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

Adamant Custom

Adamant Custom Intel Core Ultra 9 285K RTX 5090 64GB DDR5 2TB NVMe gaming PC

SKU CH-5NJ5-05VH8

A 24-core Intel Core Ultra 9 285K and RTX 5090 32GB GPU power this liquid-cooled desktop with 64GB DDR5 and a 2TB NVMe SSD for rendering, modelling and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy workloads
  • Nvidia GeForce RTX 5090 32GB drives AI learning and high-fidelity rendering
  • 64GB DDR5 with 192 GB maximum capacity supports large datasets
  • 2TB Samsung 990 PRO PCIe 4.0x4 delivers 7450 MB/s read speeds
  • 360 mm liquid cooler and 1200W 80 PLUS Gold PSU sustain peak performance

24-Core Workstation Desktop

This Adamant Custom desktop pairs a 24-core Intel Core Ultra 9 285K with an Nvidia GeForce RTX 5090 for rendering, modelling and AI learning workloads. It ships with Windows 11 Pro on a 2TB Samsung 990 PRO NVMe drive. Liquid cooling and a 1200W 80 PLUS Gold power supply support sustained heavy compute.

RTX 5090 32GB GPU

The single specification that decides fit is the GeForce RTX 5090 with 32GB of video memory. That frame buffer size determines whether large scenes, high-resolution textures or big model weights stay resident on the card. If your pipeline needs more GPU memory than 32GB, this configuration will not meet the requirement.

64GB DDR5 With 192GB Headroom

The system includes 64GB of DDR5 across four slots, leaving room to expand to the motherboard maximum of 192GB. That headroom covers larger datasets and heavier multitasking without an immediate upgrade. The 2TB NVMe SSD handles active projects at up to 7450 MB/s read and 6900 MB/s write; additional M.2 slots and SATA bays are available for secondary storage.

How it compares

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

Price $7,728.99
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 2 TB NVMe
Typical for this category: the median of 24,468 items is 2 TB.

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Specifications

Product
Year of release2026
Product colorBlack
Processor
ProcessorIntel Core Ultra 9 (Series 2)
CPU modelIntel Core Ultra 9 285K
CPU socketLGA 1851
Memory
RAM capacity64 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage2 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 6E
Network speed2.5 Gbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ax 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 does the 24-core Intel Core Ultra 9 285K actually deliver inside this PC?

The processor runs at a 3.7 GHz base clock and can boost up to 5.70 GHz with 36 MB of L3 cache, giving strong multi-threaded throughput for rendering, modelling and AI workloads.

How does the motherboard's USB4 Type-C port limit real-world transfer speed?

The rear USB4 Type-C connector is the fastest external interface on the board; all other rear ports are USB 3.2 Gen 2 or slower, so peak throughput is capped by the USB4 implementation.

Will the 360 mm liquid cooler and RTX 5090 fit in the Corsair 4000D case without clearance issues?

The case measures 490 mm deep by 239 mm wide by 486 mm high and includes a 360 mm radiator mount, while the 1200 W PSU and full-length GPU are both supported by the chassis design.

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