STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable [150mm Long] : ID 4209 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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4-pin AT / ATX / IDE Molex to Berg Floppy Drive Power Cable : ID 425 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Is it normal for a 4 pin fan splitter to have 1 4 pin input and x 3 pin inputs? Does that still work with PWM? - Quora
Delock Products 85516 Delock Cable Power supply Molex 4 pin male > 4 x 2 pin fan (12 V / 7 V / 5 V) 20 cm
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AD PA011: 4-pin ATX - P4 > 8-pin EPS mainboard power adapter at reichelt elektronik