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Why Does Windows* Show Less Storage Capacity than the Full Capacity of the Intel® Optane™ SSD?

Content Type: Product Information & Documentation | Article ID: 000056476 | Last Reviewed: 04/30/2025

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Intel® Optane™ SSDs

Description

Full capacity of the drive not shown in OS.
Drive does not show full capacity in Windows*. Example: A 1TB SSD shows 960 GB of capacity available.

The OS reserves some capacity of the SSD for recovery. It is normal to not see the full capacity of the drive reflected in the OS.

This article applies to 11 products.

Intel® Optane™ Memory Series Intel® Optane™ SSD DC P5810X Series Intel® Optane™ SSD DC P5800X Series Intel® Optane™ Memory H10 with Solid State Storage Intel® Optane™ SSD 8 Series Intel® Optane™ SSD 9 Series Intel® Optane™ SSD DC P4800X Series Intel® Optane™ SSD DC P4801X Series Intel® Optane™ Memory H20 with Solid State Storage Intel® Optane™ SSD P1600X Series Intel® Optane™ Memory M10 Series

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