187421-B21 | RAM SERVER HP 4GB PC1600 (2x2GB) DDR ECC 187421-B21 | RAM SERVER HP 4GB PC1600 (2x2GB) DDR ECC GENERAL Memory Specification Compliance                                      PC1600 Memory Speed                                                                         200 MHz Data Integrity Check                                     ECC Upgrade Type                                     system specific Capacity                                     4 GB: 2 x 2 GB OEM Manufacturer Equivalent Part Number HP…