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Adamant Custom

Adamant Custom 24-Core Liquid Cooled Gaming Desktop PC Intel Ultra 9 285K 32GB DDR5 8TB NVMe 10TB HDD RTX 5090

SKU CH-J2EY-YNQ48

Liquid-cooled 24-core Intel Ultra 9 desktop with 32GB DDR5, 8TB NVMe, 10TB HDD and RTX 5090 graphics

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity32 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5090
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K drives heavy multi-thread workloads
  • 32 GB DDR5 memory handles large datasets and multitasking
  • 8 TB NVMe SSD plus 10 TB HDD gives massive fast storage
  • GeForce RTX 5090 32 GB GPU powers 4K gaming and AI tasks
  • 360 mm liquid cooler keeps CPU temperatures low under load

24-Core Liquid-Cooled Workstation

The Adamant Custom desktop pairs a 24-core Intel Core Ultra 9 285K processor with 32GB of DDR5 memory and an Nvidia GeForce RTX 5090 graphics card. A 360mm liquid cooler manages CPU thermals while the system ships with Windows 11 Pro installed. It targets creators and gamers who need high multi-threaded throughput and 32GB of video memory in a single tower.

Tower Build With Front USB 3.2 Gen 2x2

The white tempered-glass chassis measures 447 x 215 x 469 mm and holds two 3.5-inch and two 2.5-inch internal bays. Front I/O includes one USB 3.2 Gen 2x2 Type-C port, two USB 3.0 ports and dual audio jacks. A Thermaltake Toughpower 1200W 80 PLUS Gold unit with Japanese capacitors and a 140mm fan delivers protected, low-noise power. Rear connectivity adds USB4 Type-C, multiple USB 3.2 and 2.0 ports, Intel 2.5Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4.

Storage Layout And Expansion Headroom

Dual 4TB Samsung 990 PRO NVMe drives occupy two M.2 slots, leaving one M.2 connector and four SATA 6Gb/s ports with RAID 0, 1, 5, 10 support for further upgrades. The 10TB hard drive uses a 3.5-inch bay, so the second bay remains open for additional bulk storage. Four DDR5 slots are populated to 32GB with a 192GB ceiling, and the Z890 motherboard provides mid-board headers for extra front-panel USB Type-C and Type-A connections.

How it compares

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

Price $8,624.99
Pricier than about 91% of the 24,925 comparable items (median $2,694.99).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.
SSD storage 8 TB NVMe
Higher than about 99% of the 24,468 comparable items (median 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 capacity32 GB DDR5
Memory slots4 total
Max supported RAM192 GB
Storage
SSD storage8 TB NVMe
Hard drive10 TB
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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What PCIe generation does the Z890 chipset use for the Samsung 990 PRO SSDs, and what sequential speeds does that cap in practice?

The Z890 board wires the two M.2 slots to PCIe 4.0 x4, so each Samsung 990 PRO reaches up to 7450 MB/s read and 6900 MB/s write in real workloads.

What clearance does the 360 mm radiator need, and which fan mounts does it occupy in this case?

The 360 mm AIO fits the top of the chassis, using the three 140 mm fan positions; the case measures 447 mm deep, 215 mm wide and 469 mm high, leaving room for the radiator and fans.

How is the RTX 5090 powered from the Thermaltake 1200 W unit, and which cable mistake do builders make?

The PSU includes native 12VHPWR cables — plug the single 16-pin connector straight into the card; the common error is using two 8-pin adapters instead of the dedicated lead.

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