PC build

Ryzen 7 7800X3D & RTX 5090 Enthusiast Build

This high-end PC build features the AMD Ryzen 7 7800X3D and the NVIDIA GeForce RTX 5090, creating a formidable system for 4K gaming, high-fidelity renderin

8 identified componentsSource-backed researchShopping in Australia

Component prices & shopping links

Recorded component subtotal · AUD$1,037.00
3/8 prices recorded

0 recent in-stock offers · 3 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.

Prices update in the background. Observed prices remain available.
PartComponentAUD price & shopping
cpuAMD 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.
gpuNVIDIA GeForce RTX 5090 32GB GDDR7Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
motherboardASRock X670E PG LIGHTNINGPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
ram32GB DDR5 6000MHz Desktop Memory Kit (2x16GB)Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
storageSamsung 990 Pro 2TB NVMe SSD + Samsung 870 QVO 1TB SSDPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
psuCORSAIR RM1000x 1000W 80 PLUS Gold Fully Modular ATX Power Supply$299.00
Last seenOct 15, 2026, 8:05 AM UTCCurrent price and stock need a new check.Confirm variant, stock, shipping and tax at checkout.
caseCorsair 4000D Airflow Mid Tower ATX CasePrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
coolerbe quiet! Dark Rock 4$129.00
Last seenOct 12, 2026, 7:00 AM UTCOut of stock at the last check.Confirm variant, stock, shipping and tax at checkout.

What this build is good for

This high-end PC build features the AMD Ryzen 7 7800X3D and the NVIDIA GeForce RTX 5090, creating a formidable system for 4K gaming, high-fidelity rendering, and AI-accelerated workloads. The 7800X3D is widely recognized for its superior gaming performance through 3D V-Cache, while the Blackwell-based RTX 5090 represents the absolute peak of GPU compute power. The ASRock X670E motherboard provides essential PCIe 5.0 support for future hardware. However, this pairing creates intense thermal and power demands. The 575W GPU TDP necessitates a high-capacity power supply and robust case airflow. The chosen air cooler is likely insufficient to handle the sustained heat output of such a high-performance system, and the mid-tower chassis requires careful fan configuration to maintain optimal operating temperatures under heavy load. This build is overkill for basic everyday tasks but excels in professional content creation and extreme enthusiast gaming.

High-refresh-rate 4K and 8K gamingProfessional AI model training and inferenceComplex 3D rendering and visual effectsHigh-bitrate video editing
What still needs confirmation
  • Thermal throttling risk during sustained heavy workloads
  • Potential physical clearance issues with large aftermarket GPU designs
  • Case airflow constraints when using high-heat components

Google Search suggestions for this research

Useful next steps

high priority

Upgrade to AIO Liquid Cooling

The Dark Rock 4 is inadequate for managing the thermal output of a high-performance system under sustained heavy loads; a 360mm AIO is recommended.

high priority

Verify PSU Connectivity

Ensure the power supply features a native 12V-2x6 cable to support the RTX 5090 without unreliable adapters.

medium priority

Enhance Case Airflow

The Corsair 4000D requires additional high-static pressure fans to exhaust the significant heat generated by the RTX 5090.