ASUS PRIME B550M-K vs ASUS PRO B550M-C/CSM

The short verdict

Scores pending

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

PRIME B550M-K

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PRO B550M-C/CSM

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Choose the PRIME B550M-K if

Lighter in the hand (785 vs 845 g)

Full specs →

PRO B550M-C/CSM

Full specs →

At a glance

Key differences

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

Why pick thePRIME B550M-K1 win

−60 gLighter in the hand785 vs 845 g

Check priceNo store price yet

Why pick thePRO B550M-C/CSM0 wins

No measured advantages in our spec data. Check the full specs below.

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Full specs

Side-by-side specifications

Performance1 difference

Compatible processor series

AMD Ryzen 3000 Series

AMD Athlon, AMD Ryzen 3000 Series

Design1 difference

Weight

785 g

845 g

Connectivity6 differences

HDMI ports quantity

PS/2 ports quantity

Supported memory clock speeds

2133 · 2400 · 2666

Supported storage drive interfaces

M.2, SATA

SATA III

USB 3.2 Gen 1 (3.1 Gen 1) connectors

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity

USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity

Windows operating systems supported

Windows 10

Windows 10 x64

General2 differences

Component for

Ethernet LAN

Yes

Manufacturer Sku

90MB14V0-M0EAY0

90MB15Q0-M0EAYC

Model Number

PRIME B550M-K

PRO B550M-C/CSM

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?

One vote per person. Results appear after you vote.

PRIME B550M-K vs PRO B550M-C/CSM

Scores pending

Key differences

Side-by-side specifications

Which would you buy?