The HP SODIMM4GBpc3L-12800Micron is a refurbished memory module for compatible computers that use a DDR3L SO-DIMM. It is identified by product code 687515-663-RFB, corresponding to HP part 687515-663.
The module provides 4GB of memory in PC3L-12800S format, with a rated speed of 1600 MHz. Its SO-DIMM form is intended for systems that accept this compact memory-module type.
It has 204 pins and operates at a rated voltage of 1.35 V. These specifications describe the module’s memory format and electrical requirements.