128 Mb Memory, Phaser 3250

128 MB Phaser Memory 6300/7400/8500

1 GB Memory (1 X 1GB Module Only) for Phaser 7500

256MB DIMM Phaser Memory Option Kit for Phaser 4510

256MB Memory Upgrade for WorkCentre 4250

2Gb Memory Dimm Phaser 6700

Productivity Kit, 2GB RAM, DDR3, 260 x 165 x 82mm, 227 g