The Rock 5A Pink Edition is an affordable version of the Rock 5A that comes pre-configured with 16 GB of LPDDR4x RAM. Sold for just over $100, the Rock 5A Pink Edition is billed as being powerful enough to surpass the Raspberry Pi 5, the most potent option in the Raspberry Pi ecosystem.https://www.notebookcheck.net/Radxa-Rock-5A-Pink-Edition-launches-with-16-GB-RAM-to-compete-against-Raspberry-Pi-5.800775.0.html
It's not discounted. The blue edition with 16 GB RAM is available at the same price. I don't know where you get this info from.