So I bought an m.2 ssd. At first I didn't find this standoff and screw but I think these are the right ones (they came in the motherboard box). The screw in
ASUS Z170 Pro Gaming Motherboard Unboxing (UPDATED) | Geeks3D
ASUS Z170 PRO Gaming LGA 1151 ATX Motherboard Z170 PRO GAMING
HELP WITH M.2 SAMSUNG 960 EVO 250GB. - Asus Z170 Pro Gaming - Page 2
ASUS Z170-PRO LGA 1151 ATX Motherboard Z170-PRO B&H Photo Video
ASUS Z170 Pro Gaming Motherboard Announced | TechPowerUp
Confused
ASUS Z170 Pro Gaming Motherboard Unboxing (UPDATED) | Geeks3D
HELP WITH M.2 SAMSUNG 960 EVO 250GB. - Asus Z170 Pro Gaming - Page 2
ASRock > Fatal1ty Z170 Professional Gaming i7
HELP WITH M.2 SAMSUNG 960 EVO 250GB. - Asus Z170 Pro Gaming - Page 2