Package include: 1 Piece fan include mounting screws & nuts | Dimensions: 30mm (L) x 30mm (W) x 10mm (H) / 1.18'' (L) x 1.18'' (W) x 0.39'' (H) | Rated Voltage: DC 12V; Rated Current: 0.08 Amp; Rated Speed: 10000 RPM; Air flow: 3.95CFM; Noise: 26dBA | Bearing Type: Sleeve Bearing ; Life: working up to 35000h at 25 degrees. | Connector: XH2.54-2Pin; Lead wire: UL Type (+): Red wire ; (-): Black wire. This is a two wire cooling fan.

Dimension of outer the frame is 80mm(L) x 80mm(W) x 25mm(H) / The size of fan in inch is 3.15in(L) x 3.15in(W) x 1in(H); The center to center distance beween the mountiong holes is 71.5mm/2.81in. | Operating Voltage Range：5.5V to 13.8V. (overtake to 13.8V, it can also work. but not safe, and seriously affects lifespan of fan.) | Rated Voltage: DC 12V; Rated Current: 0.2 Amp; Rated Speed: 2800 RPM; Air flow: 43.6CFM; Noise:31dBA; Power: 2.1Watt | Connector: XH2.54-2Pin; Lead wire: UL Type (+): Red wire ; (-): Black wire. This is a two wire cooling fan; Bearing Type: Sleeve Bearing ; Life: working up to 35000h at 25 degrees. | Please Comfirm the Fan Size, Voltage, Connector and other parameters before purchase.

Package include: 1 Piece Graphic Card Fans with 1*Power D-type Interface cable | Dimension: 92mm(L) x 92mm(W) x 25mm(H) / 3.62in(L) x 3.62in(W) x 1in(H) in per fan. Totally Size: 185mm(L) x 120mm(W) x 30mm(H) / 7.28in(L) x 4.72in(W) x 1.18in(H) | Rated Voltage: DC 12V; Rated Current: 0.2Amp; Rated Speed: 2000 RPM; Air flow: 86CFM; Noise: 27dBA | D-type interface cable included four interfaces, three voltages: 5V 7V and 12V; Different voltages with different airflow, speed, and noise. you can select the appropriate voltage interface to start the fan. | 2 fans combined into one interface, Can be connected to the motherboard's 3-pin or 4-pin interface and you only need to access one interface to run all the fans.