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The "2" indicates an EU power cord.
Look under "ordering and compliance" here:
https://ark.intel.com/content/www/us/en/ark/products/126135/intel-nuc-kit-nuc7cjyh.html
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...And the H means that it is the taller chassis that has a drive bay that can hold a 2.5" SATA HDD/SSD/SSHD.
...S
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