5 Best US Stocks to Buy and Hold for the Next 3 Years

3. Arista Networks Inc. (NYSE:ANET)

Arista Networks Inc. (NYSE:ANET) is one of the best US stocks to buy and hold for the next 3 years. On March 12, Arista Networks announced the formation of a multi-source agreement/MSA for XPO, a revolutionary liquid-cooled pluggable optics module. Designed to meet the extreme bandwidth demands of AI networking, the XPO module delivers 12.8 Tbps of capacity and supports a front-panel density of 204.8 Tbps per rack unit.

This represents a 4x density improvement compared to existing 1600G-OSFP optics, providing a scalable solution for the rapid growth of AI data center fabrics. The XPO module introduces several key innovations, including an integrated cold plate capable of cooling up to 400W of power per module. It is a universal solution that supports all industry optics standards and next-gen architectures, offering flexibility for linear, half-retimed, or fully-retimed interfaces.

Chief Architect of Arista Networks Inc. (NYSE:ANET), Andreas Bechtolsheim, noted that XPO addresses the challenges of density and reliability as the industry transitions toward liquid-cooled environments. The XPO MSA is supported by major optical module suppliers, ensuring a robust ecosystem for the new form factor.

Arista Networks Inc. (NYSE:ANET) is a computer hardware company that develops client-to-cloud networking solutions for AI, data center, campus, and routing environments.