Infineon HYS72D64500GR-7-B DDR1-266 512MB (64Mx72) 2-3-3 REG ECC LP - new, never used.

HYS72D64500GR-7-B$49.00Server Platform: 
Infineon HYS72D64500GR-7-B 1GB (2 x 512MB) CL2 PC2100R KitInfineon 512MB PC2100 DDR-266MHz ECC Registered CL2-3-3 184-Pin Low Profile Single Rank DIMM Memory Module (2 pieces in the kit). Certified for 1U and Blade HPC Linux Clusters projects with Intel Itanium-2, Xeon or AMD Opteron DDR-266/333 supported workstation & server boards.