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Black mid-tower gaming desktop with tempered glass side panel, white interior accents and RGB-lit memory visible inside

Skytech

Skytech ST-LEGACY4-1686-B-AL gaming PC Ryzen 9 9900X3D RTX 5090 32GB 64GB DDR5 4TB NVMe

SKU CH-B1W3-TJEWZ MPN ST-LEGACY4-1686-B-AL

Gaming desktop with Ryzen 9 9900X3D, RTX 5090 32GB GDDR7, 64GB DDR5 6000 and 4TB NVMe SSD

  • CPU TypeAMD Ryzen 9 9000 Series
  • CPU NameAMD Ryzen 9 9900X3D
  • Installed Qty1
  • Max Supported Qty1
  • CPU Base Frequency4.40GHz
  • Turbo Frequency5.50GHz

Option Antec P1 Performance Black / 9900X3D / 5090 / 64G / 4T

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  • Ryzen 9 9900X3D reaches 5.5 GHz turbo for peak gaming frames
  • RTX 5090 with 32 GB GDDR7 drives 4K and VR experiences
  • 64 GB DDR5 6000 memory keeps heavy workloads smooth
  • 4 TB NVMe SSD stores a large library with fast loads
  • 1000 W Gold ATX 3.0 supply delivers stable power to all components

Skytech Legacy 9900X3D RTX 5090 gaming desktop

This pre-built gaming desktop pairs an AMD Ryzen 9 9900X3D processor with an NVIDIA GeForce RTX 5090 graphics card carrying 32 GB of GDDR7 memory. It ships with 64 GB of DDR5 6000 RGB memory and a 4 TB Gen4 NVMe solid-state drive. A 1000 W Gold-rated ATX 3.0 power supply and liquid cooling support the high-end components. Windows 11 Home is installed and the system is assembled in the USA.

Suited for 4K enthusiasts and AI workloads.

The combination of a 16-core CPU with 3D V-Cache and a flagship GPU targets gamers who want maximum frame rates at 4K resolution and creators running local AI inference. The full-size ATX chassis and 1000 W power supply require a standard mid-tower or larger case footprint. Buyers who need a small-form-factor system or a lower power draw should consider alternative configurations.

Bundled keyboard, mouse and tempered-glass case

A free gaming keyboard and mouse are included so the system is ready to use immediately. The Skytech Legacy case features tempered glass panels and a white interior finish for showcase builds. Connectivity includes HDMI and DisplayPort video outputs plus USB 2.0, 3.0 and 3.2 Gen1 ports. No additional software bundles are mentioned beyond the clean Windows 11 Home installation.

特長

  • Ryzen 9 9900X3D reaches 5.5 GHz turbo for peak gaming frames
  • RTX 5090 with 32 GB GDDR7 drives 4K and VR experiences
  • 64 GB DDR5 6000 memory keeps heavy workloads smooth
  • 4 TB NVMe SSD stores a large library with fast loads
  • 1000 W Gold ATX 3.0 supply delivers stable power to all components

仕様

CPU TypeAMD Ryzen 9 9000 Series
CPU NameAMD Ryzen 9 9900X3D
Installed Qty1
Max Supported Qty1
CPU Base Frequency4.40GHz
Turbo Frequency5.50GHz
CPU Socket TypeAM5
GPU/VGA TypeGeForce RTX 5090
GPU Memory32 GB GDDR7
Virtual Reality ReadyYes
Memory Capacity64GB DDR5
Memory SpeedDDR5 6000
SSD4TB NVMe
HDDNo
Operating SystemWindows 11 Home
Power Supply1000W
TypeGaming & Entertainment
Release Year2025
AI FeaturesAI Ready
ColorBlack
Memory64GB DDR5
Cooling SystemLiquid Cooling
Windows 11Ready
BrandSkytech
ModelSTT-LEGACY4-1686-C01-*-**
配送重量24.68 kg
梱包サイズ610 × 584 × 330 mm

このモデルの他のバージョン

同シリーズにさらに 5点

同じファミリーで、メモリ・クーラー・クロックが異なります — 購入前に比較してください。

この商品に関する質問

Do I need to buy a monitor with HDMI or DisplayPort to use the RTX 5090 graphics output?

Yes, the GPU provides one HDMI and one DisplayPort connection, so a display with at least one of those inputs is required.

Can I keep my current DDR5 6000 memory kits and add them to the four installed modules?

The system arrives with 64 GB of DDR5 6000 already installed; the board supports DDR5, so any extra sticks must match that speed and voltage.

How can I confirm the Ryzen 9 9900X3D is hitting its 5.50 GHz turbo clock under load?

Open a hardware monitoring tool such as Task Manager or CPU‑Z while running a heavy workload and watch the core frequency readout reach 5.50 GHz.

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