2PCS Brushless Fan for Kobra S1 Ball Bearing Blower Fan DC...
Good for: Buyers willing to read the details before deciding
Watch out for: potential-manipulation
Last analyzed: February 2026
Total Reviews
24
On Amazon
Verified
91%
Good
Amazon Rating
4.4
Original rating
Savinoo Rating
—
Adjusted rating
Our Recommendation
Limited analysis completed - check individual reviews carefully
Analysis Summary
- LIMITED ANALYSIS (11 reviews) With only 11 recent reviews available, we can only detect the most obvious manipulation patterns.
- However, we found concerning patterns that suggest possible review manipulation. Issues Found: 182% are 5-star but 18% are 1-star reviews.
- This polarization is suspicious even with limited reviews. Recommendation: With limited recent reviews, also check older reviews manually and look for products with more reviews if possible.
Customer Reviews from Amazon
Most Helpful Review
"After being directed to other replacement fans these are just the ticket. Rapid replacement and back to printing."
Anonymous
After being directed to other replacement fans these are just the ticket. Rapid replacement and…
After being directed to other replacement fans these are just the ticket. Rapid replacement and back to printing.alastorr
Perfect replacement and upgrade. Printed a dual fan duct and used these they were perfect…
Perfect replacement and upgrade. Printed a dual fan duct and used these they were perfect easy install and good flow. They are quite loud but no big deal for me.As for a 1 to 1 replacement they are perfectjacque redmon
Worked perfect! Now I have a spare as well
randy l roberts
Items arrived as described. Works great
david
Excellent replacement fan for kobra s1. I had 1 die on me bought these to…
Excellent replacement fan for kobra s1. I had 1 die on me bought these to replace the original. Fits perfectly and works well.ian henriksen
I needed this to replace the part cooling fan on my SV08. I did splice…
I needed this to replace the part cooling fan on my SV08. I did splice in the old connector with heat shrink since the SV08 uses a different connector than the Kobra series. Other than that, it worked perfectly. Thank you!What Customers Talk About
Commonly Praised
Review Quality Analysis
Review quality helps identify authentic customer feedback. Longer, detailed reviews (50+ words) typically indicate genuine experiences, while high percentages of short reviews (under 20 words) may suggest incentivized or fake feedback.
Average Words
30
Moderate detail
Long Reviews
0%
⚠ Low detail
Short Reviews
18%
✓ Low brief reviews
Review Length Distribution
Authentic vs Brief Reviews
Average Word Count Gauge
Benchmark: 30 words = moderate, 50+ words = detailed & authentic
30
avg. words per review
Interpretation: Review quality appears within normal range for this product category.
Review Velocity
Review velocity tracks how quickly reviews are posted. Steady, gradual accumulation is natural, while sudden spikes or bursts (20+ reviews in a single day) may indicate incentivized campaigns or coordinated activity.
Average Per Day
0.04
Natural pace
Max in One Day
1
Normal range
Steady Velocity Detected
Reviews posted at a consistent, natural pace over time — typical of organic customer feedback.
Rating Breakdown
This chart shows how customers rated 2PCS Brushless Fan for Kobra S1 Ball Bearing Blower Fan DC.... Products with authentic reviews typically show a bell curve with most ratings in the 3–4 star range. A heavily polarized distribution — many 5★ and 1★ with few middle ratings — can be worth investigating further.
Key Findings
182% are 5-star but 18% are 1-star reviews. This polarization is suspicious even with limited reviews.
Warning Flags
potential-manipulation
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Our analysis is based on 24 reviews.
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How does this compare?
This product scores 50/100 — below average. Review the findings carefully before buying.
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