Lenovo MISC INTERNAL
5M20U50611
is compatible in the following Models:
Lenovo V Series Desktop
V520S - 10NM000MAU
V520S - 10NM0034AU
V520S - 10NM0038AU
V520S - 10NM005VAU
V520S - 10NM005XAU
V520S - 10NN001PBP