---
title: "Sk Hynix Tube T31 — $10K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/sk-hynix-tube-t31"
last_updated: "2026-08-11T20:21:39.707Z"
locale: en
meta:
description: "Niche score 34/100 · $10K/yr market · 7K searches/yr · $79.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $10K/yr market · 7K searches/yr · $79.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sk Hynix Tube T31 — $10K/yr Amazon US Niche (2026) - Flapen"
---
# **sk hynix tube t31**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 2Growth 72Conversion 21Competition 13Returns 55Price range 61Avg price 82Brand share 0Review moat 37Quality gap 42
**Avg price**
**Great****$79.74**
avg listing price — sweet spot $15–$100
**Growth**
**Good****+55.3%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****$30.83–$143.83**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,786.9**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$10K**
$10K/yr · 7K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, sk hynix tube t31 is a $10K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 34/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sk hynix tube t31 market data**
- **Units sold / yr**
- **100–250**
- avg 0–100/product
- **Revenue / yr**
- **$8K–$20K**
- units × avg price
- **Conversion rate**
- **1.7%**
- **Avg BSR**
- **#139**
- **Page quality**
- **0%**
- **Prime**
- **70%**
- **Sponsored**
- **70%**
- **Out of stock**
- **49.6%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▲rising
**Sellers**
**10**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**0%**
- SSK72% - SK Hynix18% - MOVE SPEED10% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — +55.3% search growth over the last 90 days.
800600Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/electronics/sk-hynix-tube-t31/trend)
## **Top sk hynix tube t31 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%10%$97820%$2K30%$3K40%$4K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SSK 1TB Dual USB C Flash Drive 2-in-1 Type C+USB A 3.2 Gen2 External Solid State Thumb Drive Speed Up to 550MB/s Memory Stick Data Storage for iPhone 15/16/17/Android Phone/Tablet/MacBook/Windows**SSK**$101.68**4.5★7,316 rev](https://www.amazon.com/dp/B0F9KKZMSJ) [2**SSK 128GB Dual USB C Flash Drive 2-in-1 Type C+ USB A 3.2 Gen2 Solid State Thumb Drive Speed Up to 550MB/s Memory Stick Data Storage for iPhone 15 Thunderbolt 3 Android Phone Tablet Laptop**SSK**$30.83**4.5★7,316 rev](https://www.amazon.com/dp/B0C36C8WCX) [3**SK Hynix Beetle X31 1TB Portable SSD with DRAM up to 1050MB/s USB 3.2 Gen2 External Hard Drive Compatible with PC Mac Laptop PS5 (Champagne Gold)**SK Hynix**$77.75**4.7★1,420 rev](https://www.amazon.com/dp/B0C4KNB2YK) [4**SSK 1TB USB Drive External SSD Fast 550MB/s 2-in-1 Dual-Drive Type C+ A USB3.2 Gen2 Solid State ThumbDrive SSD-Stick for iPhone 15/16/PS4/Android Phone/Tablet/Windows/Mac**SSK**$85.86**4.5★3,120 rev](https://www.amazon.com/dp/B0C9J48X93) [5**MOVE SPEED 512GB USB Drive with Smart Display 1090MB/s USB 3.2 Gen2 and Type C SSD Memory Stick for ProRes 4K Video iPhone 17/16/15 Android Phone Windows Mac Tablet**MOVE SPEED**$103.88**4.5★90 rev](https://www.amazon.com/dp/B0GKG3D17D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MOVE SPEED 512GB USB Drive with Smart Display 1090MB/s USB 3.2 Gen2 and Type C SSD Memory Stick for ProRes 4K Video iPhone 17/16/15 Android Phone Windows Mac Tablet**MOVE SPEED**$103.88**90 rev6mo ago](https://www.amazon.com/dp/B0GKG3D17D) [**MOVE SPEED 128GB USB Drive with Smart Display 1090MB/s USB 3.2 Gen2 and Type C SSD Memory Stick for ProRes 4K Video iPhone 17/16/15 Android Phone Windows Mac Tablet**MOVE SPEED**$45.18**90 rev6mo ago](https://www.amazon.com/dp/B0GKFSRQMW) [**SK hynix 1TB Internal SSD SATA III 2.5-inch Silver S32 Series TLC NAND Flash 560MB/s Read Speed 510MB/s Write Speed**SK Hynix**$143.83**5 rev7mo ago](https://www.amazon.com/dp/B0FY3WWB1W) [**SSK 1TB Dual USB C Flash Drive 2-in-1 Type C+USB A 3.2 Gen2 External Solid State Thumb Drive Speed Up to 550MB/s Memory Stick Data Storage for iPhone 15/16/17/Android Phone/Tablet/MacBook/Windows**SSK**$101.68**7,316 rev1y ago](https://www.amazon.com/dp/B0F9KKZMSJ) [**SSK 1TB USB C Thumb Drive up to 1000MB/s Fast Flash Dual Drive External Portable SSD Drive Type C+USB A 3.2 Gen 2 Flash Drive USB C Memory Stick for iPhone 15/PS4/Android Phone/Tablet/Windows/Mac**SSK**$105.76**1,025 rev1y ago](https://www.amazon.com/dp/B0DCJMK9SN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MOVE SPEED 512GB USB Drive with Smart Display 1090MB/s USB 3.2 Gen2 and Type C SSD Memory Stick for ProRes 4K Video iPhone 17/16/15 Android Phone Windows Mac Tablet**MOVE SPEED**$103.88**4.5★**▲ 229%**](https://www.amazon.com/dp/B0GKG3D17D) [**MOVE SPEED 128GB USB Drive with Smart Display 1090MB/s USB 3.2 Gen2 and Type C SSD Memory Stick for ProRes 4K Video iPhone 17/16/15 Android Phone Windows Mac Tablet**MOVE SPEED**$45.18**4.5★**▲ 204%**](https://www.amazon.com/dp/B0GKFSRQMW) [**SK hynix 1TB Internal SSD SATA III 2.5-inch Silver S32 Series TLC NAND Flash 560MB/s Read Speed 510MB/s Write Speed**SK Hynix**$143.83**4.6★**▲ 202%**](https://www.amazon.com/dp/B0FY3WWB1W) [**SSK 256GB Dual USB C Flash Drive 2-in-1 Type C+ USB A 3.2 Gen2 Solid State Thumb Drive Speed Up to 550MB/s Memory Stick Data Storage for iPhone 15 Android Phone Tablet MacBook Windows**SSK**$42.48**4.5★**▲ 170%**](https://www.amazon.com/dp/B0C36CXVP4) [**SSK 1TB USB C Thumb Drive up to 1000MB/s Fast Flash Dual Drive External Portable SSD Drive Type C+USB A 3.2 Gen 2 Flash Drive USB C Memory Stick for iPhone 15/PS4/Android Phone/Tablet/Windows/Mac**SSK**$105.76**4.3★**▲ 153%**](https://www.amazon.com/dp/B0DCJMK9SN)
**~~View all trending →~~**
## **What buyers say about sk hynix tube t31**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Data Transfer Speed**16%
*“fast data transfer”*
**Quality-Overall**16%
*“Excellent product”*
**Ease Of Use**9%
*“Incredibly convenient”*
**Storage Capacity**6%
*“Large capacity”*
**Advertised Vs Actual Product**5%
*“Works as advertised”*
**Strength**5%
*“Works well and solid build”*
**Design-Overall**5%
*“Excellent product nice design”*
**Socket/Port/Plug**4%
*“the usb is good so far”*
**Value For Money**3%
*“Well worth the price”*
**Portability**3%
*“The carrying case is also a nice addon”*
### **What buyers complain about **
**Durability**14%
*“Doesn't last”*
**Heating**9%
*“After two days it overheated”*
**Compatibility-Overall**9%
*“Not compatible with Pixel 9”*
**Functionality-Overall**9%
*“Failed to work”*
**Data Transfer Speed**8%
*“reads data slower than some drives”*
**Value For Money**7%
*“being cheaper”*
**Connectivity-Overall**4%
*“connectors are too long for many uses”*
**Quality-Overall**4%
*“poor quality / doesnt work”*
**Computation Performance**3%
*“Speed wise, it's not the fastest”*
**Size-Overall**2%
*“The connectors are too long”*
### **Top return reasons **
**Functionality-Overall**20%
**Compatibility-Overall**19%
**Size-Overall**8%
**Value For Money**7%
**Heating**6%
**Data Transfer Speed**6%
**Connectivity-Overall**6%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**4%
**Storage Capacity**4%
## **Common questions**
- **Is sk hynix tube t31 profitable to sell on Amazon United States?**
- The niche generates $10K/yr across 10 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +55.3%. Flapen's verdict: Skip it (34/100).
- **How competitive is the sk hynix tube t31 niche?**
- 3 brands and 10 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in sk hynix tube t31?**
- Top complaints mined from reviews: Durability, Heating, Compatibility-Overall. The return rate is 2.8%.
- **When does demand for sk hynix tube t31 peak?**
- Demand peaks in Aug; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the sk hynix tube t31 niche?**
- Listings span $30.83–$143.83; the average listing price is $79.74 (sweet spot $15–$100). The average incumbent carries 2,787 reviews — the moat a new listing must climb.
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