Question 1

What's the difference between B850 and X870 chipsets on AMD AM5?

Accepted Answer

The B850 chipset covers the needs of most mainstream and gaming builds, whilst X870 adds PCIe 5.0 on the primary GPU slot and more USB bandwidth. In practice, the performance difference in gaming is negligible — the GPU slot bandwidth isn't a bottleneck with current graphics cards. X870 and X870E boards cost significantly more and are worth considering only if you need maximum USB connectivity, multiple PCIe 5.0 M.2 drives, or plan to run a very high-end CPU like the Ryzen 9 9950X with aggressive overclocking.

Question 2

Can I use a Ryzen 9000 CPU on an older B550 or X570 motherboard?

Accepted Answer

No — Ryzen 9000 series processors require an AM5 socket, and B550/X570 boards use the older AM4 socket. The two are physically and electrically incompatible. If you're upgrading from an AM4 system, you'll need a new motherboard, new DDR5 RAM, and potentially a new CPU cooler with AM5 mounting hardware. It's a meaningful investment, but AM5 is AMD's current platform with a longer upgrade runway ahead.

Question 3

Is it worth paying extra for a motherboard with Wi-Fi 7?

Accepted Answer

Only if your router supports Wi-Fi 7 or you plan to upgrade to one soon. Wi-Fi 7 boards — like the GIGABYTE X870 AORUS ELITE WIFI7 — offer multi-link operation and lower latency, but you won't see any benefit on a Wi-Fi 6 or older network. For most UK homes with a standard ISP-provided router, Wi-Fi 6E is more than sufficient. If you're wiring your PC directly via Ethernet anyway, the Wi-Fi spec on the board is largely irrelevant.

Question 4

What VRM phase count do I need for a high-end CPU?

Accepted Answer

For CPUs with a 125W or higher TDP — such as the Ryzen 9 9900X or Core Ultra 9 285K — look for at least 12+2+2 digital VRM phases with proper heatsink coverage. Budget boards with 4+1+2 phases will technically boot these processors but risk thermal throttling under sustained all-core loads, reducing performance and potentially shortening component lifespan. The 16+2+2 configurations found on mid-to-high-end boards from ASUS, GIGABYTE, and MSI provide ample headroom for overclocking and sustained workloads.

Question 5

Are cheap Biostar motherboards worth buying in 2026?

Accepted Answer

Biostar boards are fine for very specific use cases — low-power office builds, NAS systems, or budget media PCs — but we'd steer most builders away from them for gaming or productivity rigs. Their average price in our catalogue sits well below 98 £, which reflects the compromises made: basic VRM configurations, limited M.2 slots, older audio codecs, and BIOS update support that tends to be slower and less comprehensive than ASUS, GIGABYTE, or MSI. The savings rarely justify the trade-offs once you factor in a CPU worth protecting.

Question 6

Do I need a PCIe 5.0 motherboard for a current-gen graphics card?

Accepted Answer

No — current graphics cards, including the latest NVIDIA RTX 5000 and AMD RX 9000 series, do not saturate PCIe 4.0 bandwidth in real-world gaming scenarios. PCIe 5.0 on the GPU slot is a future-proofing argument, not a current performance one. Where PCIe 5.0 genuinely matters today is on M.2 storage slots — PCIe 5.0 NVMe SSDs deliver dramatically faster sequential read speeds than PCIe 4.0 drives, which benefits large file transfers and content creation workflows.

Question 7

What's the risk of buying a motherboard without checking BIOS compatibility first?

Accepted Answer

It's one of the most common and frustrating mistakes in PC building. Some motherboards ship with an older BIOS that doesn't support the latest CPU revision — meaning the system won't POST until the BIOS is updated, which requires a compatible older CPU to do so. Always check the manufacturer's CPU support list for your specific board revision before buying. Many mid-range and high-end boards now include a BIOS Flashback feature (ASUS calls it FlashBack, MSI calls it Flash BIOS Button) that lets you update the BIOS from a USB drive without any CPU installed — a genuinely useful safety net worth prioritising.

Motherboards Price Comparison

ASUS PRIME H810M-A-CSM Intel H810 LGA 1851 (Socket V1) micro ATX

ASUS ROG STRIX B850-I GAMING WIFI AMD B850 Socket AM5 mini ITX

ASUS PRIME H810M-A WIFI Intel H810 LGA 1851 (Socket V1) micro ATX

ASUS ROG STRIX B850-A GAMING WIFI AMD B850 Socket AM5 ATX

GIGABYTE B760M GAMING PLUS WIFI DDR4 Motherboard - Supports 14th Gen. Intel Core CPUs, 4+1+1 phases VRM, up to 5333MHz DDR4 (OC), 2xPCIe 4.0 M.2, Wi-Fi 6, 1 GbE LAN, USB 3.2 Gen 1

ASUS TUF GAMING B850M-PLUS AMD B850 Socket AM5 micro ATX

ASUS PRIME B840-PLUS WIFI AMD B840 Socket AM5 ATX

MSI MPG B850 EDGE TI WIFI motherboard AMD B850 Socket AM5 ATX

Asrock B850M Pro RS AMD B850 Socket AM5 micro ATX

Asrock B850M Pro-A AMD B850 Socket AM5 micro ATX

Asrock Phantom Gaming B850I Lightning WiFi AMD B850 Socket AM5 mini ITX

MSI PRO B840-P WIFI motherboard AMD B840 Socket AM5 ATX

Asrock B850 Steel Legend WiFi AMD B850 Socket AM5 ATX

Asrock B850 LiveMixer WiFi AMD B850 Socket AM5 ATX

ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX

ASUS PRIME B840M-A-CSM AMD B840 Socket AM5 micro ATX

MSI MAG B850 TOMAHAWK MAX WIFI motherboard AMD B850 Socket AM5 ATX

ASUS PRIME B860M-A-CSM Intel B860 LGA 1851 (Socket V1) micro ATX

ASUS PRIME B860-PLUS-CSM Intel B860 LGA 1851 (Socket V1) ATX

MSI B860M GAMING PLUS WIFI motherboard Intel B860 LGA 1851 (Socket V1) micro ATX

MSI PRO B860-P WIFI motherboard Intel B860 LGA 1851 (Socket V1) ATX

ASUS PRIME B860-PLUS WIFI Intel B860 LGA 1851 (Socket V1) ATX

ASUS PRIME B860M-A WIFI Intel B860 LGA 1851 (Socket V1) micro ATX

ASUS TUF GAMING B860-PLUS WIFI Intel B860 LGA 1851 (Socket V1) ATX

Motherboards Price Comparison