PC build
Ryzen 7 7800X3D + RTX 5070 Gaming Build
This PC build features the AMD Ryzen 7 7800X3D and an NVIDIA GeForce RTX 5070, a pairing well-suited for high-end gaming and demanding productivity. The 78
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 | NVIDIA GeForce RTX 5070 | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | 32GB RAM | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | 2TB Storage | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
What this build is good for
This PC build features the AMD Ryzen 7 7800X3D and an NVIDIA GeForce RTX 5070, a pairing well-suited for high-end gaming and demanding productivity. The 7800X3D leverages 3D V-Cache technology for exceptional gaming performance, while the RTX 5070 provides modern Blackwell-architecture capabilities. However, a critical hardware incompatibility exists: the AM5 platform used by the 7800X3D exclusively supports DDR5 memory, making the selected DDR4 RAM unusable. You must switch to a DDR5-6000 CL30 kit to ensure system boot and memory stability. Additionally, the 7800X3D does not include a thermal solution; a high-quality air or liquid cooler is mandatory to manage its 120W TDP. Ensure your chosen power supply unit features the modern 12V-2x6 connector or includes reliable adapters for the GPU, and verify that your chassis has sufficient physical clearance for the RTX 5070 and adequate airflow for the processor.
- Motherboard model is undefined, affecting specific M.2/front-panel features
- Cooling performance is dependent on an unspecified aftermarket cooler
- Chassis dimensions remain unknown, creating potential clearance issues for the GPU
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Useful next steps
Replace DDR4 RAM with DDR5
The AMD Ryzen 7 7800X3D requires DDR5 memory on the AM5 platform; DDR4 is physically and electrically incompatible. A 32GB (2x16GB) DDR5-6000 CL30 kit is the recommended standard.
Purchase a CPU Cooler
The Ryzen 7 7800X3D is sold without a stock cooler. An effective AM5-compatible air or liquid cooler is necessary to maintain performance within thermal limits.
Verify PSU Connectivity
The RTX 5070 typically utilizes a 12V-2x6 power connector. Ensure the power supply is compatible or provides the correct validated adapter cables.