PC build
Gundam Astral Ultra 9 RTX 5090 Tower
This high-performance enthusiast build centers on an Intel Core Ultra 9 285K and an NVIDIA RTX 5090, housed within a specialized Thermaltake The Tower 900
Component prices & shopping links
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| Part | Component | AUD price & shopping |
|---|---|---|
| cpu | Intel Core Ultra 9 285K | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| gpu | ROG Astral GeForce RTX 5090 32GB GDDR7 OC Edition | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| motherboard | ASUS ROG Maximus Z890 Hero | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | G.SKILL Trident Z5 Royal 48GB (2x24GB) DDR5-8000 CL40 Desktop Memory | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | Crucial T705 1TB NVMe M.2 + Samsung 990 PRO 4TB NVMe M.2 x2 | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| psu | Seasonic VERTEX GX-1200 - 1200W - 80 Plus Gold - ATX 3.0 & PCIe 5.0 Ready - Full-Modular Power Supply | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| case | BRO Custom Thermaltake The Tower 900 Gundam-Themed Build Case | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
What this build is good for
This high-performance enthusiast build centers on an Intel Core Ultra 9 285K and an NVIDIA RTX 5090, housed within a specialized Thermaltake The Tower 900 chassis. It is optimized for heavy-duty tasks including 4K/8K gaming, high-end 3D rendering, and local AI training. The ASUS ROG Maximus Z890 Hero provides a stable platform with advanced connectivity like PCIe 5.0 and Wi-Fi 7. While the 1200W Seasonic power supply is capable of handling the high peak power requirements of these components, the build demands meticulous cable management and custom liquid cooling integration to manage heat effectively. Significant challenges include sourcing the RTX 5090 amid market scarcity and price volatility, and ensuring memory stability with high-speed DDR5-8000 kits. Prospective users should verify all components against the motherboard's Qualified Vendor List (QVL) to ensure operational success for this premium configuration.
- RTX 5090 supply chain and pricing volatility
- Custom loop dependency for effective thermal management
- Complexity of configuring extreme-speed DDR5 memory
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Useful next steps
Verify RAM Stability
High-speed DDR5-8000 memory is sensitive to the memory controller; check the ASUS QVL for the specific G.SKILL kit to ensure compatibility.
Confirm PSU Version
Ensure the Seasonic VERTEX GX-1200 is an ATX 3.1-compliant unit to guarantee native support for the 12V-2x6 connector.
Custom Loop Cooling
The Tower 900 chassis is designed for large-scale custom liquid cooling loops; ensure sufficient radiator capacity for the 285K and 5090.