Skytech ST-LEGACY4-1686-B-AL gaming PC Ryzen 9 9900X3D RTX 5090 32GB 64GB DDR5 4TB NVMe
- Ryzen 9 9000
- Ryzen 9 9900 × 3D
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A 24-core liquid-cooled i9-14900K and RTX 5080 gaming desktop with 32GB DDR5, 8TB NVMe storage and Windows 11 Pro
This desktop pairs a 24-core Intel Core i9-14900K with a GeForce RTX 5080 16GB GPU, 32GB DDR5 memory and 8TB of NVMe storage in a Corsair 4000D tower. It targets creators and engineers who need sustained multi-thread throughput and high-end graphics horsepower in a single pre-built system. The 360mm liquid cooler and 1000W Gold PSU support continuous heavy loads without thermal throttling.
The jump is worth it when rendering, simulation or 4K gaming workloads exceed the thermal and power headroom of a standard air-cooled CPU and a 12GB-class GPU. Doubling VRAM to 16GB and adding 24 cores with 32 threads removes the bottlenecks that force compromises in texture quality, batch size or compile times. Buyers who only need 1080p gaming or light office work will not use this headroom.
The CPU block, radiator, GPU and power supply are factory-fitted inside the 490 x 239 x 486 mm chassis, so no builder-time compatibility checks are required. The only common friction point is the physical length of the RTX 5080 in tighter third-party cases — not an issue here. Four DDR5 slots remain open for future expansion up to 192GB, and three M.2 connectors are free for additional NVMe drives.
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| Product | |
|---|---|
| Year of release | 2026 |
| Product color | Black |
| Processor | |
| Processor | Intel Core i9 14th Gen |
| CPU model | Intel Core i9-14900K |
| CPU socket | LGA 1700 |
| Memory | |
| RAM capacity | 32 GB DDR5 |
| Memory slots | 4 total |
| Max supported RAM | 192 GB |
| Storage | |
| SSD storage | 8 TB NVMe |
| Hard drive | No |
| Optical drive | No |
| Display | |
| Screen size | No Screen |
| Graphics | |
| Graphics | GeForce RTX 5080 |
| Audio & video | |
| Audio chip | Integrated |
| Sound channels | 7.1 channels |
| Connectivity | |
| Wi-Fi standard | Wi-Fi 6 |
| Network speed | 2.5 Gbit/s |
| Ethernet controller | Integrated |
| Wi-Fi | 802.11ax Wireless LAN |
| Bluetooth support | 5.2 |
| Ports & slots | |
| Ethernet port | 1 port |
| Size & build | |
| Form factor | Tower |
| Compatibility | |
| Windows 11 support | Ready |
| Software | |
| Operating system | Windows 11 Pro |
| More details | |
| AI capability | AI Ready |
| Cooling method | Liquid Cooling |
The Corsair 4000D Series chassis measures 490 mm deep by 239 mm wide by 486 mm high, providing room for the 360 mm radiator and two 3.5-inch or 2.5-inch drive bays.
Connect the 24-pin ATX cable, the 8-pin EPS cable near the LGA 1700 socket, and the PCIe power cables from the Thermaltake Toughpower 1000W 80 PLUS Gold unit to the graphics card.
The Z790 PRIME board has four DDR5 slots; 32 GB are installed, leaving three slots open up to the 192 GB maximum.
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