SKU : 33L3285 Mfg.: IBM Short Description : IBM 1GB PC1600 CL2 ECC DDR SDRAM DIMM The IBM 33L3285 1gb Ddr 266mhz ECC Reg 184pin. The memory size is 1 GB and the memory technology is DDR SDRAM with the memory speed is 266 MHz. The error checking is ECC with the signal processing being registered and the device supported is a server. The number of pins is 184-pin and the device supported is a server. The products are Grade A system pulls which means they were pulled from a server but they have been tested and work. 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.