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I've just bought an OWC aura SSD upgrade For my MacBook Pro late 2013 retina and it should be 1TB but is only showing a size of 480gb. Is there anything I can do to get it to show the correct size, or is it a hardware fault?

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    What does diskutil info disk0 give you? – Allan Aug 29 '17 at 3:35
  • Or, if you don't use the command line interface, what do you see in Disk Utility? Is it possible your 1 TB has been partitioned? – Zonker.in.Geneva Aug 29 '17 at 8:04
  • diskutil says this: Device Identifier: disk0 Device Node: /dev/disk0 Whole: Yes Part of Whole: disk0 Device / Media Name: OWC Aura SSD Volume Name: Not applicable (no file system) Mounted: Not applicable (no file system) File System: None Content (IOContent): GUID_partition_scheme OS Can Be Installed: No Media Type: Generic Protocol: PCI SMART Status: Verified – Olly Bowman Aug 29 '17 at 9:47
  • and this Disk Size: 480.1 GB (480103981056 Bytes) (exactly 937703088 512-Byte-Units) Device Block Size: 512 Bytes Read-Only Media: No Read-Only Volume: Not applicable (no file system) Device Location: External Removable Media: Fixed Solid State: Yes Virtual: No OS 9 Drivers: No Low Level Format: Not supported – Olly Bowman Aug 29 '17 at 9:50
  • Please post that info into the question by editing it, not putting it in comments. That said - you have a 480.1GB drive. You need to contact OWC – Allan Aug 29 '17 at 12:44

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