Installation method for JRGB and JRAINBOW connectors on MSI motherboards

Scope and location

Manufacturer-specific 12V 4-pin JRGB and 5V 3-pin JRAINBOW distinction, power-off and damage warning.

JRGB connector; JRAINBOW connector; warning on voltage mismatch; motherboard manual check

Open the original source

Inspected

2026-10-09

Access

public page

Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Other LED headers and proprietary variants exist. No universal header assignment or exact LED current assumption.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.