Compatibility
Hardware compatibility
Can You Build a PC Without a Graphics Card?
Short answer: yes, if your CPU has integrated graphics. Here is which Intel and AMD chips can drive a display on their own, and which leave you staring at a black screen.
2 Sticks vs 4 Sticks of RAM: Does Filling Every Slot Slow You Down?
Filling all four DIMM slots forces DDR5 to run slower, but the real cost is boot headaches and lost overclocking room, not the 1-2% of gaming FPS most people fear.
Will the Ryzen 7 7800X3D Bottleneck an RTX 5080?
Short answer: no. At 1440p and 4K, where an RTX 5080 belongs, the graphics card sets the frame rate and the 7800X3D is among the fastest gaming CPUs made. Here is the one case where any CPU can hold it back.
B850 vs X870: What X870 Adds and Who Needs It
X870's only guaranteed extras over B850 are USB4 on every board and a mandatory PCIe 5.0 GPU slot — and neither raises a single frame. Here's when the pricier AM5 chipset is worth it.
Can You Mix RAM Brands and Sizes? Yes, With Two Catches
You can mix RAM brands and sizes and a PC will usually boot with the full capacity — but everything runs at the slowest stick's speed, and two loose sticks aren't guaranteed to train together. Here is when to mix and when a matched kit is the smarter buy.
Will a PCIe 5.0 SSD Work in a PCIe 4.0 Slot?
Yes — a PCIe 5.0 SSD works in a PCIe 4.0 slot; it just runs at Gen4 speed. Sequential bandwidth roughly halves, real game load times don't move, and the actual thing to watch is how your board shares M.2 lanes.
Do You Need an M.2 Heatsink for a PCIe 5.0 SSD?
A PCIe 5.0 SSD runs hot enough to throttle with no cooling at all — but the M.2 heatsink your motherboard already ships with stops that. Here is when a separate heatsink is worth buying and when it does nothing.
Do You Need a PCIe 5.0 Motherboard for Your Graphics Card?
For most graphics cards the answer is no — a full-size x16 card loses about 1% on a PCIe 4.0 board. But a budget 8GB card that wires up over eight lanes can lose up to 10%. Here is how to tell which one you have.
B650 vs X670: Which AM5 Chipset Do You Actually Need?
For a gaming PC, B650 and X670 produce identical frame rates — the chipset isn't in the frame-rate path. X670's second die adds USB ports and PCIe lanes most builds never touch, and AMD has already replaced it with X870E. Here's who actually needs the bigger chipset.
B650 vs B850: Is the Newer AM5 Chipset Worth It?
B850's one guaranteed upgrade over B650 is a PCIe 5.0 M.2 slot that games don't use — and in our catalog it costs the same as B650. Here's when the newer chipset actually earns the pick.
Do You Need to Update Your BIOS Before Installing a New CPU?
Sometimes yes, sometimes no — it comes down to whether your motherboard is older or newer than the CPU. Here is the one rule that tells you, plus how to flash a board with no CPU installed.
A620 vs B650: Is the Cheapest AM5 Board Enough?
An A620 board games identically to a B650 with the same 65W chip and GPU — but it's stuck on PCIe 4.0, blocks CPU overclocking, and the cheapest B650 is only about $20 more.