For Sale:
Vintage Rare
DIGITAL 8 MB (?) RAM
8MB 200-Pin Fast Page Mode DIMM 
200-PIN /  20 CHIP
 model# 5421139 / 5021138
I think these are for DEC Alpha systems 
NOTE: Each module has 20pcs of TMS44400 , these are 4mb Fast Page Mode chip #'s / Some searches show the part # 5021138 to be EDO ram ?? But the chips seem to be FPM. 

*Auction is for 1 Module

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Thanks for looking!