DDR2-P-E3-U6 DDR2-P-E3-US6 DDR2-P-E3-UT6 DDR2-P-P2-U6 DDR2-P-P2-UT6 DDR2-P-PM-U6 DDR2-P-PM-UT6 DDR2-P-SC-U6 DDR2-P-SC-UT6 DDR2-P-X2-U6