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Black tower case with tempered glass side panel and liquid cooling radiator visible inside

Adamant Custom

Adamant Custom Intel Core Ultra 9 285K 128GB DDR5 1TB NVMe RTX 5080 Gaming PC

SKU CH-B1XK-YRD4G

A 24-core Intel Core Ultra 9 285K desktop with 128GB DDR5, 1TB NVMe storage and an RTX 5080 16GB GPU, liquid cooled in a Corsair 4000D tower running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 GB DDR5
  • SSD storage1 TB NVMe
  • GraphicsGeForce RTX 5080
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy multi-thread workloads
  • 128GB DDR5 memory handles large datasets and simultaneous applications
  • 1TB Samsung 990 PRO NVMe SSD delivers 7450 MB/s reads for fast asset loading
  • Nvidia RTX 5080 16GB GPU accelerates rendering, modelling and AI tasks
  • 360mm liquid cooler and 1000W 80 PLUS Gold PSU sustain performance under load

Tower workstation for creators and AI developers

This 2026 tower desktop combines a 24-core Intel Core Ultra 9 285K processor with 128GB of DDR5 memory and a GeForce RTX 5080 graphics card. Windows 11 Pro is pre-installed on a 1TB NVMe SSD. Liquid cooling and a 1000W 80 PLUS Gold power supply support sustained heavy workloads.

128GB DDR5 memory capacity

Four memory slots hold 128GB of DDR5, expandable to 192GB total. The platform uses the LGA 1851 socket and Z890 chipset. Storage starts with a 1TB Samsung 990 PRO PCIe 4.0 NVMe drive delivering up to 7450 MB/s read and 6900 MB/s write speeds.

Suits rendering editing modelling

Buyers who need more than 1TB of fast storage or who require multiple graphics cards should consider a different configuration. The single RTX 5080 with 16GB VRAM and the single M.2 SSD define the upper limits of this build.

How it compares

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

Price $4,786.99
Pricier than about 84% of the 24,925 comparable items (median $2,694.99).
RAM capacity 128 GB DDR5
Higher than about 80% 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 colorBlack
Processor
ProcessorIntel Core Ultra 9 (Series 2)
CPU modelIntel Core Ultra 9 285K
CPU socketLGA 1851
Memory
RAM capacity128 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 5080
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 factorTower
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Questions about this item

What does the 5.70 GHz boost clock on the Core Ultra 9 285K actually deliver in daily workloads?

The 24-core CPU can reach 5.70 GHz on single-threaded bursts, giving snappy response in gaming and light tasks, while the 36 MB L3 cache helps sustain throughput during rendering or AI model training.

How does the PCIe 4.0 x4 link on the Z890 board limit the Samsung 990 PRO SSD?

The drive is rated for 7450 MB/s reads and 6900 MB/s writes, but the motherboard's PCIe 4.0 x4 interface caps real-world throughput at the PCIe 4.0 ceiling, so peak sequential speeds will not exceed that boundary.

Will the 360 mm liquid cooler and RTX 5080 fit together in the Corsair 4000D case?

The case measures 490 x 239 x 486 mm and supports a 360 mm radiator up front; the RTX 5080 mounts in the standard PCIe slot with ample clearance for the AIO tubing and the 140 mm PSU fan.

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