MSI

PRO B650-S WiFi Spec and Price in the United States

AM5B650

An ATX AM5 board on the AMD B650 chipset with two x16-length slots, the primary at PCIe 4.0, and two M.2 slots. Four DDR5 DIMM slots take up to 256GB, and it carries four SATA ports and one rear USB Type-C port. Networking is onboard Wi-Fi with 2.5 Gigabit Ethernet.

Tied 34th of 1869 models in the Motherboards catalog on RAM slots — 1241 models share this figure. Tied 14th of 1869 models in the Motherboards catalog on Max memory — 707 models share this figure.

Current best price
$159.99at Amazon.com · captured 2026-09-13View at Amazon.com

Captured periodically and may have changed.

Price history

  • PRO B650-S WiFi
August 24, 20265 capturestoday · $159.99

Each point is one capture, not a list price. How we track prices

Specifications

Socket
AM5
Chipset
B650
Form factor
ATX
Memory type
DDR5
RAM slots
4
Max memory
256 GB
M.2 slots
2
PCIe x16 slots
2
PCIe version
4.0
SATA ports
4
LAN speed
2.5 GbE
USB-C ports
1
Wi-Fi
Yes

Guides for this category

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.