ASUS PRIME B450M-A/CSM vs ASUS PRIME B550M-K

The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

PRIME B450M-A/CSM

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PRIME B550M-K

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PRIME B450M-A/CSM

Full specs →

PRIME B550M-K

Full specs →

At a glance

Key differences

Measured differences only. Ties and tiny gaps are left out.

Full specs

Side-by-side specifications

Performance3 differences

Compatible processor series

AMD Athlon · AMD Ryzen 2000 Series · AMD Ryzen 3000 Series

AMD Ryzen 3000 Series

Motherboard chipset

AMD B450

AMD B550

Chipset

AMD B450

AMD B550

Design2 differences

Weight

—

785 g

Depth

240 mm

244 mm

Connectivity4 differences

HDMI ports quantity

PS/2 ports quantity

Supported memory clock speeds

2133,2400,2666,2800,3000,3200 MHz

2133 · 2400 · 2666

Supported storage drive interfaces

M.2, SATA III

M.2, SATA

Windows operating systems supported

Windows 10 · Windows 10 Education · Windows 10 Education x64

Windows 10

General3 differences

BIOS memory size

16 Mbit

256 Mbit

Component for

Ethernet LAN

Yes

Manufacturer Sku

PRIME B450M-A/CSM

90MB14V0-M0EAY0

Model Number

PRIME B450M-A/CSM

PRIME B550M-K

Where to buy

Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

Community

Which would you buy?

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PRIME B450M-A/CSM vs PRIME B550M-K

Scores pending

Key differences

Side-by-side specifications

Which would you buy?