Since these are finally hitting the market now, here is an official thread for the 7th generation Intel NUCs:
Intel® NUC Kit NUC7i7BNH
Create, edit, and view 4K content across triple 4K displays with the Intel® NUC Kit NUC7i7BNH, featuring a dual-core 7th Generation Intel® Core™ i7 processor and Intel® Iris™ Plus graphics.
Intel® NUC Kit NUC7i5BNH
Get more storage capacity and truly responsive performance with 4K Ultra HD video and premium content playback with the Intel® NUC Kit NUC7i5BNH featuring a dual-core 7th Generation Intel® Core™ i5 processor, up to 32 GB of DDR4 RAM, and a 2.5” drive bay for even more storage space.
Intel® NUC Kit NUC7i5BNK
The Intel® NUC Kit NUC7i5BNH features a dual-core 7th Generation Intel® Core™ i5 processor and Intel® Iris™ Plus graphics for truly responsive performance that is ideal for 4K Ultra HD video and premium content playback.
Intel® NUC Kit NUC7i3BNH
As an entertainment hub or a digital personal assistant, the Intel® NUC Kit NUC7i3BNH, with a dual-core 7th Generation Intel® Core™ i3 processor and 2.5” drive bay for additional storage, has the performance to finish a last-minute presentation, track appointments, and stream the latest movie, with 4K support.
– Intel Core i3-7100U Processor, 2.4GHz, dual-core, 15W TDP
– 2 slots for DDR4-2133 SO-DIMM memory, 1.2V, max. 32GB
– Normal, full-size HDMI 2.0 port
– USB Type-C Port with DisplayPort 1.2
– Intel HD Graphics 620 GPU, 24 EUs (GT2)
– Four USB 3.0 ports (2 on the front, 2 on the rear)
– Intel Gigabit Ethernet LAN adapter
– Intel Wireless-AC 8265 WiFi adapter (802.11ac, dual-band, max. 867 Mbps, Bluetooth 4.2)
– Support for M.2 SSD card (sizes 22×42 and 22×80)
– Slot for a single 2.5″ drive (SSD or HDD, max. 9.5mm thickness)
– Micro SD card reader (support SDXC cards and UHS-I)
– Dual-array microphones on the front panel
– Infrared sensor and 3.5mm audio jack
– Dimensions 115 mm x 111 mm x 51 mm (4.5″ x 4.4″ x 2.0″)
Intel® NUC Kit NUC7i3BNK
With a dual-core 7th Generation Intel® Core™ i3 processor, the Intel® NUC Kit NUC7i3BNH offers the performance to be your entertainment hub for streaming the latest movies with 4K support and your digital personal assistant for finishing a last-minute presentation, tracking appointments, and more.
There is a nice review of the first i3 model here: