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Black mid-tower with tempered glass side panel, liquid cooler visible inside

Adamant Custom

Adamant Custom Gaming Desktop PC Intel Core Ultra 5 245K 64GB DDR5 1TB NVMe RTX 5090

SKU CH-G3RR-KH7QQ

Liquid-cooled desktop with a 14-core Intel Core Ultra 5 245K, 64GB DDR5, 1TB NVMe SSD and Nvidia GeForce RTX 5090 32GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 5
  • RAM capacity64 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 5 245K
  • 14-core Intel Core Ultra 5 245K up to 5.20 GHz
  • 64GB DDR5 high-performance memory expandable to 192 GB
  • 1TB Samsung 990 PRO NVMe PCIe 4.0 reads up to 7450 MB/s
  • Nvidia GeForce RTX 5090 32GB graphics
  • 240mm liquid CPU cooler with 140mm quiet fan

Built for Gaming and Media Work

This desktop combines a 14-core Intel Core Ultra 5 245K processor with an Nvidia GeForce RTX 5090 graphics card. Liquid cooling keeps the CPU stable during long rendering or gaming sessions. It ships with Windows 11 Pro and 64GB of DDR5 memory for immediate use.

The GPU That Sets the Tier

The GeForce RTX 5090 carries 32GB of video memory, a figure that determines whether the system fits high-resolution texture workloads or multi-monitor setups. Builders who need more VRAM for offline AI training or 8K video timelines will find this ceiling fixed. No other graphics option is offered in this configuration.

Memory and Storage Headroom

Sixty-four gigabytes of DDR5 handles large project files and heavy multitasking with room to expand to 192GB across four slots. The 1TB Samsung 990 PRO NVMe drive delivers read speeds up to 7450 MB/s and writes up to 6900 MB/s, enough for active projects; additional M.2 slots and drive bays remain open for larger media libraries.

How it compares

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

Price $6,158.99
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).

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Specifications

Product
Year of release2026
Product typeGaming & Entertainment
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Core Ultra 5
CPU modelIntel Core Ultra 5 245K
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

How does the 14-core Intel Core Ultra 5 245K perform inside this desktop?

The 14-core Intel Core Ultra 5 245K runs at 4.2 GHz base and up to 5.20 GHz boost with 24 MB L3 cache, cooled by a 240 mm liquid AIO for sustained multi-threaded workloads.

What does the Thunderbolt 4 Type-C port on the Z890 motherboard actually limit?

Thunderbolt 4 caps at 40 Gbps for data and video, so external NVMe enclosures, dual 4K displays or high-speed docks hit that ceiling before the CPU does.

Will the RTX 5090 and 240 mm radiator fit in the Corsair 4000D case?

The Corsair 4000D measures 490 x 239 x 486 mm and supports a 240 mm front radiator plus full-length graphics cards, so the RTX 5090 and AIO install without modification.

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