Investigation Report
Generated on Jan 31, 2026
ShopNSI eBay Seller & ARRIS Surfboard W6U Listing (https://www.ebay.com/itm/306571729072)
https://www.ebay.com/itm/306571729072Why we think so?
ShopNSI appears to be a high-volume, long-standing eBay seller, offering the ARRIS Surfboard Wi-Fi 6E Network Upgrade Adapter W6U for $39.99 with free shipping and a 30-day return policy. The seller's feedback score is an impressive 99.5%, and they have sold over 67,000 units of this specific item. This listing is significantly discounted compared to major retailers (where the same product is typically $117–$179), which is unusual but not necessarily a red flag on its own for bulk liquidators or overstock sellers. However, such large price gaps warrant extra scrutiny—and buyers should be alert for authenticity and fulfillment patterns. No reliable direct evidence of counterfeit items or review fraud involving ShopNSI surfaced in public channels. Still, eBay's automated positive feedback system makes it harder to distinguish verified positive experiences from automated ratings. Payment processing through standard channels (PayPal, credit cards, etc.) and a clear return policy offer buyers some safety net. 🛡️ In summary: ShopNSI's commercial profile and listing history suggest they are a legitimate business, but buyers should remain attentive due to the very low price and eBay's general limitations on feedback reliability.
Risk Insights
Exceptionally High Sales Volume
- Over 67,000 sales of this item alone.
- Seller has a 99.5% positive feedback score.
- Suggests sustained customer trust.
Unusually Low Price
- Listing is $39.99, while known retail is $117–$179.
- May reflect bulk liquidation or overstock.
- Buyers should double-check authenticity on arrival.
Buyer Protections
- Payments go through eBay’s secure system.
- 30-day returns accepted.
- Strong recourse via eBay Money Back Guarantee.
Category Scores
Red Flags & Warnings
- Price is $39.99, far below market prices of ~$117–$179, which often signals overstock but can also suggest risk of counterfeits or grey market goods.
Detailed Checks & Insights
0-100 Scale
Seller profile authenticity
Score: 95
Seller profile authenticity
"Business details and logo are consistent with a legitimate established merchant."
Reason: ShopNSI operates a high-volume eBay storefront with verified seller identity, consistent profile branding, and over 98 live listings.
Reputation and sales record
Score: 92
Reputation and sales record
"Recent activity and feedback ratios are what you’d expect from a top-tier power seller."
Reason: Feedback is 99.5% positive with tens of thousands of item sales, suggesting long-term reliable fulfillment.
Listing price realism
Score: 60
Listing price realism
"Some bulk sellers offload returns or liquidated goods at substantial discounts on eBay, but buyers should verify authenticity upon receipt."
Reason: The product is priced dramatically lower than market value (by $80–$130), which is atypical and could signal overstock but may also raise questions about sourcing.
Counterfeit or scam complaints
Score: 90
Counterfeit or scam complaints
"Lack of negative press doesn’t guarantee authenticity, but the absence of public scam reports is a green light."
Reason: No credible complaints directly reference ShopNSI for scams or counterfeits in forums, scam trackers, or the product’s own reviews.
Fulfillment and buyer protection
Score: 94
Fulfillment and buyer protection
"Clear, standard protections expected from reputable eBay sellers are all present."
Reason: The seller provides a 30-day return window and processes payments through eBay’s trusted platform, allowing for recourse if items are misrepresented.
Your Next Steps
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1
Use eBay's messaging system to request clarification about warranty or authenticity if concerned.
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2
Verify your product's serial number through the official ARRIS website after purchase.
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3
Pay with a protected payment method (PayPal, credit card).
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4
Retain all purchase communications in case an eBay Money Back Guarantee claim is needed.
Key Evidence & Citations
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eBay Listing for ARRIS Surfboard Wi-Fi 6E Network Upgrade Adapter W6U
⤷ Primary listing: pricing, stock history, feedback score, shipping and return policies
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ShopNSI Store Profile (eBay)
⤷ Seller inventory overview and verified business identity
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ARRIS Surfboard W6U Price Comparison & Counterfeit Risk Research
⤷ MSRP and market value data for product price comparison
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eBay’s Automated Feedback System Explained
⤷ Shows that much eBay seller feedback is auto-generated, not always direct from buyers
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