This HP 593339-S21 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.
- Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency
- Up to 1333 MHz speed with registered signal and CL9 latency for smooth computer performance
- 4 GB memory smoothly executes complex apps and games
- 240-pin-pin 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 quick access and retrieval of data and information to ensure maximum usability
- 240-pin for enhanced, dependable system performance with maximum usability
- CL9 CAS latency for reliable, fast response and improved performance
- 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
