Yep. The other chunk results from the OEM's refusal to stick to any long term consistency in the components they spec in consumer lines of devices. In busines

Yep. The other chunk results from the OEM's refusal to stick to any long term consistency in the components they spec in consumer lines of devices. In business lines, you will likely get a 6-12 month guarantee with a 6-24mo forecast showing exactly what is shipping with what (CPUs, GPUs, screens, hard drives, etc). With consumer lines, they change components & suppliers any time, for any reason.