HP A5572-69001 - 128MB ECC high-density SDRAM DIMM memory module - Must be installed in pairs of equal size (256MB kit is A5572A) Retail
HP A5841-69001 - 512MB ECC high-density SDRAM DIMM memory module - Must be installed in pairs of equal size (1024MB kit is A5841A) Retail
HP A5798-69001 - 512MB ECC high-density SDRAM DIMM memory module - Must be installed in pairs of equal size (1024MB kit is A5798A) Retail
