Designed for their TVS-951X 9-Bay NAS Enclosure, the 4GB DDR4 2400 MHz SO-DIMM Memory Module from QNAP is a single RAM module that will let you upgrade the overall memory capacity of the TVS-951X. It features a capacity of 4GB, a clock speed of 2400 MHz (PC4-19200), and 260-pin SO-DIMM form factor.
Please note that this memory module is only compatible with the QNAP TVS-951X.