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

Skytech

Skytech ST-LEGACY4-1598-B-AL gaming PC, Ryzen 9 9950X3D, RTX 5090 32GB, 64GB DDR5 6000, 2TB NVMe

SKU CH-F6Z4-SA8NC MPN ST-LEGACY4-1598-B-AL

A gaming desktop with a Ryzen 9 9950X3D processor, RTX 5090 32GB GDDR7 graphics, 64GB DDR5 6000 memory and a 2TB NVMe Gen5 SSD, cooled by a 420mm AIO liquid cooler and powered by a 1200W supply.

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 9 9000 Series
  • RAM capacity64 GB DDR5
  • SSD storage2 TB NVMe
  • GraphicsGeForce RTX 5090
  • ChipsetAMD X870

Configuration Antec P1 Performance Black / 9950X3D / 5090 / 64G / 2T

Show 3 more
  • Ryzen 9 9950X3D reaches 5.7 GHz turbo for peak gaming frames
  • RTX 5090 32GB GDDR7 drives 4K ray-traced visuals at high refresh
  • 64GB DDR5 6000 memory keeps heavy multitasking smooth
  • 2TB NVMe Gen5 SSD loads games and assets in seconds
  • 420mm AIO liquid cooler sustains CPU clocks under prolonged loads

Skytech Legacy 9950X3D RTX 5090 system

This pre-built desktop pairs an AMD Ryzen 9 9950X3D processor with an NVIDIA GeForce RTX 5090 graphics card. It targets enthusiasts who want maximum single-thread and multi-thread performance for 4K gaming and heavy content creation without assembling parts themselves. The system ships with Windows 11 Home installed and ready to use.

64GB DDR5 6000 RGB memory and 2TB Gen5 NVMe SSD

The 64GB DDR5 6000 kit with RGB heat spreaders fills two of four slots, leaving room for future expansion. A 2TB NVMe Gen5 drive provides fast boot and load times for large game libraries. A 420mm AIO liquid cooler with ARGB fans handles the CPU thermal load, while the 1200W ATX 3.0 Gold power supply delivers stable power to the GPU and CPU.

Suited for 4K gamers and AI workloads needing 32GB

Buyers who need 32GB of GDDR7 video memory for large language models or high-resolution texture packs will benefit. Those who require more than 2TB of primary storage or prefer air cooling over a 420mm liquid loop should consider other configurations. The motherboard uses the AMD X870 chipset with AM5 socket.

How it compares

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

Price $4,569.99
Pricier than about 82% 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).
Memory size 64 GB DDR5
Higher than about 60% of the 11,703 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-LEGACY4-1598V2-C01-*-**
Product typeGaming & Entertainment
Year of release2025
Recommended useConsumer
Product colorBlack
Processor
ProcessorAMD Ryzen 9 9000 Series
CPU modelAMD Ryzen 9 9950 × 3D
CPU socketAM5
ChipsetAMD X870
Turbo clock speed5.7 GHz
Base clock speed4.3 GHz
Memory
RAM capacity64 GB DDR5
Memory size64 GB DDR5
RAM type and speedDDR5 6000
Memory slots2/4
Storage
SSD storage2 TB NVMe
Storage drive2 TB NVMe
Hard driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsGeForce RTX 5090
VR readyYes
Power
Power supply1200 W
Size & build
Shipping weight23.59 kg
Package size660 × 610 × 381 mm
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Home
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Other versions of this model

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Questions about this item

What replacement interval is recommended for the 420mm AIO liquid cooler on the Ryzen 9 9950X3D?

The 420mm AIO is a sealed unit; no user-serviceable fluid replacement is required under normal operation.

Which component hits its thermal limit first when the RTX 5090 32GB and Ryzen 9 9950X3D run at full load for hours?

The GPU and CPU each manage their own boost curves; the 1200W power supply and 420mm AIO are sized to keep both within spec during sustained workloads.

How loud and hot does the system get when the 1200W PSU and 420mm AIO run all day under load?

The 420mm AIO and 1200W Gold ATX 3.0 PSU are built for continuous delivery; fan speeds scale with temperature to balance acoustics and thermals.

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