k_bol, X vs. log λ_Edd for the high-λ_Edd AGN in our sample (blue triangles) compared to the XMM-COSMOS type-1 AGN (light grey crosses) of Lusso et al. (2010) with available Eddington ratio measurements. The solid black line refers to the best-fit relation from Duras et al. (2020). Dashed black lines describe the 1σ spread of the above relation. Green squares and red circles indicate the sub- and super-Eddington AGN from Liu et al. (2021), respectively.