Boost the performance and functionality of your system with the QNAP DDR3L SDRAM. With 4 GB storage capacity and a memory speed of 1866 MHz, this unbuffered RAM ensures brisk multitasking and fast data transfer. This non-ECC memory module features a 204-pin SO-DIMM form factor for compatibility. Operating at 1.35 volts, the low-voltage QNAP SDRAM uses less power, thereby putting lesser strain on the CPU.