Nier: Automata's PC release date same as PS4 in Europe
But three days later in North America.
Nier: Automata's Steam release has been confirmed for 10th March in the following trailer (via Gematsu):
That's the same day it's coming out on PS4 in the UK and Europe, though three days later than its 7th March North American launch.
Bear in mind that the Steam version is digital-only, so pre-orders won't include the Nier: Automata T-shirt director Yoko Taro is nonsensically blathering on about in a very strange ad.
For more on Nier: Automata, you can watch a half-hour of footage detailing its open-world, platforming, and moose-riding elements.