ASUS PRIME B450M-K 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-K

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PRIME B550M-K

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PRIME B450M-K

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

Design3 differences

Weight

—

785 g

Depth

221 mm

244 mm

Width

226 mm

244 mm

Connectivity3 differences

PS/2 ports quantity

Supported memory clock speeds

2133,2400,2666,2800,2933,3000,3200 MHz

2133 · 2400 · 2666

Windows operating systems supported

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

Windows 10

General5 differences

BIOS memory size

128 Mbit

256 Mbit

Component for

Ethernet LAN

Yes

Manufacturer Sku

90MB0YP0-M0EAY0

90MB14V0-M0EAY0

Maximum internal memory

32 GB

128 GB

Model Number

PRIME B450M-K

PRIME B550M-K

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?

One vote per person. Results appear after you vote.

PRIME B450M-K vs PRIME B550M-K

Scores pending

Key differences

Side-by-side specifications

Which would you buy?