StarTech.com Adapter USB 3.0 na podwójny HDMI - 1 x 4K 30Hz i 1 x 1080p - zewnętrzna karta wideo i graficzna - adapter wyświetlacza USB typu A na HDMI - obsługuje tylko system Windows - czarny (USB32HD2)
Review Analysis Results
Analysis Summary
Based on a thorough analysis of these five reviews, the overwhelming majority appear to be genuine customer experiences. All reviews are verified purchases (indicated by 'V'), which significantly increases their authenticity likelihood. The overall pattern suggests a product that performs well for its intended purpose, with users expressing satisfaction in varied, personal ways. There is no coordinated manipulation pattern evident across these reviews.
Strong evidence of authenticity is present in multiple reviews. Review #3 provides a detailed personal narrative about frustration with local tech support and a specific technical limitation (laptop not supporting dual monitors via C port), followed by a positive experience with this product. Review #4 offers exceptional detail, including a specific comparison to a previously purchased product (Startech USB32HDEH), a direct Amazon link, and reference to a past review, creating a verifiable user history. Review #1 includes specific technical context (2016 Windows 10 laptop) and uses casual, personal language ('Superblij mee' - Dutch for 'Super happy with it').
The only minor concern is the brevity and generic nature of reviews #2 and #5. Review #2 ('問題なく使用できました' - 'I was able to use it without problems') and review #5 ('Very useful product, totally recommend') lack specific details. However, brief positive reviews are common among satisfied customers, especially when a product works as expected, and alone do not constitute clear evidence of manipulation. There are no repetitive phrases, marketing language, or other hallmarks of coordinated fake reviews.
In summary, this appears to be a set of predominantly genuine reviews for a product that meets user expectations. The detailed, narrative reviews (#3 and #4) strongly anchor the authenticity of the feedback, while the shorter reviews (#2 and #5) are consistent with normal variation in customer review styles. The absence of any clear manipulation patterns across the reviews supports a low fake percentage assessment.
Key patterns identified in the review analysis include: Verified purchases, Specific technical details (laptop year, OS, port types), Personal usage narratives.
Review Statistics
About Review Data Collection
We extract as much review data as Amazon makes available at the time of analysis. The amount may vary due to Amazon's rate limiting, regional restrictions, or other factors. Our analysis is based on the reviews we successfully collected.
Want to analyze more reviews? Install the Null Fake Chrome extension to capture and analyze additional reviews as you browse Amazon.
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Price Analysis
This is a specialized USB-to-dual-HDMI adapter from a trusted brand, typically positioned in the mid-range of the market. Given the high rating (5.0/5 from 9000+ reviews), it likely offers good reliability. Check multiple sellers on Amazon.pl and compare with local electronics retailers like Media Expert or x-kom for the best price.
MSRP Assessment
Market Position
Buying Tips
Understanding This Analysis
What does Grade B mean?
This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.
Adjusted Rating Explained
The adjusted rating (4.80 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (5.00 stars), suggesting positive fake reviews may be inflating the score.
How We Detect Fake Reviews
Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.
Important Limitations
No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.
