SoundOriginal 2pcs NF- 4020 Brushless DC Cooling Fan 12V 0.04~0.06A 40x40x20mm Speed 5000 RPM Fans for Computer Case Network and Storage Equipment (Routers, Switches, NAS etc Replacement) (12V 2pack)
computer fans 40mm cooling fan 12vdc 0.06A 40mm x 40mm x20mm Speed 5000 RPM Fans for computer case 40mm 3d Printer fan used in humidifier, aromatherapy and other small appliances series; small heat radiating communication equipment; military equipment; intelligent industrial control equipment plate cooling heat, high precision medical equipment cooling; pc cpu server cooling dissipation; electronic cooling fans and so on---Repair Replacement (2Pack)
Bearing Type: Dual Ball Bearing, Speed: 5000 RPM, Dual-ball bearings have a lifespan of 60,000 hours and allows the fans to be laid flat or stand upright. Connector: 2 Terminal Connector with 2pin-ph2.5; compact motor design,
Connector: 2 Terminal Connector with 2pin-ph2.5; compact motor design, the NF-A4x20's motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x20's superior airflow and pressure performance.
40x20mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
Dimensions: 40x40x20mm (1.6 x 1.6 x 0.79inch). per fan | Total Airflow: 6.9 CFM | Total Noise: 34.5 dBA | Bearings: Dual Ball