I have a Stratix 10 Development Kit. Which target device should I choose in Quartus?

Hi Xiaowei Wang, The ordering code provided by you,is of Stratix 10 GX FPGA Development Kit L-Tile Edition (ES Version) so if you refer the Table 1. from below link for Stratix 10 GX FPGA L-Tile then target device should be 1SG280LU2F50E2VG. https://www.intel.com/content/www/us/en/programmable/products/boards_and_kits/dev-kits/altera/kit-s10-fpga.html Please let me know if you have any concern. Regards, Vikas