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PNY CS1311 240GB 2.5” SATA III Internal Solid State Drive (SSD) - (SSD7CS1311-240-RB)
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From PNY
This report was last updated 7/18/2019.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: While Amazon.com claims 1,552 Ratings, we counted 1,553 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".
Note: We only analyze "reviews" and ignore one-tap "ratings".
Report Card
Warn Overall Grade
FAIL
Deleted Reviews

FAIL
Rating Trend

FAIL
Unverified Purchases

FAIL
Suspicious Reviewers

FAIL
Overlapping Review History

PASS
Word Count Comparison

PASS
Phrase Repetition

PASS
Reviewer Participation

PASS
Reviewer Ease

PASS
Brand Repeats

PASS
Incentivized Reviews

Most Trusted Reviews
I have a little trouble with the provided software, make ... [Go to full review]
Feb 28, 2019
100%
TRUST
TRUST
-
Verified Purchaser
-
Take-Back Reviewer (1 deleted Review; avg. rating: 5.0)
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Brand Repeater (2 of 10 reviews for this brand; avg rating: 4.5)
-
Easy Grader (avg. rating: 4.7)
Least Trusted Reviews
So I bought this SSD in the hopes of using ... [Go to full review]
Jun 15, 2016
0%
TRUST
TRUST
-
Unverified Purchaser
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Created on a high volume day
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Take-Back Reviewer (6 deleted Reviews; avg. rating: 5.0)
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Overlapping Review History: reviewed 1 of 9 top products
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Easy Grader (avg. rating: 4.8)
Analysis Details
Fail
Deleted Reviews

We discovered a total of 82 deleted Reviews for this product, with an average rating of 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.
Fail
Rating Trend

-
- 17%
- Created over 31 days
We counted 1,553 reviews for this product over the span of 1,248 days, an average of 1.2 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 6 or fewer reviews on any given day.
However, we see the following 31 days exceeding this threshold:In total, we found that 259 reviews were created on just 31 days. The reviews on these high volume days have rated this product an average of 4.8 while reviews from other days have rated this product an average of 4.6. 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.
Fail
Unverified Purchases

81 of the 1,553 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 3.9 while the verified purchasers have rated this product an average of 4.6. 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

Take-Back Reviewers
699 of the 1,553 reviewers have had at least one of their past reviews for another product deleted. The Take-Back Reviewers have rated this product an average of 4.7 while the reviewers who don't have any deleted reviews in their history 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.
Fail
Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:
4% also reviewed:
WD Blue PC Hard Drive - 5400 RPM Class, SATA 6... by Western Digital
3% also reviewed:
Cooler Master GeminII M4 - CPU Cooler with 4... by Cooler Master
3% also reviewed:
Crucial 4GB Single DDR3/DDR3L 1600 MT/s... by Crucial
2% also reviewed:
EVGA 700 B1 80+ Bronze, 700W Power Supply... by EVGA
2% also reviewed:
EVGA Supernova 220-G2-0550-Y1 Fully Modular Power... by EVGA
2% also reviewed:
Crucial Ballistix Sport 8GB (1 X 8GB) DDR3... by Crucial
2% also reviewed:
TP-Link AC2600 Smart WiFi Router (Archer A10) -... by TP-Link
Does not include products
from the same brand
from the same brand
295 of the 1,553 reviewers have substantial overlapping product review history. These reviewers have rated this product an average of 4.8 while the reviewers who have a more unique product review history rated this product an average of 4.6. 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.
Pass
Word Count Comparison

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- 0%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass
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:
19 reviews
(4.7/5)
(4.7/5)
4 of the 1,553 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Reviewer Participation

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- 0%
- From reviewers with an overrepresented participation
We didn't find any participation groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Reviewer Participation test.
Read more about our Reviewer Participation test.
Pass
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 4.3, while the average ease score for reviewers in this category is 4.3.
4.3 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass
Brand Repeats

Brand Repeaters
102 of the 1,553 reviewers have reviewed other products for this brand. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass
Incentivized Reviews

On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- 0%
- 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.