Noctua NA-SYC1, 4 Pin Y-Cables for PC Fans (Black)

I couldn't be happier with this purchase.. I had an issue with not having enough system fan headers on my MSI Z170 SLI Plus motherboard, and when I decided to replace a single 140 mm fan I had as an intake fan, with a pair of SP120s from Corsair, I was pretty much SOL. I ended up plugging one of the SP120s into the second CPU fan header I had on available, so problem solved, right? WRONG. SP120s are not PWM fans, and as such, the CPU fan header meant that since it was at a full 12V, the fan would be running at FULL SPEED, all the time. The SP120 was a performance edition.. That's 2400 RPM.. AND LOUD, REALLY LOUD. At first I didn't know why I couldn't adjust the SP120 I had setup on the CPU fan header, but when I looked in the motherboard manual, and realized that it was a voltage problem, because the CPU fan headers only offer speed control through PWM, I was left with a couple options. Option 1: find a 12V to 5V step down cable. This would at least let me drop the fan speed down to about 40% of it's normal speed all the time. Option 2: grab one of these cables, and connect both fans, with one cable, to a single system fan header. This way, the fans would be treated as a single input, and whatever you set for one fan will affect the other fan. This includes creating custom curves based on temp, or setting at a particular percentage all the time. I went with option 2. Thank god I did. I now have total control over both of the SP120s through MSI command center, and within BIOS. It works perfectly, and I couldn't be happier. If you want to see how easy it was to install, check this video out: [...] Now, something to note!!! When you get the cable, one of the female ends is only going to have 2 PINS, and one will have 3 PINS. THIS IS COMPLETELY NORMAL. If both had 3 PINS the motherboard would get conflicting info about the speed of the fans, and it would lead to a BIOS error. Don't leave negative reviews assuming your cables were defective!!! (Wouldn't you think about how incredibly coincidental it would be that you got a box with 2 DAMAGED CABLES, with the EXACT SAME DAMAGE?? Use common sense people...)

I love these Noctua Y-Cables. I added three Noctua fans to the top of my new PC case blowing air up and out. I added one of these Y-Cables to lessen the number of fan headers I had to connect to on my motherboard. They are high quality connectors and they work perfectly.

I recently purchased this product. I found it to be a great product. It is made sturdy and works well. It is easy to use and looks great. The price was fair and the item was as described in the ad.

Works great since i didnt have enough fan ports on my motherboard. if you need variable fan speeds look elsewhere as one speed will be set for everything plugged into the controller.

Great quality splitters. Built solid and correct (missing third pin on one split so the secondary connected fan does not report speed to motherboard creating a conflict). Excellent, somewhat tacky sleeving. Strong connectors. Can be used with 3 pin connectors also if wondering. Noctua doesn't just make great fans; they also make fantastic accessories for them (or any brand really). FYI in case the product description / scope of delivery does not get updated (I just submitted an update after waiting several days for the seller to do it themselves), the box (and these do come in a nice, solid, protective cardboard box) only contains *2* Y-splitters, not 3 like I thought when ordering. Noctua's own page also validates this on their description as do other retailers. Note that the pdf technical spec. / infosheet that Noctua has does (currently anyway) say 3, but this is either a typo or once upon a time this was sold as a 3 pack. It is only a 2 pack, and the box even says two printed on top of it. Anyway, I recommend these if you want longevity and an excellent warranty (6 years) to go along with quality fans. Cheap fans? Well, buy what you wish. High end case fans? Get these as well as their extensions if needed.

They do a good job for the price I paid

very good product but should come with 3 extension, it only comes with 2, the third should be the replacement

A quality product at a reasonable price. Works as advertised