This Dell A3858999 compatible 4GB DDR3-1066MHz Quad Rank Registered ECC 1.35V 240-pin CL7 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 our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.
- RAM Module offers better protection with maximum efficiency and convenience
- Up to 1066 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open
- 4 GB of memory to refine your computer's performance
- DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
- 1 x 4GB modules for enhanced memory reliability and productivity
- 240-pin for enhanced, dependable system performance with maximum usability
- CL7 CAS latency for faster, dependable clock cycles which allows quick access and retrieval of data and information
- DIMM form factor with 240-pin and 4 GB memory size for enhanced performance and speed to allow maximum usability
- Registered signal processing provides increased processing power to allow maximum productivity
