JONSBO ZA-420BR PWM ARGB 420mm Reverse Blade Casing Fan (Black)
Key Features
- JONSBO ZA-420BR
- 420mm reverse blade
- PWM speed control
- ARGB 5V lighting
- Low-noise operation
- Wide airflow coverage
Share:
Technical Specifications
General Information
Physical Dimensions
Performance
Electrical Characteristics
Connectivity
Reliability
Product Description
Is airflow holding back your build? JONSBO ZA-420BR PWM ARGB 420mm Reverse Blade Casing Fan (Black)
Poor airflow causes heat spikes, noise creep, and unstable performance.
The JONSBO ZA-420BR PWM ARGB 420mm Reverse Blade Casing Fan (Black) targets that pain directly.
It blends controlled airflow, wide coverage, and addressable lighting in one frame.
This page breaks down what matters for real builds.
No filler. No guesses. Only verified product information from PCB Store in Bangladesh.
JONSBO ZA-420BR 420mm Reverse Blade Casing Fan Overview
This fan sits in the PC Components category under Casing Fan.
It is built for large cases and radiator layouts needing broad airflow coverage.
The 420mm length spans triple-fan zones without gaps.
Reverse blade geometry suits intake-heavy layouts and glass-front cases.
PWM control keeps speed responsive to load.
ARGB lighting runs on standard 5V headers for synced visuals.
Physical Design and Dimensions of JONSBO ZA-420BR
Large fans fail if tolerances slip.
This model keeps a slim 28mm thickness for clearance.
Form factor details:
- Length: 422mm
- Width: 143mm
- Height: 28mm
That size works for full towers supporting 420mm mounts.
Slim depth helps avoid RAM, shroud, or radiator conflicts.
The black frame fits minimal or RGB-forward builds.
Reverse blade layout keeps lighting visible on intake setups.
Airflow and Static Pressure Performance
Airflow defines cooling potential.
Static pressure defines how well it pushes through resistance.
The JONSBO ZA-420BR balances both.
Measured airflow range:
- 34.8 CFM at low speed
- 64.49 CFM at peak speed
Static pressure range:
- 0.45 to 1.33 mmH₂O
This profile suits case ventilation and radiator assistance.
It handles mesh panels, dust filters, and dense radiators without choking.
PWM Speed Control and Acoustic Behavior
Noise ruins long sessions.
Speed stability matters more than raw RPM.
This fan runs from 700 to 1500 RPM (±10%).
PWM control adapts instantly to thermal changes.
Noise level range:
- 18.3 dB(A) at low speed
- 30.6 dB(A) at maximum
At idle, the fan stays quiet.
Under load, airflow rises without harsh tonal spikes.
Power Draw and Electrical Characteristics
Power efficiency protects headers and controllers.
This model stays within safe limits.
Electrical input details:
- Fan voltage: DC 12V
- LED voltage: 5V
Current draw:
- Fan: 0.28A max
- LED: 2.11A max
Power consumption:
- Fan: 3.36W max
- LED: 10.55W max
Use a proper ARGB hub for multi-fan setups.
Direct motherboard connection suits single or paired units.
ARGB Lighting and Connector Support
Lighting should sync cleanly.
This fan supports standard 5V ARGB systems.
Connector types:
- Fan: PWM 4-pin
- Lighting: ARGB 3-pin
It works with common motherboard RGB software.
Reverse blade orientation keeps LEDs facing outward on intake mounts.
Lighting stays separate from motor power.
That reduces signal interference and flicker.
Reliability and Rated Lifespan
Fans run nonstop.
Longevity matters more than flash.
The JONSBO ZA-420BR lists an MTTF of 20,000+ hours at 25°C.
That suits daily systems and long gaming sessions.
Stable bearings reduce vibration over time.
Consistent RPM behavior protects airflow balance.
Compatibility and Ideal Use Cases
This casing fan suits specific builds.
Choose it for scale and airflow control.
Recommended scenarios:
- Full-tower cases with 420mm fan support
- High-airflow intake layouts
- Radiator-assisted cooling zones
- ARGB-focused builds needing visible lighting
Check case support before purchase.
Not all mid-towers accept 420mm mounts.
Why Builders Choose JONSBO ZA-420BR at PCB Store
PCB Store stocks genuine PC Components in Bangladesh.
Local availability means faster delivery and support clarity.
This casing fan fits builders chasing airflow stability.
It also fits creators wanting uniform lighting across wide mounts.
Stock rotates fast on niche 420mm hardware.
Availability changes without long notice.
Where to Buy JONSBO ZA-420BR PWM ARGB 420mm Fan in Bangladesh
You can order this model directly from PCB Store.
It is listed under the Casing Fan sub-category.
Local sourcing avoids long import delays.
It also simplifies warranty handling and replacement.
If your case supports 420mm fans, act early.
Large-format fans rarely stay in stock for long.
Delivery Charge Info
Inside Dhaka: ৳100
Outside Dhaka: ৳150
FAQs
Does the JONSBO ZA-420BR fit mid-tower cases?
Most mid-tower cases do not support 420mm fans. This model needs full-tower or extended front mounts. Always check official case specifications before purchase to avoid fitment issues.
Is this fan suitable for radiator use?
Yes. The static pressure range supports airflow through radiators and dense filters. Performance depends on radiator thickness and airflow direction.
How loud is the JONSBO ZA-420BR at full speed?
At peak 1500 RPM, noise reaches up to 30.6 dB(A). Under PWM control, it usually runs quieter during normal workloads.
Does the ARGB lighting work with all motherboards?
It supports standard 5V 3-pin ARGB headers. Compatibility depends on motherboard RGB software support. Avoid connecting to 12V RGB headers.
What power supply considerations should I keep in mind?
The fan and LED draw separate power. Use a reliable ARGB hub for multiple units to avoid header overload.
How long can this fan run daily without issues?
With a rated MTTF of over 20,000 hours at 25°C, it suits continuous daily operation under proper cooling conditions.
JONSBO ZA-420BR vs standard 140mm triple-fan setups?
This single 420mm unit offers unified airflow and lighting. Triple 140mm setups offer modular control. Choice depends on case support and cable preference.
Is this fan good for intake or exhaust?
Reverse blade design favors intake use. It keeps lighting visible while pulling air inward through front or side panels.
What is the price and availability at PCB Store in Bangladesh?
Pricing varies with stock cycles at PCB Store. Availability changes quickly due to limited supply of 420mm casing fans in Bangladesh.
Popular Products
