About Blu-Ray ~ Blu-ray Disc (BD) bụ otu n'ime ndị na-CD formats mgbe DVD, nke ike-eji na-echekwa elu àgwà video na elu ikike data nchekwa.  Blu ray diski na-aha n'ihi na ọ na-eji 405 nm (nm) acha anụnụ anụnụ na . 
About Blu-Ray ~ Blu-ray Disc (BD) bụ otu n'ime ndi na-CD formats mgbe DVD, nke ike-eji na-echekwa elu àgwa video na elu ikike data nchekwa.  Blu ray diski na-aha n'ihi na o na-eji 405 nm (nm) acha anunu anunụ na . 