Dell KR039 256MB printer memory module (not 256GB as listed) designed for Dell 2145cn and 2335dn multifunction printers. This SDRAM upgrade expands onboard memory to enhance print job processing speed, document storage capacity, and overall system performance on compatible Dell color laser systems. The module installs directly into the printer's memory slot—no special tools required. Typical applications include high-volume printing environments where expanded memory reduces processing bottlenecks and improves throughput for complex print jobs. Compatible exclusively with Dell 2145cn and 2335dn models; verify memory slot specifications before ordering. Refurbished unit, tested and guaranteed. Available via quote from G5 Network Group.