MKBKLLJY KK-US-649 1-to-2 PWM Fan Splitter Cable

MKBKLLJY KK-US-649 is a sleeved PWM fan splitter cable for connecting two case fans to one fan header. The listing describes a 27cm black braided lead for 3-pin and 4-pin fans, but gives conflicting kit quantities, so confirm the selected package contents before ordering.

At a glance

Splits one fan connection into two for a case-fan layout.
The listing claims compatibility with 3-pin and 4-pin fans and PWM speed control.
A 27cm sleeved lead offers some flexibility for routing inside a computer case.

Price

£7.19Save 20%

Reference price: ~~£8.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

One splitter can connect two fans to a single fan interface.
Braided sleeving and the stated 27cm length support neater cable routing.
The listing describes compatibility with both 3-pin and 4-pin fans.

Technical specifications

10 specifications

Identity
Brand	MKBKLLJY
Model	KK-US-649

Connections and compatibility
Splitter configuration	1 to 2
Connector type	4-pin
Number of pins	4
Compatible fans	3-pin and 4-pin fans

Cable and dimensions
Cable length	10.6 inch/27 cm
Wire gauge	24AWG
Conductor specification	11 x 0.12TS
Colour	Black

What to know before buying

The title claims five splitter cables, one feature section claims eight, and the description claims five. The cable-tie quantities also vary between sections. Confirm the selected listing's actual kit contents. The listing describes a 3-pin and a 4-pin output but also identifies the connector type as 4-pin, so verify connector details and header compatibility before purchase.
The listing advises keeping the connected fans' total power within the motherboard or power supply limit. Check the relevant header rating for your setup.

What’s in the box

PWM fan splitter cablesCheck selected pack
Red cable tiesCheck selected pack
Black cable tiesCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

PC builders who need to connect two case fans to one fan interface.
Users routing fan wiring across a computer case and seeking a sleeved cable.
Setups with 3-pin or 4-pin fans, after confirming the connector layout.

Less suited to

Buyers who need a confirmed cable quantity or tie count without checking the selected listing.
Setups where the combined fan power exceeds the motherboard or power supply limit.

MKBKLLJY KK-US-649 1-to-2 PWM Fan Splitter Cable · photo 2 — Additional product photo 2

Frequently asked questions

How many fans can this cable connect?

The listed 1-to-2 splitter is intended to connect two fans to one fan interface.

Does it work with 3-pin fans?

The listing claims compatibility with both 3-pin and 4-pin fans, but its connector descriptions are inconsistent. Check the connector layout against your fans and header.

How long is the cable?

The stated cable length is 10.6 inch/27 cm.

How many splitter cables are included?

The listing conflicts: the title and description claim five cables, while a feature section claims eight. Confirm the quantity in the selected listing.