PC build

Phantom Cache SFF Beast

This high-end AM5 build centers on the 16-core Ryzen 9 9950X3D and a powerful Radeon RX 9070 series GPU, creating a machine highly capable of intensive gam

8 identified componentsSource-backed researchShopping in Australia

Component prices & shopping links

Recorded component subtotal · AUD$803.00
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 9 9950X3D Desktop ProcessorPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
gpuXFX Swift Radeon RX 9070 OC Dual Fan, 16GBPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
motherboardGigabyte B850I AORUS PRO$449.00
Last seenOct 13, 2026, 2:01 AM UTCOut of stock at the last check.Confirm variant, stock, shipping and tax at checkout.
ramKingston FURY Beast RGB Black 64GB (2x32GB) 6000MHz DDR5Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
storageCrucial T710 1TB M.2 2280 NVMe 2.0 PCIe 5.0 SSD + Western Digital WD Red Plus 12TB 3.5" NAS HDD, WD120EFGXPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
psuilverstone SFX-L 800w Modular 80 Plus Titanium PSU$235.00
Last seenOct 13, 2026, 2:01 AM UTCCurrent price and stock need a new check.Confirm variant, stock, shipping and tax at checkout.
caseCustomPrice not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout.
coolerThermalright Phantom Spirit 120 Vision EVO Dual Tower CPU Cooler$119.00
Last seenOct 13, 2026, 2:15 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 AM5 build centers on the 16-core Ryzen 9 9950X3D and a powerful Radeon RX 9070 series GPU, creating a machine highly capable of intensive gaming and multithreaded professional workloads. The integration of a PCIe 5.0 NVMe SSD and a B850I Mini-ITX motherboard provides cutting-edge I/O and data transfer speeds. However, housing these high-performance components in a Mini-ITX form factor introduces critical physical and thermal constraints. The Thermalright Phantom Spirit 120 Vision EVO is a substantial dual-tower cooler that demands significant interior volume. Success depends entirely on the 'Custom' case's ability to provide adequate clearance for this 160mm cooler, sufficient airflow for the GPU, and support for an SFX-L power supply. Careful verification of interior dimensions is mandatory to ensure all parts fit without thermal throttling or mechanical interference.

High-performance gamingContent creation and video editingGeneral everyday productivity
What still needs confirmation
  • Unknown 'Custom' case internal volume and airflow capability
  • Thermal performance and noise levels in a confined ITX chassis are unverified
  • Potential need for BIOS updates on the B850I for specific CPU support

Google Search suggestions for this research

Useful next steps

high priority

Verify Case Clearance

The Thermalright Phantom Spirit 120 Vision EVO stands 160mm tall. Confirm your custom case specifications explicitly support a CPU cooler height of at least 160mm, plus any additional buffer for side panel clearance.

high priority

Confirm PSU Physical Fit

The Silverstone SFX-L power supply is longer than standard SFX units. Ensure the custom chassis supports the SFX-L form factor to prevent conflicts with GPU length or internal cable routing.

medium priority

Monitor SSD Thermal Environment

PCIe 5.0 SSDs like the Crucial T710 generate intense heat. Verify that the B850I motherboard's M.2 heatsink has direct access to case airflow to prevent thermal throttling.