NVR8CH-2P-AI hdd compatibility WD43PURZ

[Rack201]

NVR8CH-2P-AI on the way. Ordering an HDD and I can get WD43PURZ but the Dahua compatibility sheet I can find on lists WD40PURZ.. any thoughts? Safe gamble?

 

[bigredfish]

Pretty sure either will work. One just has a larger cache.