This HP 593911-B21 compatible 4GB DDR3-1333MHz Single Rank Registered ECC 1.35V 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 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 is the single answer to all your desired and heavy-duty application memory needs
- No matter how heavy and numerous the applications that you are using, 1333 MHz memory speed with registered signal and CL9 latency will run them smoothly
- DIMM 4 GB of memory to refine your computer's performance
- DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
- 1 x 4GB modules for dependable storage efficiency and maximum convenience
- 240-pin for enhanced, dependable system performance with maximum usability
- 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 for enhanced performance and speed to allow maximum usability
- Registered signal processing provides reliable optimization for your required applications to allow maximum usability
