HP 3TK88TA COMP 8GB DDR4-2666MHZ 1.2V SRX8 SODIMMAddOn 8GB DDR4 SDRAM Memory Module For Notebook 8 GB (1 x 8GB) DDR4 2666 PC4 21300 DDR4 SDRAM 2666 MHz Single rank Memory CL15 1. 20 V Non ECC Unbuffered 260 pin SoDIMM Lifetime Warranty VPN: 3TK88TA AA SKU: RSC479786 UPC: 821456024552 8 GB bar will run multiple applications together and enhance your computer's performance 2666 MHz of memory speed with Unbuffered signal skillfully manages the variety of apps and computational tasks DDR4 SDRAM