Keystron 256MB DDR2 16bit 144pin Memory Upgrade for Brother Laser Printer HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT One (1) 256MB DDR2 144pin 16-bit memory upgrade Part#: HL533/256 100% compatible with lifetime replacement warranty Manufactured by Keystron, LLC Keystron is a registered trademark of Keystron, LLC