LDPCSJ 120mm Case Fan 3 vs LDPCSJ 120mm Case Fan 6: Spec Comparison
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
When comparing the ldpcsj 120mm case fan 3 vs 120mm case fan 6, you are looking at two distinct options from the same brand. Both models use 4-pin PWM connectors for speed control and offer quiet operation under 34 dBA. The main difference lies in their physical design and feature set. One is a slim profile unit optimized for tight spaces, while the other includes ARGB lighting and higher airflow. Your choice depends on your case size and visual preferences.
Key differences
| Aspect | LDPCSJ 120mm Slim 15mm Fan 3-Pack | LDPCSJ 120mm ARGB PWM Fan 6-Pack |
|---|---|---|
| Fan Thickness | 15mm (Slim) | 25mm (Standard) |
| Max Airflow | 68 CFM | 74.5 CFM |
| Max Speed | 2400 RPM | 1800 RPM |
| Lighting | Not listed | ARGB |
| Static Pressure | 2.2 mm H2O | 2.18 mm H2O |
Which one should you choose?
Choose LDPCSJ 120mm Slim 15mm Fan 3-Pack if
- You need fans for a compact case with limited depth.
- You prioritize maximum rotational speed for CPU cooling.
- You prefer a non-illuminated, minimalist setup.
Choose LDPCSJ 120mm ARGB PWM Fan 6-Pack if
- You want higher static air volume for general airflow.
- You desire customizable ARGB lighting effects.
- You are building a standard-sized tower case.
Verdict: The slim 15mm fan suits builders with space constraints or those needing high RPM for dense heatsinks. The standard 25mm ARGB fan is better for general airflow and visual customization in standard cases. Neither is universally superior; pick based on your case dimensions and lighting needs.
Slim vs ARGB Fan Specs
Fan thickness
The LDPCSJ 120mm Slim 15mm Fan 3-Pack stands at just 0.59 inches tall. This slim profile makes it ideal for tight spaces, such as behind thin CPU coolers or in compact chassis where standard fans will not fit. In contrast, the LDPCSJ 120mm ARGB PWM Fan 6-Pack measures 0.98 inches in height. While still standard for many builds, it requires more depth. If your case has limited clearance, the thinner model offers a clear advantage for installation without modification.
Airflow performance
Airflow determines how much air moves through your case. The LDPCSJ 120mm ARGB PWM Fan 6-Pack delivers a maximum of 74.5 CFM. This higher volume helps exhaust hot air more quickly. The LDPCSJ 120mm Slim 15mm Fan 3-Pack provides 68 CFM at its peak. While still effective for general cooling, it moves less air than the ARGB option. If you prioritize maximum airflow for intensive workloads, the ARGB pack is the stronger choice for moving air.
Speed range
Fan speed affects both cooling power and noise. The LDPCSJ 120mm Slim 15mm Fan 3-Pack operates between 800 and 2400 RPM. This wider range allows for higher maximum speeds when you need extra cooling. The LDPCSJ 120mm ARGB PWM Fan 6-Pack runs from 800 to 1800 RPM. It stays slower at its peak, which may keep it quieter under load but offers less top-end cooling speed. If you need higher RPMs for burst cooling, the slim fan wins.
Static pressure
Static pressure pushes air through dense objects like radiator fins or dust filters. The LDPCSJ 120mm Slim 15mm Fan 3-Pack generates up to 2.2 mm H2O of static pressure. The LDPCSJ 120mm ARGB PWM Fan 6-Pack produces 2.18 mm H2O. These values are nearly identical, with the slim fan holding a tiny margin. For pushing air through tight restrictions, both perform similarly, making this a tie in practical application for most users.
Lighting features
Visual customization matters for many builders. The LDPCSJ 120mm ARGB PWM Fan 6-Pack includes ARGB lighting on its blades. This allows for synchronized color effects with compatible motherboards. The LDPCSJ 120mm Slim 15mm Fan 3-Pack does not list any lighting features in its specifications. It focuses purely on cooling performance without aesthetic extras. If you want visible LED effects to match your build, the ARGB pack is the only option with this capability.
Which LDPCSJ 120mm Fan Should You Buy
User with tight CPU cooler clearance
This 3-pack features a slim 15mm height. You can install it behind low-profile air coolers or in compact chassis where standard 25mm fans do not fit. The 4-pin PWM control allows speed adjustment up to 2400 RPM for targeted cooling without exceeding 34 dBA noise levels.
User wanting high airflow volume
This 6-pack delivers 74.5 CFM of maximum air volume. You get more cooling capacity per dollar compared to the slim model. The 4-pin PWM connector manages speeds between 800 and 1800 RPM. You also receive ARGB lighting for visual customization in your build.
User needing maximum fan quantity
You receive six fans in this package instead of three. This allows you to fill multiple intake or exhaust slots in a larger case. The 4-pin PWM interface ensures each fan integrates smoothly with your motherboard. You benefit from higher airflow and included addressable RGB lighting.
The products compared
LDPCSJ 120mm Slim 15mm Fan 3-Pack
Best for: Tight CPU cooler clearance
- Fan Size
- 120mm
- Max Fan Speed
- 2400RPM
- Max Airflow
- 68CFM
- Static Pressure
- 2.2mm H2O
- Noise Level
- ≤34dBA
- Connector Type
- 4-pin PWM
View on Amazon: LDPCSJ 120mm Slim 15mm Fan 3-Pack Affiliate link
This LDPCSJ 3-pack of 120mm fans measures just 15mm thick, fitting into tight spaces where standard 25mm fans will not. You get PWM control via a 4-pin connector for speeds up to 2400 RPM. The maximum airflow is 68 CFM with a static pressure of 2.2 mm H2O. Noise stays at or below 34 dBA. It is designed for CPU coolers and small chassis with limited depth.
Pros
- Ultra-slim 15mm height fits tight spaces
- 4-pin PWM control for 800-2400 RPM range
- Maximum airflow of 68 CFM
- Includes vibration-damping corner pads
Cons
- Lower static pressure than bulkier fans
- No ARGB lighting included in this pack
- Maximum speed capped at 2400 RPM
Good fit if
- You need fans for a small form factor case
- You are upgrading a CPU cooler with limited depth
- You want PWM speed control without RGB
Skip if
- You require high static pressure for dense radiators
- You want addressable RGB lighting effects
- You need fans taller than 15mm
Verdict: LDPCSJ 120mm 15mm Slim Case Fan 3-Pack offers essential cooling for tight builds. It suits users who prioritize low profile and PWM control over high static pressure or lighting.
LDPCSJ 120mm ARGB PWM Fan 6-Pack
Best for: Standard cases needing six ARGB fans
- Fan Size
- 120mm
- Max Fan Speed
- 1800 RPM
- Max Airflow
- 74.5CFM
- Static Pressure
- 2.18mm H2O
- Noise Level
- <34dBA
- Connector Type
- 4-Pin PWM
View on Amazon: LDPCSJ 120mm ARGB PWM Fan 6-Pack Affiliate link
This LDPCSJ 6-pack of 120mm case fans offers PWM control and ARGB lighting. It delivers up to 74.5 CFM of airflow and 2.18 mmH2O of static pressure. The fans operate between 800 and 1800 RPM with noise below 34 dBA. You get a balanced mix of cooling power and aesthetic lighting for your build. It suits users who want a larger quantity of fans with synchronized lighting effects.
Pros
- High airflow of 74.5 CFM
- ARGB lighting for aesthetic builds
- PWM speed control up to 1800 RPM
- Quiet operation under 34 dBA
Cons
- Lower static pressure than slim fans
- Standard 25mm thickness limits fit
- Requires ARGB header for lighting
Good fit if
- You need six fans for a full build
- You want synchronized ARGB lighting
- You prioritize airflow over static pressure
Skip if
- You require high static pressure for radiators
- You need slim 15mm fans for tight cases
- You only need a small number of fans
Verdict: LDPCSJ 120mm ARGB Fan 6 Pack provides ample airflow and lighting for standard mid-tower cases. It is ideal for builders who need multiple fans with a cohesive visual theme.
Specifications side by side
| Spec | LDPCSJ 120mm Slim 15mm Fan 3-Pack | LDPCSJ 120mm ARGB PWM Fan 6-Pack |
|---|---|---|
| Fan Size | 120mm | 120mm |
| Max Fan Speed | 2400RPM | 1800 RPM |
| Max Airflow | 68CFM | 74.5CFM |
| Static Pressure | 2.2mm H2O | 2.18mm H2O |
| Noise Level | ≤34dBA | <34dBA |
| Connector Type | 4-pin PWM | 4-Pin PWM |
| Lighting Type | not stated | ARGB |
| Lighting | not stated | ARGB |
| Compatible Device | CPU Cooler | CPU Cooler |
| Dimensions | 4.72 × 4.72 × 0.59 inches | 4.72 × 4.72 × 0.98 inches |
Frequently asked questions
Can the LDPCSJ 120mm Slim 15mm Fan 3-Pack fit behind my CPU cooler?
Yes, it is designed for tight clearance. Its height is only 0.59 inches. This slim profile allows installation behind low-profile air coolers. You can also use it in compact chassis where standard fans are too thick. The 4-pin connector ensures PWM speed control for efficient cooling in confined spaces.
Does the LDPCSJ 120mm ARGB Fan 6-Pack include lighting?
Yes, this 6-pack features ARGB lighting. It provides a cohesive visual theme for your build. The fans are 0.98 inches tall, fitting standard case mounts. You get six fans for ample airflow and lighting in mid-tower cases. The 4-pin connector manages speed, while the ARGB feature adds visual appeal.
What is the height difference between the LDPCSJ 120mm Slim and ARGB fans?
The slim version is 0.59 inches tall, while the ARGB version is 0.98 inches tall. This difference matters for clearance. The slim fan suits tight CPU cooler spaces. The ARGB fan fits standard slots. Both share the same 120mm width and length of 4.72 inches for consistent mounting.
Do both LDPCSJ 120mm fans use PWM connectors?
Yes, both models use 4-pin PWM connectors. This allows your motherboard to control fan speed automatically. You get quiet operation under 34 dBA for both. The PWM control helps balance cooling performance and noise levels. This standard connector ensures compatibility with most modern PC cases and motherboards.
Which LDPCSJ fan is better for a standard mid-tower case?
The LDPCSJ 120mm ARGB Fan 6-Pack is better for standard mid-towers. It offers ample airflow and lighting. You get six fans for a complete setup. The 0.98-inch height fits standard mounts easily. It is ideal for builders who need multiple fans with a cohesive visual theme and standard cooling performance.
Can I use the LDPCSJ 120mm Slim Fan 3-Pack for case ventilation?
Yes, you can use it for case ventilation in tight builds. Its slim 15mm height allows placement in restricted areas. It suits users who prioritize low profile and PWM control. While it offers essential cooling, it focuses on fitting tight spaces rather than high static pressure or lighting effects.
Are the LDPCSJ 120mm fans compatible with CPU coolers?
Yes, both are compatible with CPU coolers. The slim version is specifically best for tight CPU cooler clearance. Its 0.59-inch height avoids interference with low-profile coolers. The ARGB version also fits standard cooler mounts. Both use 4-pin PWM connectors for precise speed control during CPU cooling tasks.