AddOn - DDR3 - 8 GB - SO-DIMM 204-pin - 1600 MHz / PC3-12800 - CL11 - 1.35 V - unbuffered - non-ECC - for Dell Inspiron 14 34XX, 24 54XX, 32XX, 36XX, 5458, 55XX; Vostro 3459; XPS One 2720.