Product comparison

Product	Print speed	Print resolution	RAM
B2520 MFP	16 pages per minute	600 x 600 dpi	32MB
MB460	28ppm	2400 x 600 dpi	Standard: 64MB; Maximum: 320MB
MB470	28ppm	True 1200 x 1200dpi	Standard: 64MB; Maximum: 320MB
MB480	28ppm	True 1200 x 1200dpi	Standard: 64MB; Maximum: 320MB