Computer Housing Cooling Fans Hub 4Pin 3Pin Practical Computer Housing Cooling PC 12V PWM Description: [Compatibility] This 12V fan hub expansion card is compatible with all 12V CPU fans with 4-pin or 3-pin connectors, making it a versatile addition to your computer's do setup. [Easy installation] Hub separating wentylator is equipped with double-sided adhesive tape for easy attachment of do computer case. Alternatively, you can also use screws to securely install the fan splitter. [Expandable] With the ability to expand do eight fan interfaces, this adapter fan effectively solves the problem of insufficient cooling fan power interfaces. [Power Supply] It draws power directly from your computer's power supply and is suitable for 12V 3PIN and 4PIN fans. For added convenience, it features large 4P dual power interface inputs. [Material and Construction] Made of durable pp material, the housing has a high-performance printed circuit board that provides low resistance and does not affect fan performance. Specification: Material: PP Size Chart: 6,8 cm x 4,8 cm / 2,68 inch x 1,89 inch The package includes: 1 fan center