This HP 647907-S21 compatible 4GB DDR3-1333MHz Dual Rank Unbuffered ECC 1.35V 240-pin CL9 factory original UDIMM 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.
- Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency
- No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed will run them smoothly
- DIMM 4 GB of memory to refine your computer's performance
- DDR3 SDRAM operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation
- 1 x 4GB modules for quick access and retrieval of data and information to ensure maximum usability
- 240-pin for optimal performance and maximum reliability
- CL9 CAS latency for quicker access to the required location in a timely efficient manner
- DIMM form factor with 240-pin and 4 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility
- Unbuffered signal processing provides reliable optimization for your required applications to allow maximum usability
