This NexStar 6Gbps 3.5 inch SATA III USB 3.0 enclosure contains a Macintosh external 250GB hard drive. The drive was installed by an Apple repair shop to transfer data from a defunct Mac. It was used once, securely erased, and is formatted as Mac OS Ext (Journaled).
I do not know any more about this item, other than what’s written on the NexStar box (please see photos) and what appears on the Mac under System Information > Storage:
Macintosh External HD: Available: 249.61 GB (249,612,312,576 bytes)
Capacity: 249.93 GB (249,925,091,328 bytes)
Mount Point: /Volumes/Macintosh External HD
File System: Journaled HFS+
Writable: Yes
Ignore Ownership: Yes
BSD Name: disk2s3
Volume UUID: 9C62F31C-9CE7-3A50-8937-011C801E2704
Physical Drive:
Device Name: 00JS-41MVB1
Media Name: WDC WD25 00JS-41MVB1 Media
Protocol: USB
Internal: No
Partition Map Type: APM (Apple Partition Map)