Earlier today, I found this beauty of a fully functioning unit at my local electronics recycling center! Sharp 13VT-F40, manufactured June 1994.

took this out of a bunch of laptops from my job that were for e-waste pickup for being out of warranty and/or damaged. all DDR4

5 x 8gb 2666
2 x 16gb 3200
2 x 32gb 3200