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Black mid-tower desktop with tempered glass side panel, liquid cooling visible, ARGB front fans

Adamant Custom

Adamant Custom 20-Core Ultra 7 265K RTX 5090 64GB 8TB Gaming PC

SKU CH-P4ZZ-N65BV

A 20-core Intel Core Ultra 7 265K desktop with RTX 5090 32GB graphics, 64GB DDR5 memory, and 8TB NVMe storage in a liquid-cooled mid-tower

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7
  • RAM capacity64 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 7 265K
  • 20-core Intel Core Ultra 7 265K handles heavy multitasking
  • GeForce RTX 5090 32GB GPU powers 4K gaming and AI workloads
  • 64GB DDR5 memory with four slots expandable to 192GB
  • 8TB NVMe storage via dual 4TB Samsung 990 PRO drives
  • 240mm liquid CPU cooler and 1000W 80 PLUS Gold PSU ensure stable thermals

20-Core Ultra 7 Workstation

The Adamant Custom desktop pairs a 20-core Intel Core Ultra 7 265K processor with 64GB DDR5 memory and an Nvidia GeForce RTX 5090 32GB graphics card. It targets professionals who need AI-ready compute for rendering, modelling and machine-learning workloads alongside high-refresh gaming. The system ships with Windows 11 Pro on an 8TB NVMe array built from two 4TB Samsung 990 PRO drives.

PCIe 4.0 storage ceiling

Sequential reads reach 7450 MB/s and writes 6900 MB/s on the PCIe 4.0x4 interface used by the installed SSDs. The Z890 motherboard provides four M.2 connectors, yet only two are populated, so total capacity can grow without sacrificing the current throughput. Rear I/O includes Thunderbolt 4, USB 20Gbps and USB 10Gbps ports for external expansion.

1000W Gold power headroom

A Thermaltake Toughpower 1000W 80 PLUS Gold unit with Japanese main capacitors powers the 240mm liquid CPU cooler, dual 140mm case fans and the RTX 5090. The 1000W rating leaves margin for future GPU upgrades that draw more than the current card. Builders who need more than 192GB RAM or additional 3.5-inch drive bays should verify the four-slot memory limit and single 3.5-inch bay before committing.

How it compares

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

Price $8,732.99
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 8 TB NVMe
Higher than about 99% 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 storage8 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

Should I choose the 64 GB DDR5 configuration or upgrade to the 192 GB maximum supported?

The system ships with 64 GB DDR5 across four slots. The motherboard supports up to 192 GB total, so you can add modules later if workloads such as large-scale rendering or AI training need more capacity.

What does the 5.50 GHz maximum turbo frequency mean for actual gaming and creative work?

The 20-core Intel Core Ultra 7 265K can boost up to 5.50 GHz on active cores, giving high single-thread speed for game engines and responsive timeline scrubbing in editing apps while the 30 MB L3 cache keeps data close.

How fast are the Samsung 990 PRO drives over the PCIe 4.0 x4 interface in this build?

Each 4 TB drive delivers up to 7450 MB/s read and 6900 MB/s write over PCIe 4.0 x4, so the paired 8 TB array loads massive project files and game assets at near-peak interface throughput.

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