1GB KIT (2 x 512MB) For SuperMicro P6D Series SUPERGE (Non-ECC). DIMM SD NON-ECC PC100 100MHz RAM Memory. Genuine A-Tech Brand. 1GB KIT (2 x 512MB) DIMM SD NON-ECC PC100 100MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For SuperMicro P6D Series. (See Compatibility List Below)