No, Wifi is not included. On the product page, there are a number of alternative Wifi motherboards which have the "Wifi" in the product name. Examples are: PRO B650M-A WIFI | $149.99 PRO B650-P WIFI | $199.99

Does this come with a M.2 heat sink?

No, the product information does not mention that it comes with an M.2 heat sink.

Questions & Answers: MSI PRO B650M-P AM5 Ryzen 7000 DDR5 SATA 6G 2x M.2 2.5G LAN 7.1 Audio mATX Motherboard

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MSI PRO B650M-P AM5 Ryzen 7000 DDR5 SATA 6G 2x M.2 2.5G LAN 7.1 Audio mATX Motherboard

Supports AMD Ryzen 7000 Series and Ryzen 9000 Series processors
Bios update MAY required when used with 9000 Series processors
Latest DDR5 Memory: A huge step of DDR performance enhancement with the latest DDR5 memory and MSI Memory Boost technology.
Lightning Gen4 Solution: The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.
2.5G Network Solution: Featuring premium 2.5G LAN to deliver better network experience.
EZ Debug LED: Easiest way to troubleshoot.
Frozr AI Cooling: Detect CPU & GPU temperatures and automatically adjust system fan duty to a proper value.
Memory Boost: Advanced technology to deliver pure data signals for the best performance, stability and compatibility.
Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.

$149^.99 –