Does that include peripherals? You should get 8GB really.
[PCPartPicker part list](http://uk.pcpartpicker.com/p/DPVBGX) / [Price breakdown by merchant](http://uk.pcpartpicker.com/p/DPVBGX/by_merchant/)
Type|Item|Price
:----|:----|:----
**CPU** | [AMD FX-6300 3.5GHz 6-Core Processor](http://uk.pcpartpicker.com/part/amd-cpu-fd6300wmhkbox) | £73.96 @ Scan.co.uk
**CPU Cooler** | [Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler](http://uk.pcpartpicker.com/part/cooler-master-cpu-cooler-rr212e20pkr2) | £24.25 @ Scan.co.uk
**Motherboard** | [Asus M5A97 R2.0 ATX AM3+ Motherboard](http://uk.pcpartpicker.com/part/asus-motherboard-m5a97r20) | £64.76 @ Scan.co.uk
**Storage** | [Samsung 840 EVO 120GB 2.5" Solid State Drive](http://uk.pcpartpicker.com/part/samsung-internal-hard-drive-mz7te120bw) | £59.81 @ Scan.co.uk
**Video Card** | [XFX Radeon R9 270X 2GB Double Dissipation Video Card](http://uk.pcpartpicker.com/part/xfx-video-card-r9270xcdfc) | £129.92 @ Scan.co.uk
**Case** | [Zalman Z3 Plus ATX Mid Tower Case](http://uk.pcpartpicker.com/part/zalman-case-z3plus) | £31.56 @ Scan.co.uk
**Power Supply** | [Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply](http://uk.pcpartpicker.com/part/corsair-power-supply-cx500m) | £49.80 @ Scan.co.uk
| | **Total**
| Prices include shipping, taxes, and discounts when available | £434.06
Ask for other opinions. Don't rush yourself. You wouldn't want to make a mistake.