Raspberry Pi's CEO Eben Upton has announced a price hike on the latest model, the Raspberry Pi 4, which was originally launched at $45 and later revised to $35. Due to the global semiconductor crisis, the price has now been restored to $45.

source https://gadgets.ndtv.com/cryptocurrency/news/raspberry-pi-price-hike-global-chip-shortage-cryptocurrency-mining-2583379#rss-gadgets-all