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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Tower workstation with a 24-core Intel Core Ultra 9 285K, RTX 5080 16 GB, 192 GB DDR5, 8 TB NVMe and 10 TB HDD
This tower workstation pairs a 24-core Intel Core Ultra 9 285K processor with an Nvidia GeForce RTX 5080 graphics card. It targets professionals who need high thread counts for rendering, modelling and AI learning workloads. The system ships with Windows 11 Pro and 192 GB of DDR5 memory installed across four slots.
The two Samsung 990 PRO SSDs operate over a PCIe 4.0 x4 interface, delivering sequential reads up to 7450 MB/s and writes up to 6900 MB/s. The Z890 motherboard provides four M.2 connectors and four SATA 6 Gb/s ports with RAID 0, 1, 5 and 10 support. Rear I/O includes one USB4 Type-C, two USB 3.2 Gen 2 and three USB 3.2 Gen 1 ports.
The platform supports a maximum of 192 GB of DDR5, which this build already reaches using all four memory slots. No further memory upgrades are possible without replacing the installed modules. Buyers who anticipate larger datasets should verify that this ceiling meets their project requirements before purchasing.
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| Product | |
|---|---|
| Year of release | 2026 |
| 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 | 192 GB DDR5 |
| Memory slots | 4 total |
| Max supported RAM | 192 GB |
| Storage | |
| SSD storage | 8 TB NVMe |
| Hard drive | 10 TB |
| 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 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 | Tower |
| Compatibility | |
| Windows 11 support | Ready |
| Software | |
| Operating system | Windows 11 Pro |
| More details | |
| AI capability | AI Ready |
| Cooling method | Liquid Cooling |
The board has four slots and the 192 GB kit already fills them to the 192 GB maximum, so no further DDR5 can be added without replacing modules.
The 24-core CPU reaches 5.70 GHz on active cores, giving strong single-thread speed for gaming and quick response in rendering or AI tasks.
Each 4 TB drive reads up to 7450 MB/sec and writes up to 6900 MB/sec, so large project files load and save in seconds.
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