At least according to: https://instances.vantage.sh/rds/?selected=db.r6g.16xlarge,db.r5.12xlarge https://instances.vantage.sh/rds/?selected=db.r6g.16xlarge,d..

At least according to: https://instances.vantage.sh/rds/?selected=db.r6g.16xlarge,db.r5.12xlarge https://instances.vantage.sh/rds/?selected=db.r6g.16xlarge,d... It looks like a reserved instance is 35% off sticker price? Add probably a discount and you'd be around 40% off.