Can I connect NEMA 5-15P (US Plug) to PCIe x16?

NEMA 5-15P (US Plug) and PCIe x16 are not directly compatible.

Do I need an adapter for NEMA 5-15P (US Plug) to PCIe x16?

No, NEMA 5-15P (US Plug) and PCIe x16 can be connected directly without an adapter.

Will connecting NEMA 5-15P (US Plug) to PCIe x16 cause signal loss?

No significant signal degradation is expected when connecting NEMA 5-15P (US Plug) to PCIe x16.

NEMA 5-15P (US Plug) ↔ PCIe x16

Compatibility check and signal path analysis

Adapter Required

These connectors are not directly compatible. An adapter or converter cable is needed.

Signal Path

NEMA 5-15P (US Plug) Power

PCIe x16 Unknown

NEMA 5-15P (US Plug)

Family Power

Form Factor 3-prong flat blade

Pin Count 3

Reversible No

PCIe x16

Family Storage

Form Factor Card-edge slot (full-length)

Pin Count 164

Reversible No

Notes

NEMA 5-15P (US Plug) to PCIe x16: Storage and power connectors serve different purposes, though some storage connectors (SATA) include power delivery pins. The NEMA 5-15P (US Plug) (Power) and PCIe x16 (Storage) are from different connector families.