1MB Board Brother MFC-3900ML, 4000ML, 4400ML, 4500ML memory
Brother Fax memory expansion
Important information about your system memory (RAM)
Your system supports only memory modules with selected memory chips. If you think you have found a store for a lower price elsewhere, then it is possible that the cheaper memory chip will not work.
Memory from our website is 100% compatible with your system,
or you get your money back!
or you get your money back!