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 desktop with 128GB DDR5, 1TB NVMe, 10TB HDD and RTX 5060 Ti graphics, liquid-cooled in a tempered-glass tower running Windows 11 Pro
This Adamant Custom desktop pairs a 24-core Intel Core Ultra 9 285K processor with a 360 mm liquid cooler and 128 GB of DDR5 memory. The Z890 TUF motherboard provides Thunderbolt 4, Wi-Fi 7 and 2.5 Gb Ethernet connectivity. Windows 11 Pro is pre-installed on a 1 TB Samsung 990 PRO NVMe drive, while a 10 TB hard drive adds bulk storage. An RTX 5060 Ti 8 GB graphics card handles display output.
The 24-core CPU and 128 GB DDR5 excel at rendering, compilation and heavy multitasking where memory capacity matters. Liquid cooling keeps temperatures stable during long sessions. Builders who require multiple high-end GPUs, more than four M.2 slots or a larger chassis should look elsewhere. The single 850 W Bronze PSU and mid-tower case limit extreme multi-GPU configurations.
The 360 mm quiet-edition AIO and four 140 mm case fans move heat away from the CPU continuously, preventing throttle points during extended encodes or simulations. GPU thermals rely on the card’s own cooler within the same airflow path. The 850 W Bronze supply delivers steady power but leaves limited headroom for significant overclocking or additional high-wattage cards.
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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 | 128 GB DDR5 |
| Memory slots | 4 total |
| Max supported RAM | 192 GB |
| Storage | |
| SSD storage | 1 TB NVMe |
| Hard drive | 10 TB |
| Optical drive | No |
| Display | |
| Screen size | No Screen |
| Graphics | |
| Graphics | GeForce RTX 5060 Ti |
| 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 provides four DDR5 slots; 128 GB are already populated, leaving room to reach the 192 GB maximum if you add compatible sticks.
Yes, the mid-board header area includes two USB 2.0 connectors alongside faster Type-C and Type-A ports.
Check the fan-speed read-out in the motherboard BIOS or monitoring software; each 140 mm fan on the 360 mm radiator should report 1500 rpm.
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