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4 pin y fan splitter issues?

Torhus
By Torhus
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Go to solution Solved by Torhus,

For anyone in the future - i resolved the issue.... its kinda embarrassing.

But one of the connectors had come loose as i tugged away the cable for looks - so it was only connected on one side.

 

 

Posted
Hello,
I recently build a new mini-itx system in the Phanteks shift case.
The motherboard (strix z370-i) only has a CPU fan header and a single chassis fan header.
So i decided to get a phanteks 4pin y splitter, which i have now plugged in, so that it splits the cpu fan header between the radiator intake fan, and a chassis intake fan.
 
The problem now, is that it sounds like one of the fans is just going full throttle, while the other is controllable. I was hoping the speed set on the CPU fan header, would reflect on both fans? is something wrong, or have i misinterpreted how a fan splitter should work?
 
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are they all 4pin fans and headers?

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: HP EX920 1TB PCIe x4 M.2 SSD + Crucial MX500 1TB 2.5" SATA SSD, 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally, 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172) left outside Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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7 minutes ago, Pangea2017 said:

You mixed 3 pin and 4 pin fans. The 3 pin fan is now running at 100%.

They are both the same exact type of fan.

Noctua 120mm, 4 pin fans

 

It should be noted that the splitter seems so have 3 pins in one of the male connectors, but it is still a 4 pin socket

 

(Edited Original Post with links to products)

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  • Solution

For anyone in the future - i resolved the issue.... its kinda embarrassing.

But one of the connectors had come loose as i tugged away the cable for looks - so it was only connected on one side.

 

 

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