The Micron 512MB-DDR-184P-PC210 512Mb Ddr,266,184Pin, Ecc No-Reg Spd-1 Pc2100U, Cl2.5 (C8*1-B7-4 is in in stock at Calhoun Technologies. For over 10 years Calhoun Technologies has been saving companies likes your up to 80% off list price on hard to find computer hardware. Manufacturer: Micron Part Number: 512MB-DDR-184P-PC210 Details: Micron 512MB-DDR-184P-PC210 512Mb Ddr,266,184Pin, Ecc No-Reg Spd-1 Pc2100U, Cl2.5 (C8*1-B7-4