Brother HL-8050N - Manual (Page 60)

USABLE PAPER TYPES AND PRINTING METHOD 2 - 27
The following DIMM size can be installed:
<US>
16MB TECHWORKS 12456-0001
32MB TECHWORKS 12457-0001
64 MB TECHWORKS 12458-0001
128 MB TECHWORKS 12459-0001
256 MB TECHWORKS 12530-0001
<Europe>
16MB Buffalo Technology 12323-0001
32MB Buffalo Technology 12324-0001
64 MB Buffalo Technology 12325-0001
128 MB Buffalo Technology 12326-0001