DELL l - DDR4 - module - 4 GB - SO-DIMM 260-pin - 3200 MHz / PC4-25600 - 1.2 V - unbuffered - non-ECC - Upgrade - for Inspiron 15 3530, Latitude 5520, OptiPlex 5490 All-In-One, 7490 All In One

DELL AA937597. Component for: Laptop, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR4, Memory clock speed: 3200 MHz, Memory form factor: 260-pin SO-DIMM