---
title: "Sn770 2tb — $209K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/sn770-2tb"
last_updated: "2026-08-11T18:06:16.125Z"
locale: en
meta:
  description: "Niche score 41/100 · $209K/yr market · 664K searches/yr · $157.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 41/100 · $209K/yr market · 664K searches/yr · $157.59 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Sn770 2tb — $209K/yr Amazon US Niche (2026) - Flapen"
---

# **sn770 2tb**

**Skip it**

A deep review moat (48,642 avg reviews) — this niche doesn't clear our bar today.

Market size 41Growth 87Conversion 3Competition 51Returns 52Price range 23Avg price 56Brand share 3Review moat 1Quality gap 42

**Growth**

**Great****+90.5%**

90-day search growth — must beat 0% to launch

**Avg price**

**Good****$157.59**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.9%**

return rate — above 5% kills the launch gate

**Competition**

**Good****55%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$209K**

$209K/yr · 664K searches

**Price range**

**Bad****$10.13–$384.88**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Bad****0.2%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Bad****99%**

top-5 brand share — brand-locked demand

**Review moat**

**Bad****48,642.15**

avg incumbent reviews — the moat a new listing must climb

**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, sn770 2tb is a $209K/yr Amazon United States market (664K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Jul. Verdict: Skip it — 41/100.

Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **sn770 2tb market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**10K–13K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.6M–$2.0M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#34**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**69%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**55 months**</dd>

<dt>**Avg seller age**</dt><dd>**174 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**6 **▲rising

**Sellers**

**227**

**Top-5 brand share**

**99%**

Top 20: 100%

**Top-5 click share**

**55%**

Top 20: 94%

**Open market**

**0%**

- WD57% - Western Digital37% - Seagate3% - ienza1% - Sandisk1% - UnionSine1% - Open — no brand owns it (0%)

## **Demand & seasonality**

Weekly Amazon search volume, last 98 weeks — +90.5% search growth over the last 90 days.

80K60KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 5.3×

[**Open Trend **](https://flapen.com/research/us/electronics/sn770-2tb/trend)

## **Top sn770 2tb search terms**

- **western digital**211K/yr+715.1%0.0% conv. - **wd my passport**46K/yr+37.1%2.6% conv. - **my passport external hard drive**37K/yr+2.7%3.2% conv. - **western digital hard drive**48K/yr-41.1%0.3% conv. - **wd hard drive**36K/yr-9.0%0.9% conv. - **wd elements**30K/yr-12.8%0.9% conv. - **wd hdd**28K/yr-18.6%0.2% conv. - **western digital my passport**17K/yr+23.8%2.3% conv. - **wd passport external hard drive**18K/yr-5.1%2.9% conv. - **wd passport**16K/yr+10.1%2.2% conv. [**All search terms **](https://flapen.com/research/us/electronics/sn770-2tb/search-terms)

## **Top sn770 2tb products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$10K10%$21K15%$31K20%$42K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![WD 2TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0020BBK-WESN](https://m.media-amazon.com/images/I/31XSW15lDAL.jpg)**WD 2TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0020BBK-WESN**WD**$94.83**4.6★31,240 rev](https://www.amazon.com/dp/B07VTFN6HM) [2![WD 5TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBPKJ0050BBK-WESN](https://m.media-amazon.com/images/I/31wvuKk07iL.jpg)**WD 5TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBPKJ0050BBK-WESN**WD**$153.23**4.5★24,728 rev](https://www.amazon.com/dp/B07VP5X239) [3![WD 2TB Elements Portable External Hard Drive for Windows USB 3.2 Gen 1/USB 3.0 for PC & Mac Plug and Play Ready - WDBU6Y0020BBK-WESN](https://m.media-amazon.com/images/I/21AQynatz4L.jpg)**WD 2TB Elements Portable External Hard Drive for Windows USB 3.2 Gen 1/USB 3.0 for PC & Mac Plug and Play Ready - WDBU6Y0020BBK-WESN**Western Digital**$86.75**4.7★165,042 rev](https://www.amazon.com/dp/B06W55K9N6) [4![WD 1TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0010BBK-WESN](https://m.media-amazon.com/images/I/31XSW15lDAL.jpg)**WD 1TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0010BBK-WESN**WD**$81.99**4.6★17,360 rev](https://www.amazon.com/dp/B07VTWX8MN) [5![WD 6TB My Passport Portable External Hard Drive Black Backup Software with Defense Against ransomware and Password Protection USB 3.1/USB 3.0 Compatible - WDBR9S0060BBK-WESN](https://m.media-amazon.com/images/I/31pQ5G8X3uL.jpg)**WD 6TB My Passport Portable External Hard Drive Black Backup Software with Defense Against ransomware and Password Protection USB 3.1/USB 3.0 Compatible - WDBR9S0060BBK-WESN**WD**$173.15**4.5★23,230 rev](https://www.amazon.com/dp/B0D1YHC4KW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s CMR 128 MB Cache 3.5 - WD40EFZZ](https://m.media-amazon.com/images/I/318IqEmxcYL.jpg)**Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s CMR 128 MB Cache 3.5 - WD40EFZZ**Western Digital**$137.63**3,641 rev8mo ago](https://www.amazon.com/dp/B0G5YDXKS7) [![Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM SATA 6 GB/s CMR 512 MB Cache 3.5 - WD100EFGX](https://m.media-amazon.com/images/I/31iez7W2SqL.jpg)**Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM SATA 6 GB/s CMR 512 MB Cache 3.5 - WD100EFGX**Western Digital**$253.85**319 rev1y ago](https://www.amazon.com/dp/B0F4R3YCL6) [![Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s 128 MB Cache 3.5 - WD40EZZX](https://m.media-amazon.com/images/I/31AmbCJaBOL.jpg)**Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s 128 MB Cache 3.5 - WD40EZZX**Western Digital**$148.51**57,669 rev1y ago](https://www.amazon.com/dp/B0GJ7CVHR6) [![WD_Black SN7100 2TB NVMe SSD - Gen4 PCIe M.2 2280 Up to 7 250 MB/s Read Speed Up to 6 900 MB/s Write Speed Next Gen TLC 3D NAND for Laptops Handheld Gaming Devices - WDS200T4X0E](https://m.media-amazon.com/images/I/319Pcp+2f3L.jpg)**WD_Black SN7100 2TB NVMe SSD - Gen4 PCIe M.2 2280 Up to 7 250 MB/s Read Speed Up to 6 900 MB/s Write Speed Next Gen TLC 3D NAND for Laptops Handheld Gaming Devices - WDS200T4X0E**Sandisk**$200.84**6,157 rev1y ago](https://www.amazon.com/dp/B0DN6ZQ3PD) [![3FT External Hard Drive Cable Cord to USB C/USBC](https://m.media-amazon.com/images/I/31WsuLcEXtL.jpg)**3FT External Hard Drive Cable Cord to USB C/USBC**ienza**$10.13**1,064 rev1y ago](https://www.amazon.com/dp/B0DGYL7Q8Y)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![WD 2TB My Passport Portable External Hard Drive Blue backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0020BBL-WESN](https://m.media-amazon.com/images/I/41fBB8jwFYS.jpg)**WD 2TB My Passport Portable External Hard Drive Blue backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBYVG0020BBL-WESN**WD**$95.11**4.5★**▲ 300%**](https://www.amazon.com/dp/B07VTGBWYH) [![WD 4TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBPKJ0040BBK-WESN](https://m.media-amazon.com/images/I/31s7w1SNWDL.jpg)**WD 4TB My Passport Portable External Hard Drive Black backup software with defense against ransomware and password protection USB 3.1/USB 3.0 compatible - WDBPKJ0040BBK-WESN**WD**$140.35**4.6★**▲ 259%**](https://www.amazon.com/dp/B07VTW2LPX) [![Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s 128 MB Cache 3.5 - WD40EZZX](https://m.media-amazon.com/images/I/31AmbCJaBOL.jpg)**Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s 128 MB Cache 3.5 - WD40EZZX**Western Digital**$148.51**4.6★**▲ 189%**](https://www.amazon.com/dp/B0GJ7CVHR6) [![Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s CMR 128 MB Cache 3.5 - WD40EFZZ](https://m.media-amazon.com/images/I/318IqEmxcYL.jpg)**Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM SATA 6 Gb/s CMR 128 MB Cache 3.5 - WD40EFZZ**Western Digital**$137.63**4.3★**▲ 149%**](https://www.amazon.com/dp/B0G5YDXKS7) [![Seagate Portable 2TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox -1-Year Rescue Service (STGX2000400)](https://m.media-amazon.com/images/I/21Y2T3kG97L.jpg)**Seagate Portable 2TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox -1-Year Rescue Service (STGX2000400)**Seagate**$89.29**4.6★**▲ 87%**](https://www.amazon.com/dp/B07CRG94G3)

**~~View all trending →~~**

## **What buyers say about sn770 2tb**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**14%

*“Great deal”*

**Quality-Overall**13%

*“Build quality is great”*

**Storage Capacity**11%

*“Good storage”*

**Data Transfer Speed**9%

*“It offers very good transfer speed”*

**Advertised Vs Actual Product**8%

*“As advertised”*

**Ease Of Use**7%

*“Simple to use”*

**Compatibility-Overall**5%

*“Complete compatibility”*

**Assembly/Installation**4%

*“installed without any issues”*

**Durability**4%

*“still work well”*

**Computation Performance**3%

*“Fast”*

### **What buyers complain about **

**Durability**24%

*“Failed in two months”*

**Functionality-Overall**13%

*“It never worked for me”*

**Value For Money**9%

*“OVER EXPENSIVE”*

**Compatibility-Overall**6%

*“this is not compatible”*

**Quality-Overall**5%

*“Garbage product”*

**Data Transfer Speed**5%

*“Extremely slow transfer speed”*

**Connectivity-Overall**4%

*“it's incredibly inconsistent whether I can even access this thing when connected”*

**Storage Capacity**3%

*“takes up little space”*

**Noise Level**3%

*“One annoying part is that it makes a clicking noise about every 4 seconds”*

**Advertised Vs Actual Product**2%

*“Not at all as described”*

### **Top return reasons **

**Compatibility-Overall**33%

**Functionality-Overall**19%

**Connectivity-Overall**9%

**Value For Money**5%

**Defective Material/Parts**4%

**Size-Overall**4%

**Advertised Vs Actual Product**4%

**Storage Capacity**3%

**Socket/Port/Plug**3%

**Noise Level**2%

## **Common questions**

<dl>

<dt>**Is sn770 2tb profitable to sell on Amazon United States?**</dt><dd>The niche generates $209K/yr across 26 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +90.5%. Flapen's verdict: Skip it (41/100).</dd>

<dt>**How competitive is the sn770 2tb niche?**</dt><dd>6 brands and 227 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 99% of demand.</dd>

<dt>**What do buyers complain about in sn770 2tb?**</dt><dd>Top complaints mined from reviews: Durability, Functionality-Overall, Value For Money. The return rate is 2.9%.</dd>

<dt>**When does demand for sn770 2tb peak?**</dt><dd>Demand peaks in Jul; the busiest month runs 5.3× the quietest.</dd>

<dt>**What does it cost to enter the sn770 2tb niche?**</dt><dd>Listings span $10.13–$384.88; the average listing price is $157.59 (sweet spot $15–$100). The average incumbent carries 48,642 reviews — the moat a new listing must climb.</dd>

</dl>

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