PC build
Apex Nexus Ultra 5090 - Premium Gaming Powerhouse
This enthusiast-grade build features a high-performance Intel LGA 1851 platform and NVIDIA Blackwell architecture, tailored for 4K/8K gaming, local AI mode
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 | Intel Core Ultra 7 270K Plus | $519.00 Last seenOct 21, 2026, 6:35 PM UTCCurrent price and stock need a new check.Confirm variant, stock, shipping and tax at checkout. |
| gpu | ASUS 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 EXTREME | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | Corsair Dominator Titanium RGB 64GB (4x16GB) DDR5 6400MHz | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | 8TB (2 x 4TB) Corsair MP700 PRO SE Gen5 M.2 SSD + 12TB (3 x 4TB) Corsair MP600 PRO NH Gen4 M.2 SSD | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| psu | ASUS ROG Loki 1200W SFX-L Platinum Full Modular | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| case | BRO Custom Gen 2 Water Cooling Wall (Custom Loop Solution) | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| cooler | BRO Private PC Custom Liquid Cooling System | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
What this build is good for
This enthusiast-grade build features a high-performance Intel LGA 1851 platform and NVIDIA Blackwell architecture, tailored for 4K/8K gaming, local AI model training, and heavy creative workflows. While the core hardware selection provides significant processing and graphical power, the reliance on an experimental wall-mounted custom cooling loop and high-frequency 4-DIMM memory introduces potential stability risks. Success with this system requires advanced thermal management, as the combined power draw of the CPU and GPU may exceed 1000W, necessitating substantial radiator surface area. Builders should prioritize meticulous leak testing, thermal validation, and verification of memory stability, as populating all four DIMM slots can significantly impact achievable DDR5 speeds. This build is suited for experienced users capable of professional-grade assembly and system tuning.
- Unknown thermal requirements for custom-loop integration
- Potential software conflicts between RGB/hardware management ecosystems
- Reliability of custom wall-mounted chassis components
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Useful next steps
Validate Memory Configuration
Running 4x16GB DDR5 kits on modern platforms often causes instability and prevents reaching advertised XMP speeds. 2x32GB kits are generally more stable.
Verify Custom Loop Capacity
High thermal output from the RTX 5090 and Intel Ultra 7 270K requires massive radiator coverage (ideally 2x360mm or greater) to prevent thermal throttling.
Confirm E-ATX Case Support
The ROG Maximus Z890 Extreme is an E-ATX board; verify the wall mount panel has correct standoff alignment.