RAM (Consult Manufacturer's Specs for Compatibility)

6 GB DDR3-1333 (3x 2 GB) Triple Channel Memory Kit	$164.77
4 GB DDR3-1333 (2x 2 GB) Dual Channel Memory Kit	$116.96
2 GB DDR3-1066 Memory	$70.43
4 GB DDR2-800 Memory	$198.43
2 GB DDR2-800 Memory	$69.79
2 GB DDR2-667 Memory	$69.15
1 GB DDR2-667 Memory	$45.22
2 GB DDR2-533 Memory	$68.51
1 GB DDR2-533 Memory	$45.22
1 GB DDR-400 Memory	$58.14
1 GB DDR-333 Memory	$57.50