Hikvision NVR K and Q difference?

[voidtemp7]

Hello!

What do K and Q in DS-7608NI-K1-8P and DS-7608NI-Q1-8P mean?
Are there any major differences between them?
I noticed only "Decoding Capability: 5 vs 4 @1080p"

DS-7608NI-K1/8P

Hikvision DS-7608NI-K1/8P 8-ch 1U 8 PoE 4K NVR

www.hikvision.com

DS-7608NI-Q1/8P

Hikvision DS-7608NI-Q1/8P 8-ch 1U 8 PoE 4K NVR

www.hikvision.com