Can I upgrade the ram and ssd drive

https://everymac.com/systems/apple/macbo...

Standard Storage:128, 256 GB SSDStd. Storage Speed:N/A

Details:The MD760LL/B configuration has 128 GB of flash storage and the MD761LL/B configuration has 256 GB of flash storage. Neither configuration has a hard drive. The higher-end MD761LL/B configuration also could be equipped with 512 GB of storage at the time of purchase for an additional US$300.

Apple does not intend for one to upgrade the storage after purchase, but it is quite possible. OWC lists their available upgrades here:

https://eshop.macsales.com/upgrades/macb...

MacBook Air 13" Early 2014 Solid-State Drive Replacement

Standard RAM:4 GBMaximum RAM:8 GB*

Details:*4 GB of RAM is onboard. It could be upgraded at the time of purchase to 8 GB as a US$100 option, but it cannot be upgraded later.