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Black mid-tower gaming PC with tempered glass side panel and ARGB lighting

Adamant Custom

Adamant Custom 24-Core Intel Core Ultra 9 285K RTX 5080 128GB DDR5 8TB NVMe 10TB HDD Gaming PC

SKU CH-0X90-6SBJJ

A 24-core Intel Core Ultra 9 285K and RTX 5080 tower with 128GB DDR5, 8TB NVMe and 10TB HDD for gaming, rendering and AI workloads

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 9 (Series 2)
  • RAM capacity128 GB DDR5
  • SSD storage8 TB NVMe
  • GraphicsGeForce RTX 5080
  • CPU modelIntel Core Ultra 9 285K
  • 24-core Intel Core Ultra 9 285K reaches 5.70 GHz for heavy multitasking
  • RTX 5080 16GB GPU powers 4K gaming and AI workloads
  • 128GB DDR5 memory with 192GB ceiling handles large datasets
  • 8TB NVMe SSD at 7450 MB/s read plus 10TB HDD stores projects fast
  • 360mm liquid cooler and 1000W 80 PLUS Gold PSU keep thermals stable

Workstation-class gaming desktop

This Adamant Custom tower pairs a 24-core Intel Core Ultra 9 285K with an Nvidia GeForce RTX 5080 16GB GPU. The system ships with 128GB of DDR5 memory and a dual-drive layout of 8TB NVMe SSD plus 10TB HDD. It targets creators and AI workloads that need both high thread counts and large local datasets.

PCIe 4.0 storage ceiling

The two Samsung 990 PRO M.2 drives operate over PCIe 4.0 x4, capping sequential reads at 7450 MB/s and writes at 6900 MB/s. Four total M.2 connectors exist on the Z890 board, but only the CPU-attached lanes deliver that bandwidth. Additional NVMe devices would share chipset lanes and run slower.

Liquid-cooled tower with front I/O

A 360 mm quiet-edition AIO handles the CPU while four 140 mm case fans move air at 1500 rpm and 30 dBA each. The Ceres 300 chassis offers one front USB 3.2 Gen 2 Type-C, two USB 3.0 Type-A and HD audio. Rear I/O adds Thunderbolt 4, USB 20 Gbps and 10 Gbps ports plus 2.5 Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4.

How it compares

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

Price $6,499.99
Pricier than about 90% 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 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 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 storage8 TB NVMe
Hard drive10 TB
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5080
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

Should I pick the 8 TB NVMe plus 10 TB HDD combo or look for a larger single NVMe drive?

The system ships with two 4 TB Samsung 990 PRO M.2 SSDs in RAID 0 for the 8 TB NVMe volume and a separate 10 TB 3.5-inch hard drive; the Z890 board has four M.2 slots total, so you can add more NVMe later if you need a single larger boot drive.

What does the 5.70 GHz turbo on the 24-core Ultra 9 285K actually deliver in a liquid-cooled tower?

With the 360 mm AIO the 285K can sustain its 5.70 GHz maximum turbo on lightly threaded workloads; all-core speeds will sit lower depending on the thermal headroom of the 1000 W Gold PSU and case airflow.

Does the Thunderbolt 4 Type-C port on the rear I/O cap at 40 Gbps or share bandwidth with the USB 20 Gbps ports?

The rear Thunderbolt 4 Type-C runs at full 40 Gbps independently; the adjacent USB 20 Gbps Type-C and three USB 10 Gbps ports each operate on their own controllers, so none of them reduce Thunderbolt throughput.

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