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Black mid-tower gaming desktop with tempered glass side panel and RGB lighting visible inside

Skytech

Skytech ST-LEGACY4-1599-B-AL gaming PC, Ultra 9 285K, RTX 5090 32GB, 64GB DDR5 6000, 2TB NVMe, 1200W

SKU CH-1680-E75JM MPN ST-LEGACY4-1599-B-AL

Gaming desktop with an Intel Core Ultra 9 285K processor, RTX 5090 32GB GDDR7 graphics, 64GB DDR5 6000 memory and a 2TB NVMe SSD

  • ProcessorIntel Core Ultra 9
  • Graphics memory32 GB GDDR7
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • ChipsetIntel Z890
  • CPU modelIntel Core Ultra 9 285K

Configuration Antec P1 Performance Black / U9 285K / 5090 / 64G / 2T

Show 5 more

GPU 5090

CPU U9 285K

  • Intel Core Ultra 9 285K reaches 5.7 GHz turbo for responsive compute
  • NVIDIA RTX 5090 with 32 GB GDDR7 drives high-fidelity gaming and AI workloads
  • 64 GB DDR5 6000 memory sustains multitasking and creative throughput
  • 2 TB Gen5 NVMe SSD loads games and projects fast
  • 1200 W Gold ATX 3.0 PSU and 420 mm AIO keep the system stable under load

Built for AI workloads and 4K gaming

This desktop pairs an Intel Core Ultra 9 285K processor with an NVIDIA GeForce RTX 5090 graphics card holding 32 GB of GDDR7 memory. The system targets creators and enthusiasts who need local AI acceleration alongside high-frame-rate 4K play. Windows 11 Home 64-bit is pre-installed on the 2 TB Gen5 NVMe SSD.

Capacity and headroom

Sixty-four gigabytes of DDR5 6000 memory provides ample space for large language models, heavy multitasking and complex creative timelines. The 2 TB NVMe drive holds the operating system and active project files, though users with extensive media libraries will need secondary storage. The 1200 W ATX 3.0 power supply delivers stable current for the GPU and CPU under sustained load.

What the bundled cooler and software change

A 420 mm AIO liquid cooler with ARGB fans keeps the Ultra 9 285K at 3.7 GHz base and 5.7 GHz turbo clocks during long renders. Intel AI Boost built into the CPU handles real-time video and voice optimisation for streaming and conferencing. NVIDIA Tensor cores and DLSS 4 on the RTX 5090 accelerate Stable Diffusion, image enhancement and high-refresh gaming without extra configuration.

How it compares

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

Price $4,776.99
Pricier than about 84% of the 24,925 comparable items (median $2,694.99).
Graphics memory 32 GB GDDR7
Higher than about 91% of the 10,551 comparable items (median 16 GB).
RAM capacity 64 GB DDR5
Higher than about 60% of the 24,338 comparable items (median 32 GB).

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
Brand nameSkytech
Model nameSTT-LEGACY4-1599-C05-*-**
Product typeGaming & Entertainment
Year of release2025
Recommended useConsumer
Product colorBlack
Processor
ProcessorIntel Core Ultra 9
CPU modelIntel Core Ultra 9 285K
CPUIntel Core Ultra U9 285K
CPU socketLGA 1851
ChipsetIntel Z890
Turbo clock speed5.7 GHz
Base clock speed3.7 GHz
Memory
RAM capacity64 GB DDR5
Memory size64 GB DDR5
RAM type and speedDDR5 6000
Storage
SSD storage2 TB NVMe
Storage drive2 TB NVME SSD
Hard driveNo
Graphics
Graphics memory32 GB GDDR7
GraphicsGeForce RTX 5090
VR readyYes
Power
Power supply1200 W
Size & build
Shipping weight13.61 kg
Package size612 × 597 × 318 mm
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Home

Other versions of this model

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Questions about this item

Will my existing PCIe 4.0 NVMe SSD work in the Z890 motherboard alongside the 2TB Gen5 NVMe?

Yes, the Z890 board supports PCIe 4.0 drives so your older NVMe SSD will function normally next to the 2TB Gen5 NVMe.

How can I confirm the 64GB DDR5 6000 memory is running at its rated speed after first boot?

Open Task Manager or enter the BIOS and verify the memory frequency reads 6000 MT/s.

Does the 1200W Gold ATX 3.0 power supply include the 12VHPWR cable needed for the RTX 5090 32GB GDDR7?

The 1200W Gold ATX 3.0 unit ships with the native 12VHPWR connector required by the RTX 5090.

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