Their interest in the duo had dwindled following unofficial talks with the Blades' earlier this year.
However, the club have now done a U-turn and look to have reignited their interest.
Ramsdale, 23, travelled to Euro 2020 with England and would likely cost £40m due to his experience at such a young age - a fee which Arsenal have baulked at.
And given Bernd Leno's shifty form and Runar Runarsson's departure, there is a void in the goalkeeping department.
Source : https://www.express.co.uk/sport/football/1472658/Arsenal-Sheffield-United-Aaron-Ramsdale-Granit-Xhaka-Sander-Berge-transfer-news181