This HP® VH638AA compatible 4GB DDR3-1333MHz Dual Rank Unbuffered 1.5V 240-pin CL9 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.
- Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity
- Up to 1333 MHz speed for smooth computer performance
- DIMM 4 GB of memory to refine your computer's performance
- DDR3-1333/PC3-10600 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
- 240-pin for faster, dependable performance and better access to data and information
- Desktop PC device support for your ram module for maximum productivity and convenience
- DIMM form factor with 240-pin and 4 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility
