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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Liquid-cooled gaming desktop with an 8-core Ryzen 7 9800X3D, RTX 5070 Ti graphics, 32 GB DDR5 memory and 8 TB NVMe storage
This desktop pairs an eight-core Ryzen 7 9800X3D processor with an RTX 5070 Ti graphics card and 32GB of DDR5 memory. The 8TB NVMe array stores large game libraries and project files. It ships with Windows 11 Pro and is suited to enthusiasts who want a ready-to-run tower for high-refresh gaming and content creation.
A 240mm liquid cooler handles the processor while the Thermaltake Smart 850W unit delivers stable power with Japanese capacitors and a quiet 140mm fan. The CoolerMaster HAF 500 case adds front 200mm ARGB fans, a rear 120mm ARGB fan and a dedicated GPU fan. Four M.2 slots and internal 3.5-inch and 2.5-inch bays leave room for future storage expansion.
The CPU offers 96MB of L3 cache and can boost to 5.20 GHz, sustaining throughput during long compile or render sessions. Dual Samsung 990 PRO drives reach 7450 MB/s read and 6900 MB/s write, keeping asset streaming smooth. Wi-Fi 7 and Intel 2.5Gb Ethernet maintain low-latency connectivity for multiplayer and streaming workloads.
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| Product | |
|---|---|
| Year of release | 2026 |
| Product type | Gaming & Entertainment |
| Recommended use | Gaming |
| Product color | Black |
| Processor | |
| Processor | AMD Ryzen 7 9000 Series |
| CPU model | AMD Ryzen 7 9800 × 3D |
| CPU socket | AM5 |
| 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 5070 Ti |
| GPU interface | PCI Express x16 |
| 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 240 mm liquid CPU cooler and 850 W 80 PLUS Bronze supply are built for the 8‑core 9800X3D and RTX 5070 Ti combination.
Front 200 mm ARGB fans, rear 120 mm ARGB fan and the PSU's 140 mm low‑noise fan move high airflow at low RPM for quiet operation.
The TUF X870‑PLUS board includes four M.2 connectors and PCIe 5.0 lanes, so both 4 TB drives fit with room for more storage.
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