Speedup booting with KDE

Hi, i’m a newone ,camed from Arch Linux, help me to speedup the booting, it takes over 50 sec to boot to desktop, when in Arch was only 20 sec to desktop with systemd… wich services i have to stop from OpenRC…
Specs: only a HDD no SSD, Intel i5, 8GB RAM DDR3, DSL -net (via DHCP), Nvidia 550 Ti graphich card, and Samsung printer…

Desktop.jpg

It takes 50 sec to login screen or to full booted system with login in to your profile?

The extra 30 seconds is well worth the wait. IMO ;^)