Is 1080p enough on a 40-inch TV?

At typical bedroom or small-room distances, 1080p looks sharp on a 40-inch screen. The benefit of 4K only shows up when you sit very close or use a larger screen.

Does the S65C support HDR?

Yes, it accepts HDR signals, but the effect is limited on a 1080p panel without wide color or high brightness. Expect a modest improvement, not a showcase.

Can I use it for gaming?

It handles 1080p at 60 Hz through HDMI 2.0, which suits casual console play. It has no 120 Hz mode or variable refresh rate, so fast competitive gaming is better served elsewhere.

Does it have smart TV apps?

The set is focused on picture basics rather than streaming. Check the input list and add a streaming stick if you need Netflix, YouTube and similar apps.

How many HDMI ports does it have?

It offers HDMI 2.0 connectivity, but the count is smaller than on most larger sets. A switch or soundbar with pass-through helps if you have several devices.