SKU :33L5040 Mfg.: IBM Short Description : IBM 2GB PC2100 DDR-266MHz ECC Registered The IBM 33L5040 has a capacity of 2 GB with the bus clock rate of 266 MHz/pc-2100 with error checking being ecc. The signal processing is registered with the CAS latency of CL2.5, the modules quantity being 1 x 2 GB. The form factor is RDIMM 184-PIN with the technology being DDR SDRAM. We offer same day ground shipping on orders over $50 within the 48 contiguous states, a one-year warranty, if you have any questions, feel free to chat with our web representative.