Product Id: 29779456
Description: AddOn - DDR3 - 4 GB - DIMM 240-pin - 1333 MHz / PC3-10600 - CL9 - 1.5 V - registered - ECC - for Dell PowerEdge C1100, C2100, C6100, C6105, R310, R715, R810, R910; Precision T5500, T7500
Mfr Part #: A3721482-AMKThis Dell A3721482 compatible 4GB DDR3-1333MHz Dual Rank Registered ECC 1.5V 240-pin CL9 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. The products are also guaranteed by federal law to not affect or void OEM warranties.