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Where can I find the difference between different HPE drive models?

Specifically, I need to get several 4TB HPE SATA drives for a HPE DL380 server, and I don't understand the difference between a 872491-B21 4TB drive, and a 861752-B21 4TB drive. I am finding them in different tables and datasheets, but cannot identify the difference, yet the latter is almost 3x more expensive.

What's the difference?

vgru
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    The difference is the support for 512e format which the second drive has. You should know if you need it or not. – Overmind Aug 24 '20 at 12:53
  • Make sure you've checked your exact server model's quickspecs to ensure the exact model of drive you want is supported in it too. – Chopper3 Aug 24 '20 at 14:34

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