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Black tempered glass desktop tower with liquid cooling visible inside

Adamant Custom

Adamant Custom Gaming PC Core Ultra 7 265K RTX 5090 64GB DDR5 1TB NVMe

SKU CH-44DH-3TYVN

A 20-core Intel Core Ultra 7 265K desktop with 64GB DDR5, RTX 5090 32GB GPU, 1TB NVMe SSD and liquid cooling for gaming and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K drives heavy multi-thread workloads
  • 32 GB RTX 5090 handles 4K rendering and AI inference
  • 64 GB DDR5 memory supports large datasets and multitasking
  • 1 TB Samsung 990 PRO NVMe delivers 7450 MB/s read speed
  • 240 mm liquid cooler keeps CPU temperatures low under load

Custom 20-core workstation gaming desktop

This system combines a 20-core Intel Core Ultra 7 265K processor with an Nvidia GeForce RTX 5090 32GB graphics card. It ships with 64GB DDR5 memory and a 1TB Samsung 990 PRO NVMe drive. Windows 11 Pro is pre-installed on a liquid-cooled platform built for rendering, modelling and AI workloads.

Upgrade from lower-core or air-cooled builds

The 20-core CPU reaches up to 5.50 GHz with 30 MB L3 cache while a 240mm quiet-edition liquid cooler manages thermals. A 1000W 80 PLUS Gold power supply delivers stable current for the RTX 5090 and full component set. The jump is worth it when single-thread speed and sustained multi-core throughput both matter.

Suits creators and engineers needing GPU memory

Professionals running large models, high-resolution timelines or compile farms benefit from 32GB VRAM and rear Thunderbolt 4 connectivity. Buyers who only need 1080p gaming or lighter compute loads should look at configurations with less VRAM and fewer cores. Those requiring more than 64GB RAM can expand to 192GB across four slots.

How it compares

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

Price $6,412.99
Pricier than about 90% 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 typeGaming & Entertainment
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Core Ultra 7
CPU modelIntel Core Ultra 7 265K
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 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 are the case dimensions and motherboard form factor so I can confirm the Z890 TUF ATX board fits?

The Corsair 4000D case measures 490 x 239 x 486 mm and accepts ATX motherboards, so the Z890 TUF board fits without modification.

Which CPU socket and cooler mounting hardware are used for the Core Ultra 7 265K installation?

The processor uses the LGA 1851 socket and the included 240 mm AIO cooler comes with the matching bracket pre-applied; align the pump block before tightening the four thumb-screws in a cross pattern.

How many M.2 slots remain free for future SSD upgrades after the 1 TB Samsung 990 PRO is installed?

The Z890 TUF motherboard provides four M.2 connectors; one is occupied by the factory 1 TB drive, leaving three open slots for additional NVMe storage.

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