I am the original owner of this NEC Intersect Express external 1x CD-ROM drive.  It doesn't describe itself as "1x" speed, because it predates the notion of multiplicative read speeds!

It was purchased during the first wave of the Multimedia PC in November 1992.  Included is the original brochure and faxed information sheets from NEC describing the product.

Also included are the accessories needed to make the product work in a PC of that era:
This worked the last time I used it, decades ago.  I no longer have the means of testing it.  I expect it to work, but I do not guarantee that it works.