DIY 30pin 4MB RAM SIMMs for Vintage Macs - YouTube
4MB 30pin SIMM RAM Memory with Parity 4x9 60ns for Apple, Macintosh, Musical Sampler, Old PC, Video Controller at Amazon.com
Amazon.com: 82F5508 Ibm 2Mb 30-Pins Parity Simm Memory : Electronics
64MB SIMM Gold 72-pin RAM Memory Upgrade for The Akai All Models S5000 S6000 at Amazon.com
SIMM | Hackaday
4MB RAM: 30-PIN Simm 'T' brand 70ns 3-chip (4 of them) 1Mb ea set of 4 $45.00 - PicClick AU
16MB 30pin non-Parity SIMM RAM MEMORY 60ns for Apple, macintosh, Musical sampler, old PC, Video controller : Amazon.ca: Electronics
Amazon.com: Keystron Memoria RAM SIMM de 16 MB y 30 pines con paridad 16x9 60ns para Apple, Macintosh, muestreador musical, PC antigua, controlador de video : Electrónica