Engineered for demanding thermal management, this 70mm fan delivers precise airflow control with a wide 650-4400 RPM range via PWM. Its 12V, 0.7A specification ensures robust cooling power, while the dual ball bearing construction guarantees longevity and consistent performance in high-temperature server and CPU environments. Features and Benefits
- PWM Speed Control (650-4400 RPM) - Enables precise, software-controlled airflow adjustment for optimal cooling and quiet operation at lower loads
- Dual Ball Bearing Design - Provides superior durability and a longer operational lifespan compared to sleeve bearings, especially in continuous-use scenarios
- 12V, 0.7A Power Rating - Delivers reliable and powerful airflow for effective heat dissipation from concentrated heat sources
- 70mm (7cm) Form Factor - A direct replacement for standard-sized cooling units in a variety of compact computer and server chassis Applications
- Server Cooling Replacement - An ideal direct replacement for the AVC DV07020B12U fan in rack servers and workstations requiring reliable 24/7 operation
- High-Performance CPU Cooling - Suitable for upgrading or repairing CPU coolers and small form factor PC builds that demand efficient thermal management
- Electronics Enclosure Ventilation - Effectively moves air in network switches, NAS enclosures, or other electronic equipment prone to heat buildup
- DIY and Repair Projects - A reliable component for technicians and enthusiasts restoring or building custom cooling solutions Note
Please verify physical dimensions and connector compatibility with your existing hardware prior to purchase to ensure a proper fit.
Frame Dimensions: 70 x 70 x 15 mm. Fan Size: 70 mm. Mounting Screw Size: M3. Frame Material: Plastic. Blade Material: Plastic. Power: 8.4 W. Voltage: 12 V DC. Bearing Type: Dual Ball Bearing. Cable Length: 300 mm. Connector Type: 4-pin Molex KK. Control Method: 4-pin PWM. Current: 0.7 A. Model: DV07020B12U. Mounting Hole Spacing: 60 mm. Speed Range: 650 - 4400 RPM. Nominal Voltage: 12 V DC. Frame Size: 70 x 70 mm. Mounting Screw Size: M3 or #6-32 (Standard). Nominal Size: 70 mm. Frame Material: Glass-Filled Polyamide (PBT/PA). Impeller Material: Polycarbonate (PC) or PBT. Nominal Power Consumption: 8.4 W. Start Voltage: ≤ 7 V (Typical for 12V PWM fan). Operating Temperature Range: -10°C to +70°C. PWM Duty Cycle Range: 20% - 100%. Speed Range: 650 - 4400 RPM. Storage Temperature Range: -20°C to +80°C. Acoustic Noise Level: ~35 dBA (Estimated at max speed). Bearing Type: Dual Ball Bearing. Blade Count: 7 (Typical for form factor). Connector Type: 4-Pin PWM (Standard). Control Method: 4-Wire PWM (Pulse Width Modulation). Mounting Hole Spacing: 60 mm (Standard for 70mm frame). MTBF (Mean Time Between Failures): >70,000 hours (Typical for dual ball bearing at 25°C). Nominal Airflow: ~25 CFM (Estimated at max speed). Nominal Current: 0.7 A. Product Type: PWM Cooling Fan. PWM Signal Frequency: 25 kHz (Typical industry standard). Static Pressure: ~3.0 mmH₂O (Estimated at max speed). Q: What are the exact specifications and dimensions of this 70mm cooling fan? A: This is a 70mm x 70mm x 15mm fan that operates at 12V with a 0.7A current draw. It features PWM control for variable speeds between 650 and 4400 RPM and uses a dual ball bearing design.. Q: How durable is the dual ball bearing in this 70mm PWM fan? A: The dual ball bearing construction is significantly more durable than sleeve bearings, offering a longer lifespan and better resistance to dust and high temperatures. This makes it ideal for demanding applications like continuous server or CPU cooling.. Q: Is this 70mm fan compatible with my AVC DV07020B12U system? A: Yes, this fan is a direct replacement for the AVC DV07020B12U model. It maintains the same 70mm size, 12V operation, and 4-pin PWM connector, ensuring full compatibility with the original mounting points and control system.. Q: Does this 70mm server cooling fan come with a warranty? A: Yes, this product is backed by a standard warranty. For specific warranty duration and terms, please refer to the seller's product page or contact customer support directly.. Q: Is this 70mm PWM fan a good value compared to other options? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use with its durable dual ball bearing and wide PWM speed range..