price $7,420.99
Pricier than about 91% 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 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 colorBlack
Processor
ProcessorIntel Core i9 14th Gen
CPU modelIntel Core i9-14900K
CPU socketLGA 1700
Memory
RAM capacity64 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
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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

Will a 360 mm liquid cooler fit in the Corsair 4000D case?

The case measures 490 x 239 x 486 mm and the build already includes a 360 mm AIO, so the radiator and fans are confirmed to fit.

How do I install the 64 GB DDR5 kit on the Z790 motherboard?

Seat the modules in the two primary slots first — usually the second and fourth from the CPU — then enable XMP in the BIOS to reach the rated speed.

When will the Samsung 990 PRO 1 TB SSD need replacement?

The drive is rated for up to 7450 MB/s read and 6900 MB/s write; monitor SMART health and replace once the endurance indicator approaches its limit.

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