Yeah not ideal for a 450w PSU to only have one PCI-e connector, but in reality it shouldn't affect that many, unless you have some 1070's or above which require two power connectors. The CX450m does have two PCI-e power connectors which isn't normally too much more than this.
Is that unusual for a 450w PSU? That would allow it to provide 225w of power to a graphics card leaving 225w for the rest of the system.
Tier 3: https://linustechtips.com/main/topic/631048-psu-tier-list-updated/ Not bad for £40
Whoops, I thought it was the semi-modular version. Thanks letting me know.
Yeah its an OK PSU, good for budget builds (basically its not dangerous like lots of other budget PSU's). But be aware it only has one PCI-E power connector.