Roland MC Memory Upgrade Hynix PC133 128MB 133MHz CL3 SDR RAM 808 909 Stick. This stick of memory will work in any vintage 386 or 486 that accepts SDRAM This stick of memory will work with the Roland MC-808, MC-909 (MC808 & MC909) 128mb will be an upgrade to the default. As the Roland only has one dimm slot, make sure you don't already have a 128mb stick installed (to upgrade to 256mb you will need one 256mb module)
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