ASUS PRIME B550M-K vs ASUS PRIME X370-PRO

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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PRIME X370-PRO

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PRIME B550M-K

Full specs →

PRIME X370-PRO

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 Ryzen 3000 Series

AMD A

Motherboard chipset

AMD B550

AMD X370

Chipset

AMD B550

AMD X370

Design2 differences

Weight

785 g

—

Width

244 mm

305 mm

Connectivity3 differences

HDMI ports quantity

Supported memory clock speeds

2133 · 2400 · 2666

2133,2400,2666,2933,3200 MHz

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

Windows operating systems supported

Windows 10

Windows 10 Education · Windows 10 Education x64 · Windows 10 Enterprise

General8 differences

BIOS memory size

256 Mbit

128 Mbit

Component for

Ethernet LAN

Yes

Form Factor

micro ATX

ATX

LAN controller

Realtek RTL8111H

Intel® I211-AT

Manufacturer Sku

90MB14V0-M0EAY0

90MB0TD0-M0EAY0

Maximum internal memory

128 GB

64 GB

Model Number

PRIME B550M-K

PRIME X370-PRO

Motherboard form factor

micro ATX

ATX

Number of M.2 (M) slots

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 B550M-K vs PRIME X370-PRO

Scores pending

Key differences

Side-by-side specifications

Which would you buy?