Size Specification Package DDR-400 184 PIN DIMM 256MB PC-3200 32MB x 16 Unbuffered Non-ECC 2.6V TSOP66 512MB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V TSOP66 1GB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V TSOP66 512MB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V CDFN 1GB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V CDFN DDR-400 200 PIN SO-DIMM 256MB PC-3200 32MB x 16 Unbuffered Non-ECC 2.6V TSOP66 512MB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V TSOP66 512MB PC-3200 64MB x 8 Unbuffered Non-ECC 2.6V CDFN DDR2-667 240 PIN DIMM 512MB PC2-5300 64MB x 8 Unbuffered Non-ECC 1.8V TSOP66 1GB PC2-5300 64MB x 8 Unbuffered Non-ECC 1.8V TSOP66 DDR2-667 200 SO-DIMM 512MB PC2-5300 64MB x 8 Unbuffered Non-ECC 1.8V TSOP66 DDR2-800 240 PIN DIMM 512MB PC2-6400 64MB x 8 Unbuffered Non-ECC 1.8V CDFN 1GB PC2-6400 64MB x 8 Unbuffered Non-ECC 1.8V CDFN DDR2-800 200 PIN SO-DIMM 512MB PC2-6400 64MB x 8 Unbuffered Non-ECC 1.8V CDFN 1GB PC2-6400 64MB x 8 Unbuffered Non-ECC 1.8V CDFN DDR2-800 214 PIN MICRO-DIMM 512MB PC2-6400 64MB x 8 Unbuffered Non-ECC 1.8V CDFN