JONSBO ZA-420B PWM ARGB 420mm Casing Fan (Black)
Key Features
- JONSBO ZA-420B
- 420mm Wide Airflow
- PWM Speed Control
- ARGB 5V Lighting
- Low Noise Output
- High Static Pressure
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Technical Specifications
General Information
Physical Dimensions
Performance
Power & Electrical
Connectivity
Durability
Product Description
JONSBO ZA-420B PWM ARGB 420mm Casing Fan (Black): Still fighting heat, noise, and unstable airflow?
High system temperatures ruin performance and shorten component life.
The JONSBO ZA-420B PWM ARGB 420mm Casing Fan (Black) targets airflow imbalance, noisy cooling, and weak static pressure.
This fan fits large cases that demand controlled airflow and clean ARGB lighting.
Designed for PC Components users seeking stable thermals.
Sold under the Casing Fan category at PCB Store in Bangladesh.
JONSBO ZA-420B PWM ARGB 420mm Casing Fan Overview and Real-World Performance
This 420mm casing fan focuses on airflow consistency across large surfaces.
Its extended frame moves air evenly, reducing hot pockets inside wide chassis.
Speed ranges from 700 to 1800 RPM, controlled through PWM.
Low RPM suits idle loads.
High RPM handles gaming or workstation stress.
Airflow reaches 33.70 to 73.82 CFM.
That range supports intake or exhaust roles without airflow starvation.
Noise stays controlled between 18.3 and 32.2 dB(A).
The fan avoids sharp tonal spikes common in high-RPM units.
Static pressure scales from 0.47 to 1.94 mmH₂O.
This matters for restrictive panels and dense filters.
Technical Specifications of JONSBO ZA-420B PWM ARGB 420mm Casing Fan
Precision matters for compatibility and planning.
These specifications guide accurate case matching.
- Model: ZA-420B
- Dimensions: 422mm × 143mm × 28mm
- Fan Speed: 700–1800 RPM (±10%)
- Airflow: 33.70–73.82 CFM
- Noise Level: 18.3–32.2 dB(A) max
- Static Pressure: 0.47–1.94 mmH₂O
- Fan Voltage: DC 12V
- LED Voltage: 5V
- Fan Current: 0.37A max
- LED Current: 2.11A max
- Fan Power Draw: 4.44W max
- LED Power Draw: 10.55W max
- Connector: PWM 4-Pin, ARGB 3-Pin
- MTTF: ≥20,000 hours at 25°C
Key Features of JONSBO ZA-420B PWM ARGB 420mm Casing Fan
PWM Speed Control for Thermal Accuracy
PWM regulation adjusts fan speed based on system demand.
Lower speeds reduce noise during light workloads.
Higher speeds react quickly to rising internal heat.
This balance helps avoid constant full-speed operation.
Large 420mm Frame for Wide Air Coverage
The extended blade sweep moves air across a larger surface area.
This suits full-tower cases and wide radiator zones.
Air distribution stays even, not concentrated.
ARGB Lighting with 5V Addressable Control
The fan uses a standard 3-pin 5V ARGB connector.
Lighting syncs with compatible motherboards and controllers.
Color transitions remain smooth without flicker.
Controlled Acoustics Under Load
Noise output stays below 32.2 dB(A) at maximum speed.
This matters for open setups and desk-level cases.
The sound profile stays steady, not distracting.
Power Efficiency and Electrical Behavior
The fan motor draws 4.44W at peak operation.
This load stays reasonable for modern power supplies.
ARGB lighting draws up to 10.55W.
Plan headers or hubs accordingly.
Separate fan and LED power lines reduce signal interference.
This design supports stable lighting and speed control.
Use Cases for JONSBO ZA-420B PWM ARGB 420mm Casing Fan
This casing fan fits systems that need broad airflow coverage.
Ideal scenarios include:
- Full-tower gaming builds with multiple heat zones
- Workstations using high-core CPUs
- Cases with wide front or side fan mounts
- Systems running restrictive dust filters
- ARGB-focused builds needing synchronized lighting
Builders in Bangladesh often choose this fan for large chassis layouts.
Compatibility and Installation Considerations
The 422mm length requires proper case clearance.
Check mounting support before purchase.
PWM 4-pin connectors work with standard motherboard headers.
ARGB 3-pin connectors require 5V headers only.
Avoid connecting ARGB cables to 12V RGB headers.
Incorrect voltage risks permanent LED damage.
Fan thickness remains 28mm, fitting most modern cases.
Reliability, Lifespan, and Long-Term Use
The rated MTTF exceeds 20,000 hours at room temperature.
This suits long daily operation without frequent replacement.
Stable bearings reduce speed fluctuation over time.
Consistent airflow helps maintain predictable thermals.
For builders seeking dependable cooling in Bangladesh, this matters.
Why Buy JONSBO ZA-420B PWM ARGB 420mm Casing Fan from PCB Store
PCB Store stocks authentic PC Components for local builders.
Availability within Bangladesh cuts long wait times.
This Casing Fan suits large builds needing airflow stability.
Limited stock often applies due to niche sizing.
Upgrade airflow control and lighting in one step.
Choose the JONSBO ZA-420B while stock remains available at PCB Store.
Delivery Charge Info
Inside Dhaka: ৳100
Outside Dhaka: ৳150
FAQs
Is the JONSBO ZA-420B compatible with all PC cases?
No. The 422mm length requires large cases with 420mm fan support. Check case specifications carefully before buying to avoid fitment issues.
How loud is the JONSBO ZA-420B at full speed?
At maximum 1800 RPM, noise reaches 32.2 dB(A). The sound stays smooth and avoids harsh spikes, making it suitable for desk-side systems.
Does this fan support motherboard ARGB synchronization?
Yes. The 3-pin 5V ARGB connector works with compatible motherboard headers and controllers that support addressable RGB standards.
What type of power connector does the fan use?
The fan uses a PWM 4-pin connector for speed control and a separate 3-pin 5V ARGB connector for lighting.
Is the power draw safe for standard power supplies?
Yes. The fan motor draws up to 4.44W, and lighting draws up to 10.55W. Most modern systems handle this without issues.
Can the JONSBO ZA-420B handle restrictive dust filters?
Yes. With static pressure up to 1.94 mmH₂O, it performs well against airflow resistance from filters or dense panels.
How does JONSBO ZA-420B compare to smaller 360mm casing fans?
The 420mm size moves air across a wider area. It suits large cases better, while 360mm fans fit more compact builds.
Is the JONSBO ZA-420B suitable for radiator use?
Its static pressure range supports radiator airflow, but confirm radiator and case mounting compatibility before installation.
What is the price of JONSBO ZA-420B at PCB Store in Bangladesh?
Pricing varies based on stock and promotions. Check PCB Store Bangladesh for current availability and local pricing details.
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