240-PIN DDR2 ECC FBDIMM KIT. 172-PIN DDR2 MICRODIMM. 240-PIN DDR2 ECC DIMM KIT. TYPE/INTERFACE:240 -PIN DDR2 ECC FULLY BUFFERED DIMM (2 RANK NON-ADVANCED ECC/NON-CHIPKILL) COMPATIBILITY:XEON, OPTERON DDR2 ECC FULLY BUFFERED SERVERS/WORKSTATIONS/MOTHERBOARDS.
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