No. Microsoft discontinued all Xbox 360 models (including Pro/Premium, Elite, Arcade, S, E) in April 2016 after 10 years of production.
Only used/refurbished units are available via eBay, GameStop, local retro shops, or Amazon third-party sellers. Prices range $50–$150 depending on model, condition, and included accessories.
For new hardware, current generation is Xbox Series X ($499) and Series S ($299).