GugelhupfPC-Bauer4 years ago000does the HDD really work according to CMR? on ämähzonn, disks with SMR were hawked as CMR...Show in original language (German)Anonymous4 years ago • purchased this product000purchased this product Helpful answerThis ending in the model designation "...EFZX" shows that this is a CMR hard disk. SMR has the suffix "...EFRX".Show in original language (German)Comment1 commentjonathan.sturm08064 years ago • purchased this product000purchased this productYes, I think so ... Just have a look at Geizhals or, as already written, at the manufacturer. But yes, this is a CMR plateShow in original language (German)CommentAPleger4 years ago • purchased this product000purchased this productAccording to WD https://shop.westerndigital.com/de-de..., the WD40EFZX is CMR. The press says that the Plus and Pro series always use CMR.Show in original language (German)Comment