49Y1428 I IBM 1x2GB ECC SDRAM DIMM PC3-10600 Registered Memory Module 49Y1438Technical Information Memory Size 2 GB Memory Technology DDR3 SDRAM Memory Voltage 1. 50 V Number of Modules 1 x 2 GB Memory Speed 1333 MHz Memory Standard DDR3 1333 PC3 10600 Error Checking ECC Signal Processing Registered CAS Latency CL9 Physical Characteristics Number of Pins 240 pin Form Factor DIMM Listing is for one unit. We ship all products according to manufacturer specifications. If the manufacturer does not include an option as standard