Does the Xbox 360 Play Blu-ray? No, DVD Only

No. The Xbox 360 only reads DVDs (DVD-ROM, DVD-R/RW) and CDs. It cannot play Blu-ray discs.

Why?

• Drive Hardware: Standard DVD-ROM drive (6x–12x). No blue laser diode for Blu-ray's shorter wavelength.
• Format War: Microsoft backed HD DVD (released as a $199 external USB add-on drive in 2006). Blu-ray won the format war in 2008.

Workarounds

• Rip to Digital: Use MakeMKV/HandBrake on a PC to convert Blu-rays to MP4/MKV, stream via DLNA (Plex, Universal Media Server) to Xbox 360.
• Xbox One / Series X|S: All support native Blu-ray (and 4K UHD Blu-ray on Series X / One S / One X).

The HD DVD add-on drive is a collector's item today; it plays HD DVDs and standard DVDs, but not Blu-ray.