Lexmark T520 Series (T520D, T520DN, T520N, T520NSBE, T520SBE) Memory
Maximum Memory	264MB
Memory Slots	2 Slots
non-removable base memory	8MB

	8MB Lexmark Printer Memory Upgrade (p/n 5K00014) $14.99
	16MB Lexmark E322/Optra 100p Printer Memory (p/n 5K00015) $19.99
	32MB Lexmark Laser Printer 100-pin SODIMM (p/n 16H0057) $21.99
	32MB Lexmark E322/Optra 100-pin Printer Memory (p/n 5K00016) $21.99
	64MB Lexmark Laser Printer 100-pin SODIMM (p/n 16H0058) $24.99
	64MB Lexmark Printer 100-pin SODIMM (p/n 5K00017) $24.99
	128MB Lexmark Laser Printer 100-pin SODIMM (p/n 16H0059) $36.99