Guides

How much PSU wattage do I need?

Add your CPU and GPU ratings plus an allowance for the rest of the system, then choose a PSU that runs your typical load near the middle of its range.

How many case fans do I need?

Three to four well-placed fans with slightly more intake than exhaust cover most gaming builds, and placement matters more than count.

240 vs 280 vs 360 vs 420 mm AIO: which radiator size should you get?

Most gaming builds are best served by a 280 or 360 mm AIO, with 240 mm for compact builds and 420 mm when the case has room.

What size PC case do I need?

Your motherboard form factor sets the minimum case size, and GPU length, cooler height and radiator support decide the rest.

What is a dual-chamber PC case?

A dual-chamber case moves the power supply and cables into a rear compartment, trading desk width for easier cable management and a cleaner main chamber.

How to Enable XMP or EXPO (and Whether You Should)

Most memory does not run at its advertised speed out of the box. Turning on the profile takes about a minute. Here is what you gain and what it costs.

Where Should You Mount an AIO Radiator? Top, Front, or Bottom

Radiator placement affects how long your cooler lasts, not just how cool it runs. Here is the rule that matters and why bottom mounting causes problems.

Why Is My Graphics Card Whining? Coil Whine Explained

One of the few PC noises that genuinely is not a problem, and one of the most alarming to hear on a brand new machine.

Motherboard Debug LEDs and POST Codes Explained

The most underused diagnostic tool on a motherboard. It turns a guessing game into a specific answer in about five seconds.

How to Add Storage to Your PC: M.2, SATA and External

The easiest upgrade there is, and the one most likely to be needed at short notice when a game update balloons past your free space.

Is My AIO Cooler Failing? How to Diagnose It

An AIO has only three places it can fail, and you can check all of them in about ten minutes without removing anything.

How to Update Your Motherboard BIOS Safely

It sounds risky and mostly is not, provided you do not interrupt it. Here is the whole process, including the step everyone skips.