A-Tech DDR4 Memory RAM compatible replacement for CT16G4SFD824A ^^ Single 16 GB Module; DDR4 SO-DIMM 260-Pin; Speeds up to 2400 MHz, PC4-19200 (PC4-2400T) ^^ NON-ECC Unbuffered; 2Rx8 (Dual Rank x8); JEDEC DDR4 standard 1.2V ^^ Compatible for select Laptop, Notebook, and AIO (All-in-One) Computers; *refer to your system's manual to confirm compatibility ^^ Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity ^^ All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance ^^ Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase