Hello @Eivinnjo and welcome a manual and the technical specifications can be found here: https://www.medion.com/de/service/product-detail/10024082 you have a B460H6-EM board, its feature to upgrade you can find here: https://community.medion.com/t5/FAQs/FAQ-Spezifikationen-Mainboard-quot-ECS-B460H6-EM-quot/ta-p/97151 your computer already has a PCIe installed, another m.2 card on the second free space must be a SATA version. 1 x M.2 M2_2 (for PCIe X4 NVMe SSD and Intel Optane module 2260 & 2280) 1 x M.2 M2_1 (2260 and 2280 size with flexible standoff, SATA mode only) bye Fishtown
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