3 to 4-pin adapter   Manual speed control gives you a choice of lo-noise or hi-performance	8CM LED CASE FAN AK-170CC-4RABSC is a colourful, vibrant, and visually exciting case fan. The frame is crystal clear. 4 rainbow LEDs create a colourful visual display. Manual speed control gives a choice of lo-noise or hi-performance. This is a fantastic product for anyone who wants to add the edge to their modded PC. Crystal blue frame and blades Manual RPM speed control 4-blue LED  Application  PC Case fan  Fan dimension  80 x 80 x 25mm  Fan speed  2000 - 3800 R.P.M.  Fan airflow  25.6 - 46.1 CFM  Fan life expectancy  50000/hrs  Bearing type  Ball Bearing  Connector  3-pin with RPM sensor wire  Voltage rating  12V  Noise level  22.05 - 38.86 dB(A)  Product code  AK-170CC-4RABSC 3 to 4-pin adapter 4 case screws akasa is not responsible for the content of external internet sites Hexaplague-hardware.com "They look fantastic and would do anyones case proud" more.. Pccom.pl "WYGLAD, BARDZO CICHE, DOBRE WYKONANIE, 9/10" more..