PC build
Ryzen 7 5700X3D RX 6800 Micro‑ATX Gaming Rig
This build utilizes the AMD Ryzen 7 5700X3D, a strong choice for gaming due to its 3D V-Cache, paired with a Radeon RX 6800. While potent for 1440p gaming,
Component prices & shopping links
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| Part | Component | AUD price & shopping |
|---|---|---|
| cpu | AMD Ryzen 7 5700X3D | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| gpu | PowerColor Fighter AMD Radeon RX 6800 16GB GDDR6 | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| motherboard | ASRock B450M/ac R2.0 | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | 48GB DDR4 Desktop Memory Kit (2x8GB Corsair Vengeance + 2x16GB Kingston Fury Beast) | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | 4TB NVMe SSD + 1TB SATA SSD (Samsung 870 EVO) | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| case | FOIFKIN F100 Micro-ATX Gaming PC Case | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| cooler | Thermalright Burst Assassin 120 EVO Dark 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 build utilizes the AMD Ryzen 7 5700X3D, a strong choice for gaming due to its 3D V-Cache, paired with a Radeon RX 6800. While potent for 1440p gaming, the system is constrained by the B450 motherboard, which restricts PCIe throughput to 3.0, bottlenecking the NVMe SSD and GPU. The most significant issue is the 48GB mixed-RAM configuration; using disparate modules often disrupts dual-channel memory interleaving, leading to potential instability or performance degradation. Furthermore, because the motherboard lacks a BIOS Flashback feature, users must ensure the board is updated to version P8.01 or later using an older compatible CPU before the 5700X3D will function. While functional, the build requires careful memory optimization and BIOS management to achieve reliable results. The case is compact, so verification of physical clearances for the GPU and cooling hardware is essential for a successful assembly.
- No USB BIOS Flashback feature on motherboard
- PCIe 3.0 bus limitations
- Potential memory controller instability with mismatched modules
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Useful next steps
Use a matched RAM kit
Mixing capacity and brands of RAM often forces the memory controller into sub-optimal modes, risking stability. A matched 32GB (2x16GB) DDR4-3200 kit is recommended.
Update BIOS before CPU installation
The ASRock B450M/ac R2.0 requires BIOS P8.01 or newer for the 5700X3D. Without USB BIOS Flashback, an older supported CPU is required to perform the update.
Enable XMP/DOCP
Memory will default to JEDEC speeds; XMP/DOCP must be enabled in the BIOS to reach advertised 3200 MT/s performance.