490750-B21 - HP 4GB DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Quad Rank Memory Module
490750-B21 - HP 4GB DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Quad Rank Memory Module
490750-B21 - HP 4GB DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Quad Rank Memory Module