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SanDisk Extreme PRO 256GB SDXC Memory Card up to 170MB/s, Class 10, U3, V30
More product info
From SanDisk
This report was last updated 9/7/2023.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
Review Hijacking Alert!
79 reviews are coming from a seemingly different product variation:
79 reviews are coming from a seemingly different product variation:
SanDisk Extreme PRO SDHC UHS II Speicherkarte V90 128 GB 300 MB s 8K 4K und Full HD Videoaufnahmen... (Example Review 
)
)
Learn more about Review Hijacking.
Review Hijacking Alert!
This listing appears to have once been a different product:
This listing appears to have once been a different product:
SanDisk Extreme PRO SDHC UHS II Speicherkarte V90 128 GB 300 MB s 8K 4K und Full HD Videoaufnahmen...
Learn more about Review Hijacking.
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Note: We only analyze "reviews" and ignore one-tap "ratings".
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Top products in Computer & Accessories with authentic reviews:
Report Card
Fail Overall Grade
FAIL 
Deleted Reviews
Deleted ReviewsFAIL Unverified Purchases
Unverified PurchasesFAIL Suspicious Reviewers
Suspicious ReviewersFAIL Word Count Comparison
Word Count ComparisonWARN Rating Trend
Rating TrendWARN Phrase Repetition
Phrase RepetitionPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
User did not leave written text for this review. [Go to full review]
Dec 31, 1969
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 0.5)
Take-Back Reviewer (1 deleted Review; avg. rating: 0.0)
Overlapping Review History: reviewed 4 of 9 top products
Least Trusted Reviews
Alles gut, Speicherkarte eben. [Go to full review]
Sep 1, 2023
0%
TRUST
TRUST
-
Unverified Purchaser -
Created on a high volume day -
Overrepresented word count (4 words) -
Contains repetitive phrases (show)
-
Easy Grader (avg. rating: 5.0)
Brand Repeater (3 of 375 reviews for this brand; avg rating: 5.0)
Analysis Details
Fail Deleted Reviews
Deleted Reviews
We discovered a total of 16 deleted Reviews for this product, with an average rating of 4.5. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.
4.5 average rating of deleted reviews
Fail Unverified Purchases
Unverified Purchases
31 of the 24,801 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.0 while the verified purchasers have rated this product an average of 4.8. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
Approximately 35% of reviewers have only reviewed this product. This is an excessively large percentage of One-Hit Wonders which may indicate unnatural reviews.
Fail Word Count Comparison
Word Count Comparison
-
- ~65%
- Have an overrepresented word count
In the graph above, we can see the distribution of review word counts for this product and the expected distribution for this category. We see the following 2 groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that approximately 65% are within an overrepresented word count group. These reviews have rated this product an average of 4.9, while all other reviews have rated this product an average of 4.5. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Warn Rating Trend
Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Warn Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Reviews:
Show MoreShow Less
~13% of reviews
(5.0/5)
(5.0/5)
~9% of reviews
(3.0/5)
(3.0/5)
~9% of reviews
(5.0/5)
(5.0/5)
~9% of reviews
(5.0/5)
(5.0/5)
Common Phrases in Titles:
~91% of reviews
(5.0/5)
(5.0/5)
~100% of reviews
(4.8/5)
(4.8/5)
Over approximately 90% of reviews use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
~15% also reviewed:
Strictly Briks Stapelbare Premium-Bauplatte - mit... by Strictly Briks
<10% also reviewed:
Julius-K9, IDC Powergeschirr, Größe: S / Mini,... by JULIUS K-9
Less than approximately 10% of reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Reviewer Ease
Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 3.1, while the average ease score for reviewers in this category is 4.1.
3.1 Product's Average Ease Score
4.1 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.