41Y2715 I IBM 4GB 2x2GB Kit PC2-4200 CL4 ECC DDR2 SDRAM RDIMM DDR2 Reg MemoryTechnical Information Memory Size 4 GB Memory Technology DDR2 SDRAM Number of Modules 2 x 2 GB Memory Speed 533 MHz Memory Standard DDR2 533 PC2 4200 Error Checking ECC Signal Processing Registered CAS Latency CL4 Physical Characteristics Number of Pins 240 pin Form Factor DIMM Listing may include stock images, please contact us for confirmed photos of our inventory. We ship all products according to manufacturer specifications. If the manufacturer