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 liquid-cooled gaming desktop with a 16-core Ryzen 9 9950X, 96 GB DDR5 and a 1 TB NVMe drive, ready for AI workloads
The Adamant Custom tower is a liquid-cooled desktop built around a 16-core AMD Ryzen 9 9950X processor running at 4.3 GHz with a 5.70 GHz boost. It ships with 96 GB of DDR5 memory across four slots and a 1 TB Samsung 990 PRO NVMe drive. Windows 11 Pro is pre-installed on the 2026 platform.
A 360 mm quiet-edition AIO cooler keeps the CPU stable during extended rendering, compilation or simulation workloads. The Thermaltake Smart 850 W 80 PLUS Bronze unit with Japanese main capacitors and a 140 mm fan delivers continuous power with over-voltage, under-voltage, over-power and short-circuit protection. Integrated graphics handle display output via HDMI and DisplayPort.
The Corsair 4000D case provides two internal 3.5-inch and two 2.5-inch bays for additional storage. The PRIME X870-P motherboard offers four M.2 connectors, two SATA 6 Gb/s ports and rear I/O including two USB4 40 Gbps Type-C ports, one USB 10 Gbps, three USB 5 Gbps and four USB 2.0 ports. Front panel adds one USB 3.2 Type-C and two USB 3.2 Gen1 ports. Verify case clearance for the 490 mm depth and Wi-Fi 7 / Bluetooth 5.4 antenna placement.
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| Product | |
|---|---|
| Year of release | 2026 |
| Product color | Black |
| Processor | |
| Processor | AMD Ryzen 9 9000 Series |
| CPU model | AMD Ryzen 9 9950X |
| CPU socket | AM5 |
| Memory | |
| RAM capacity | 96 GB DDR5 |
| Memory slots | 4 total |
| Max supported RAM | 192 GB |
| Storage | |
| SSD storage | 1 TB NVMe |
| Hard drive | No |
| Optical drive | No |
| Display | |
| Screen size | No Screen |
| Graphics | |
| Graphics | Integrated Graphics |
| 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 360 mm Quiet Edition AIO is designed for low-noise CPU cooling, while the Thermaltake Smart 850 W unit uses a 140 mm fan rated for quiet operation and Japanese main capacitors for stable delivery.
The motherboard rear I/O provides HDMI and DisplayPort outputs driven by the Intel integrated GPU, so a monitor with either HDMI or DisplayPort input and the matching cable is required.
Yes, the Corsair 4000D case includes two 3.5-inch and two 2.5-inch internal bays, and the PRIME X870-P motherboard offers two SATA 6 Gb/s ports for additional drives.
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