# Seagate Exos 16TB: X16 vs X18 vs X24 Models

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Purpose: Compare exact Seagate Exos 16TB models by generation, SATA or SAS, cache, speed, security variant, warranty and current price.
Direct answer: The current X24 SATA ISE model ST16000NM002H is the cleanest current-generation reference, while X16 ST16000NM001G and X18 ST16000NM000J can remain strong value options. Verify SATA versus SAS and warranty source before buying.

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