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, 32GB DDR5, 4TB NVMe SSD, 10TB HDD and integrated Radeon graphics
The Adamant Custom desktop is a new mid-tower workstation built around an 8-core Ryzen 7 9800X3D processor clocked at 4.7 GHz with a 5.20 GHz boost and 96 MB of L3 cache. Thirty-two gigabytes of DDR5 memory and a 4 TB NVMe SSD provide a responsive platform for gaming and content creation. Integrated Radeon graphics drive displays through HDMI and two USB4 ports.
A 240 mm liquid cooler keeps the CPU at stable temperatures inside the Antec P10 FLUX case, which includes sound-dampening panels and pre-installed 120 mm fans at front, rear and PSU shroud. The Thermaltake Smart 850W 80 PLUS Bronze power supply delivers protected power with a quiet 140 mm fan. The PRIME X870-P motherboard adds rear USB4, USB 10Gbps, USB 5Gbps and USB 2.0 ports plus internal M.2 and SATA connectors for further expansion.
The 4 TB Samsung 990 PRO SSD reaches sequential reads of 7450 MB/s and writes of 6900 MB/s for fast OS and application loading, while a 10 TB hard drive with 256 MB cache stores large media libraries. Four memory slots support up to 192 GB of DDR5 for future upgrades. Integrated graphics limit high-resolution 3D workloads, so buyers who need dedicated GPU performance should plan to add a discrete card.
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| Product | |
|---|---|
| Year of release | 2026 |
| 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 | 4 TB NVMe |
| Hard drive | 10 TB |
| 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 | Mid Tower |
| Compatibility | |
| Windows 11 support | Ready |
| Software | |
| Operating system | Windows 11 Pro |
| More details | |
| AI capability | AI Ready |
| Cooling method | Liquid Cooling |
The Ryzen 7 9800X3D has a 96 MB L3 cache and boosts up to 5.20 GHz. The 240 mm liquid cooler and case fans manage thermals during extended sessions.
The Thermaltake Smart 850 W unit uses a 140 mm ultra-quiet fan. The 240 mm Quiet Edition AIO and four 120 mm case fans are designed for low noise levels.
The PRIME X870-P board includes onboard Intel 2.5 Gb LAN and Wi-Fi 7 2x2 with antenna headers; antennas are typically bundled with the motherboard.
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