Features: brand new and high quality Replacement fan for Avalon 6, Avalon 741, Antminer S9 (S3 S4 S5 S7) , Whatsminer M3, Ebit E9 AntMiner D3 L3+ T9 S15 T15 S17 T17 Misieren SHLF1212GHE-07 2. Replace Cryptouniverse CPF- 12V Fan – Square Fan for DC 12V 2.1A PWM temperature control version, supports 4-pin PWM intelligent temperature control speed, With high precision ball bearings.Can be installed in CPU radiator, or used on the chassis. 6000RPM large air volume design, stable air flow, low noise and large air volume. Suitable for a variety of application scenarios, such as installing on CPU air-cooler that require a 12cm fan, or as a chassis fan. Specifications: Model: SG121238BS Size: approx 120x120x38mm//4.72x4.72x1.5in Connector: 4 Pin Air Volume: 210.38CFM Speed: 6000RPM Voltage: for DC 12V Current: 2.70A Wire Lenght: 28cm/11in Application : 1.Replacement FAN for: Avalon 6, Avalon 741, Antminer S9 (S3 S4 S5 S7) , Whatsminer M3, Ebit E9 AntMiner D3 L3+ T9 S15 T15 S17 T17 Misieren SHLF1212GHE-07 2. Replace Cryptouniverse CPF- 12V Fan – Square Fan Material: Plastic Package Includes: 1 PC x SG121238BS Cooling Fan note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!