Hi, not a lot to go on in your question. No model numbers, etc. However, Intel lists the Seagate Momentus series hybrid hard drives (and presumably the comparable Samsung models) in its NUC compatibility chart.
I will pass on this thought. Hybrid tech runs hotter and slower than SSD. It has mechanical moving parts after all. I chose to go SSD (I have two 256GB SSD drives in mine.) instead of hybrid for that reason. It's easy enough to attach external USB drives to a NUC, as needed without adding the drive's heat production to the NUC.
The NUC Broadwell platform may or may not have cooling issues. My NUC 5i7 system runs 61C-63C at the motherboard. The SSDs run 25C-30C; and, the CPU temp varies between 50C and 80C. A 5i5 CPU should run a bit cooler, but who knows?
The Seagate drive is
Seagate 1TB 2.5" Solid State Hybrid (SSHD) ST1000LM014 64MB Cache SATA
The best option is to go for the tested peripherals since we know will work on the NUC but you can choose the one you wish to have.
I have a 5i5RYH with a Seagate Momentus XT 500 GB Hybrid Drive (ST95005620AS).
It works fine and boots fast.