The MacBook Air A2681 or 2022 M2 MacBook Air, has 2 USB-C / Thunderbolt 3 ports and a Magsafe 3 port for charging.

Pretty much any external drive sold to day will work in either one of those USB-C ports.
Make sure you select an external drive with a USB-C cable. Some good quality brand sinlcude Samsung, Sandisk, Seagate, Crucial.
Some examples:
click here ➜ Sandisk 1TB Portable USB-C Ready - Amazon.com
click here ➜ Samsung P7 1TB Portable Drive - Amazon.com
click here ➜ Crucial 1TB portable USB-C -Amazon.com
Do note, some drives may come formatted fpr windows, but that can be easily resolved by reformating into a Mac compartible format such as HFS+ or APFS in Disk Utility.
click here ➜ Erase and reformat a storage device in Disk Utility on Mac - Apple Support