Thunderbolt has around two orders of magnitude less bandwidth and two orders of magnitude higher latency than the DRAM in that machine. Viewed through the narro

Thunderbolt has around two orders of magnitude less bandwidth and two orders of magnitude higher latency than the DRAM in that machine. Viewed through the narrow <40 Gbit/s TB3/4 funnel, you'll have trouble telling DRAM and a PCIe 4 SSD apart.