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 Intel Core Ultra 9 285K workstation with 32GB DDR5, 2TB NVMe SSD, 10TB HDD and Nvidia RTX PRO 2000 Blackwell 16GB graphics, liquid-cooled in a tempered-glass mid-tower running Windows 11 Pro
This desktop is built around a 24-core Intel Core Ultra 9 285K processor and an Nvidia RTX PRO 2000 Blackwell graphics card with 16GB of VRAM. It targets engineers and designers who need certified drivers and ECC-ready memory capacity for SolidWorks, CAM and CAE workloads. The system ships with Windows 11 Pro and 32GB of DDR5 installed.
The single specification that determines suitability is the 16GB frame buffer on the RTX PRO 2000 Blackwell, which is certified for professional CAD and simulation applications. Consumer GeForce cards lack the same driver validation and may exhibit viewport artefacts or calculation errors in large assemblies. Buyers who need more GPU memory for massive datasets should look elsewhere.
The PC arrives fully assembled with a 360mm liquid cooler on the CPU and a 850W Bronze PSU installed. The Antec P20 case provides two internal 3.5-inch bays and two 2.5-inch bays; the 10TB hard drive occupies one 3.5-inch bay, leaving one 3.5-inch and both 2.5-inch bays free for expansion. Builders who need additional 3.5-inch drives must add a cage or choose a different chassis.
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| Product | |
|---|---|
| Product type | Business Desktops & Workstations |
| Year of release | 2026 |
| Recommended use | Workstation |
| Product color | Black |
| Processor | |
| Processor | Intel Core Ultra 9 (Series 2) |
| CPU model | Intel Core Ultra 9 285K |
| CPU socket | LGA 1851 |
| Memory | |
| RAM capacity | 32 GB DDR5 |
| Memory slots | 4 total |
| Max supported RAM | 192 GB |
| Storage | |
| SSD storage | 2 TB NVMe |
| Hard drive | 10 TB |
| Optical drive | No |
| Display | |
| Screen size | No Screen |
| Graphics | |
| Graphics | Nvidia RTX PRO 2000 Blackwell |
| Audio & video | |
| Audio chip | Integrated |
| Sound channels | 7.1 channels |
| Connectivity | |
| Wi-Fi standard | Wi-Fi 7 |
| Network speed | 2.5 Gbit/s |
| Ethernet controller | Integrated |
| Wi-Fi | 802.11be Wireless LAN |
| Bluetooth support | 5.4 |
| Ports & slots | |
| Ethernet port | 1 port |
| Size & build | |
| Form factor | Desktop |
| Compatibility | |
| Windows 11 support | Ready |
| Software | |
| Operating system | Windows 11 Pro |
| More details | |
| AI capability | AI Ready |
| Cooling method | Liquid Cooling |
The 24-core processor runs at 3.7 GHz base and can boost to 5.70 GHz with 36 MB L3 cache, giving strong multi-threaded throughput for CAD, CAM and CAE modelling workloads.
Sequential reads reach up to 7450 MB/sec and writes up to 6900 MB/sec on the four-lane PCIe 4.0 interface.
The case measures 469 mm deep, 220 mm wide and 490 mm high, and the 360 mm radiator mounts inside the top of the chassis.
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