PC2100R-25331-Z

Memory Generation: DDR SDRAM (DDR1).Bus Speed: PC2100 operating at 266 MHz.Module Type: Registered DIMM (RDIMM), indicated by the "R" in the part number.Form Factor: 184-pin physical interface.Error Correction: ECC (Error-Correcting Code) to detect and correct data corruption.CAS Latency: CL2.5 timing profile.Voltage Requirement: 2.5 Volts.Common Capacities: Historically manufactured in sizes like 256MB, 512MB, and 1GB modules.