@alteredEnvoy @kravietz
Also the power consumption - laptop SODIMM memory needs 2-3 Watts per module. Sources:
1) https://www.servethehome.com/ddr4-dimms-system-power-consumption-tested/
2) https://www.tomshardware.com/reviews/intel-core-i7-5960x-haswell-e-cpu,3918-13.html

For comparison here is the Apollo Guidance Computer:
http://www.righto.com/2019/01/inside-apollo-guidance-computers-core.html
2048 words x 16 bits (15 bit data + 1 bit parity) 4 Kb total (a little less for actual data).