The G512 Carbon by Logitech is a Full sized keyboard with 104 keys, which uses ROMER-G, GX BLUE MECHANICAL switches. The keyboard has media keys which are accessible via function keys. The G512 Carbon keyboard uses a USB connection, with a 1.8m cable. It is supported by Logitech Gaming Software. It weighs in at 1150 g (w/o cable), and is 445 x 132 x 34 mm [LxWxH].
The G815 by Logitech is a Full sized keyboard with 109 keys, which uses Low Profile GL switches. The keyboard has dedicated media keys. The G815 keyboard uses a USB connection, with a 1.8 m cable. It is supported by Logitech G HUB software. And has LIGHTSYNC RGB backlighting with per-key lighting effects. It weighs in at 1145 g, and is 475 x 150 x 22 mm [LxWxH].