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

Adamant Custom

Adamant Custom Gaming PC i9-14900K RTX 5090 128GB DDR5 1TB NVMe

SKU CH-B031-Z7DRA

A liquid-cooled tower workstation with a 24-core i9-14900K, RTX 5090 32GB GPU, 128GB DDR5 and 1TB NVMe SSD for AI, rendering and 4K gaming

  • Screen sizeNo Screen
  • ProcessorIntel Core i9 14th Gen
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core i9-14900K
  • 24-core i9-14900K reaches 6.00 GHz for heavy multitasking
  • RTX 5090 32GB GPU accelerates AI and 4K rendering
  • 128GB DDR5 memory handles large datasets without swapping
  • 1TB Samsung 990 PRO NVMe reads up to 7450 MB/s
  • 360mm liquid cooler keeps CPU temperatures low under load

Built for 24-core workloads

This Adamant Custom tower pairs a 24-core Intel Core i9-14900K with 128GB of DDR5 memory and a GeForce RTX 5090. The configuration targets creators and researchers who need high thread counts for rendering, modelling or AI training. Windows 11 Pro ships pre-installed on a 1TB NVMe drive.

24 cores and 32 threads decide fit

The i9-14900K delivers 24 cores and 32 threads with a maximum turbo of 6.00 GHz and 36 MB of L3 cache. Buyers who need more cores or a different socket cannot use this system. The Z790 TUF motherboard supports up to 192 GB of DDR5 across four slots.

360 mm liquid cooler and 1200 W Gold PSU sustain

A 360 mm quiet-edition AIO keeps the CPU cool during extended all-core work. The Thermaltake Toughpower 1200 W 80 PLUS Gold unit includes Japanese main capacitors and protections for over-voltage, under-voltage, over-power and short-circuit. Front-panel I/O adds USB 3.2 Gen 2 Type-C, two USB 3.0 and audio.

How it compares

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

Price $8,480.99
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 1 TB NVMe
Lower than about 70% of the 24,468 comparable items (median 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 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

What does the 24-core i9-14900K actually deliver inside this tower?

The CPU runs at 3.2 GHz base and can boost to 6.00 GHz with 36 MB L3 cache across 24 cores and 32 threads, cooled by a 360 mm liquid cooler.

What does the Z790 TUF motherboard's PCIe 4.0 x4 limit mean for the Samsung 990 PRO?

The drive connects through a PCIe 4.0 x4 M.2 slot, so its sequential reads reach 7450 MB/s and writes 6900 MB/s.

Will the Antec P20 case fit the 360 mm radiator and RTX 5090 together?

The 469 mm deep mid-tower supports a 360 mm front radiator and has clearance for the graphics card, with 3 x 120 mm front fans included.

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