PC build
Ryzen 7 7800X3D & ROG Strix RTX 4090 Enthusiast Gaming Workstation
This high-performance build centers on the AMD Ryzen 7 7800X3D and RTX 4090, housed in the spacious Lian Li O11 Dynamic EVO XL. It is designed for elite-ti
Component prices & shopping links
0 recent in-stock offers · 1 last seen prices. The subtotal excludes parts without a recorded price. Last seen prices remain visible until a newer observation replaces them. GST inclusion depends on the merchant; shipping is separate.
| Part | Component | AUD price & shopping |
|---|---|---|
| cpu | AMD Ryzen 7 7800X3D | $609.00 Last seenOct 15, 2026, 12:35 PM UTCCurrent price and stock need a new check.Confirm variant, stock, shipping and tax at checkout. |
| gpu | ASUS ROG Strix GeForce RTX 4090 OC Edition 24GB GDDR6X | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| motherboard | ASUS ROG Crosshair X670E Hero | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | Corsair DOMINATOR TITANIUM RGB 64GB (2 x 32GB) DDR5-6400 CL32 | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | Samsung 990 Pro 4TB NVMe M.2 SSD | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| psu | ASUS ROG Thor 1200W Platinum II (ROG-THOR-1200P2-GAMING) | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| case | Lian Li O11 Dynamic EVO XL | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| cooler | Corsair iCUE LINK H150i LCD 360mm AIO Liquid CPU Cooler | 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 build centers on the AMD Ryzen 7 7800X3D and RTX 4090, housed in the spacious Lian Li O11 Dynamic EVO XL. It is designed for elite-tier gaming and heavy productivity. The build uses premium components like the ASUS ROG Crosshair X670E Hero and a 360mm iCUE LINK AIO, ensuring excellent thermal management and a refined aesthetic. While the core hardware is compatible, the selected Corsair Dominator Titanium RAM is an Intel XMP-optimized kit, which may complicate configuration on the AMD AM5 platform compared to AMD EXPO-certified alternatives. The ROG Thor 1200W II PSU provides reliable power, though it relies on an included adapter for the RTX 4090 rather than a native ATX 3.0/3.1 connection. This system is well-suited for users seeking top-end gaming performance with significant room for future expansion via PCIe 5.0.
- Stability of Intel-optimized RAM on AMD motherboard
- Dependency on adapter for 12VHPWR power delivery
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Useful next steps
Select AMD EXPO RAM
The current RAM is optimized for Intel XMP. Choosing an AMD EXPO-certified DDR5-6000 CL30 kit will provide better stability and easier setup on the AM5 platform.
Verify Cable Seating
Ensure the 16-pin 12VHPWR adapter cable from the PSU is fully and securely seated into the RTX 4090 to prevent thermal issues.