2025 Budget PC Build Guide — High-End Gaming Under $600
Category: Tech Workshop → PC Builds & Hardware Author: King Frost | Posted: December 2024 / Re-Written April 2026
You want high-end PC gaming. You don’t want to spend $1,200+ to get there. Good news — you don’t have to.
This guide will get you a machine that beats most mid-range builds on the market for under $600 AUD. In some configurations, under $500. Cheaper than a console. Better than a console. No compromises where it counts.
Let’s get into it.
The Foundation — The AliExpress X99 Play
This is the move that makes the whole build possible.
Head to aliexpress.com and search:
Motherboard CPU RAM X99 E5-2680 v4
You’re looking at a combo board that includes the motherboard, the Intel Xeon E5-2680 v4 CPU, and RAM bundled together. Prices land between $130–$230 AUD depending on the RAM configuration you select.
The E5-2680 v4 is a 14-core, 28-thread Xeon workstation chip. It was enterprise-grade hardware. Now it’s cheap because the enterprise world moved on. You get to benefit from that.
To put it plainly: if your current PC isn’t running a Ryzen 3600X, an Intel i7-9900K, or anything released after those — this chip is faster than what you have. For games. Right now.
That combo is the majority of your PC. Everything else is assembly.
The Full Parts List
| Component | Option | Price (AUD) |
|---|---|---|
| Motherboard + CPU + RAM | AliExpress X99 E5-2680 v4 Bundle | $130–$230 |
| CPU Cooler | AliExpress dual 120mm (X99 compatible) | ~$32 |
| Case | Personal choice — budget options below | ~$50 |
| Power Supply | Thermaltake 600W Gold | ~$99 |
| Storage | 1TB Crucial P3 NVMe | ~$69 |
| GPU | See GPU section below | $65–$409 |
Total range: ~$445 – $589 AUD depending on GPU choice.
The GPU — Where You Decide Your Budget Ceiling
The GPU is the variable that controls the whole build. Here’s the tiered breakdown:
Absolute Budget — Under $500 total build
-
RX 580 8GB — AliExpress, ~$65
-
1080p capable. Not the ultimate experience but functional and extraordinarily cheap. Your whole build lands under $500.
Mid Budget — Best bang for buck
-
RTX 3060 or RX 6600 — Target sub $350, check eBay
-
This is the sweet spot. Solid 1080p gaming, capable at 1440p. The build stays under $600 comfortably.
-
RX 5700 XT — eBay ~$200 is good value if you find one
High Budget — Top of this build
-
RTX 4060 — ~$409 (MSY, current market Dec 2024)
-
At this point you have a machine that rivals builds twice the price. This is the ceiling of this guide — anything above it and you’re better off looking at a different platform entirely.
Note on the used GPU market: Plenty of sellers price their used cards above retail. Don’t fall for it. Be patient, use StaticIce and eBay filters, and the right card at the right price will come up.
Where to Buy in Australia
New parts:
Used parts:
- eBay Australia — use PayPal, read descriptions carefully, check seller feedback
Price comparison across all Australian retailers:
- StaticIce — run every component through here before buying
CPU Cooler Notes
The E5-2680 v4 runs warm under load. Don’t skip the cooler.
You need something with two 120mm fans rated for the X99 platform. The AliExpress options at ~$32 are perfectly adequate for this build — search specifically for X99-compatible coolers when ordering your motherboard combo and you can sometimes bundle it in the same order to save on shipping.
If you already have a cooler from a previous build, check compatibility before assuming it works on this socket.
If You’re Upgrading an Existing Machine
Already have a case, HDDs, GPU, and PSU from an old build?
Then your cost is just the AliExpress combo + cooler. That’s potentially $160–$260 for a machine that outperforms what you had. No other component purchase required.
This is the move for anyone sitting on an old i5/i7 pre-2019 system that’s starting to show its age.
The Bottom Line
$150 Mobo / CPU / RAM (AliExpress X99 bundle)
$32 CPU Cooler
$50 Case
$99 PSU (Thermaltake 600W Gold)
$69 NVMe Storage (1TB Crucial P3)
$200 GPU (RX 5700 XT — eBay)
─────────────────────────────────
$600 Total — competitive 1080p/1440p gaming rig
For the absolute budget warriors — swap the GPU for an RX 580 at $65 and you’re under $500. Still better than a console. Still upgradeable later.
2026 Update
Prices shift. New budget options emerge. A 2026 version of this guide is coming with updated component picks, current market pricing, and whatever the new value play is at that point.
If you build this and have questions — post below. If you find a better deal on any component, share it. That’s what this section is for.
King Frost — TrojanHQ