---
title: "Uhs-ii Sd Card Reader — $127K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/uhs-ii-sd-card-reader"
last_updated: "2026-08-11T08:13:34.008Z"
locale: en
meta:
  description: "Niche score 49/100 · $127K/yr market · 69K searches/yr · $21.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $127K/yr market · 69K searches/yr · $21.68 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Uhs-ii Sd Card Reader — $127K/yr Amazon US Niche (2026) - Flapen"
---

# **uhs-ii sd card reader**

**Skip it**

Brand-locked demand (top 5 brands take 91% of clicks) — this niche doesn't clear our bar today.

Market size 29Growth 33Conversion 81Competition 49Returns 87Price range 86Avg price 92Brand share 23Review moat 24Quality gap 28

**Avg price**

**Great****$21.68**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$7.31–$77.21**

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

**Conversion**

**Great****8.5%**

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

**Competition**

**Okay****56%**

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

**Growth**

**Okay****+6.2%**

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

**Market size**

**Okay****$127K**

$127K/yr · 69K searches

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****5,874.73**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, uhs-ii sd card reader is a $127K/yr Amazon United States market (69K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 49/100.

Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **uhs-ii sd card reader market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$108K–$130K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**8.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#117**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**85%**</dd>

<dt>**Out of stock**</dt><dd>**4.6%**</dd>

<dt>**Avg brand age**</dt><dd>**40 months**</dd>

<dt>**Avg seller age**</dt><dd>**192 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**10 **▼falling

**Sellers**

**50**

**Top-5 brand share**

**91%**

Top 20: 100%

**Top-5 click share**

**56%**

Top 20: 94%

**Open market**

**6%**

- UGREEN47% - Lexar22% - Acer12% - uni5% - Anker5% - ProGrade Digital4% - Open — no brand owns it (4 brands, 6%)

## **Demand**

Weekly Amazon search volume, last 50 weeks — +6.2% search growth over the last 90 days.

2K1KSpike '25Black Friday '25Spike '26Aug '25Sep '25Nov '25Jan '26Mar '26May '26

[**Open Trend **](https://flapen.com/research/us/electronics/uhs-ii-sd-card-reader/trend)

## **Top uhs-ii sd card reader search terms**

- **ugreen sd card reader**11K/yr+0.8%12.9% conv. - **uhs-ii sd card reader**11K/yr+8.6%6.3% conv. - **fast sd card reader**9K/yr+16.0%5.7% conv. - **lexar sd card reader**8K/yr+21.0%6.8% conv. - **high speed sd card reader**8K/yr+10.5%7.3% conv. - **lexar card reader**5K/yr-2.4%6.8% conv. - **uhs-ii card reader**4K/yr+12.4%4.6% conv. - **ugreen card reader**4K/yr-19.8%8.6% conv. - **thunderbolt sd card reader**4K/yr-6.1%4.1% conv. - **sd 4.0 card reader**3K/yr-2.1%1.4% conv. [**All search terms **](https://flapen.com/research/us/electronics/uhs-ii-sd-card-reader/search-terms)

## **Top uhs-ii sd card reader 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%$6K10%$13K15%$19K20%$25K1001K10K100K 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![UGREEN USB C SD 4.0 Card Reader UHS-II Micro SD Card Reader Memory Card Reader Fast for SD Micro SD SDXC SDHC UHS-II & UHS-I Cards for iPhone 16/15 Pro Max MacBook Laptop Tablet Smartphone Android](https://m.media-amazon.com/images/I/31SLKbmWFcL.jpg)**UGREEN USB C SD 4.0 Card Reader UHS-II Micro SD Card Reader Memory Card Reader Fast for SD Micro SD SDXC SDHC UHS-II & UHS-I Cards for iPhone 16/15 Pro Max MacBook Laptop Tablet Smartphone Android**UGREEN**$19.42**4.6★1,954 rev](https://www.amazon.com/dp/B0BNBXVLZS) [2![UGREEN SD Card Reader USB C USB 3.0 Micro SD Card Reader 2 in 1 Memory Card Reader for MicroSD SDHC SDXC Compatible with PC Computer MacBook Laptop iPad iPhone 17 16 15 Pro/Pro Max](https://m.media-amazon.com/images/I/41QMalgtNiL.jpg)**UGREEN SD Card Reader USB C USB 3.0 Micro SD Card Reader 2 in 1 Memory Card Reader for MicroSD SDHC SDXC Compatible with PC Computer MacBook Laptop iPad iPhone 17 16 15 Pro/Pro Max**UGREEN**$7.31**4.6★22,865 rev](https://www.amazon.com/dp/B07D1J88CF) [3![Lexar Professional USB 3.2 Type-C Dual-Slot Reader Supports SD and microSD UHS-II Cards Up To 312MB/s Read (LRW470U-RNHNU)](https://m.media-amazon.com/images/I/31HCxV3WtXL.jpg)**Lexar Professional USB 3.2 Type-C Dual-Slot Reader Supports SD and microSD UHS-II Cards Up To 312MB/s Read (LRW470U-RNHNU)**Lexar**$23.14**4.6★675 rev](https://www.amazon.com/dp/B09R6JZXRL) [4![acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android](https://m.media-amazon.com/images/I/41ktt5YAseL.jpg)**acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android**Acer**$10.21**4.7★10,287 rev](https://www.amazon.com/dp/B0DQ71G4G4) [5![Lexar Professional Multi-Card 3-in-1 USB 3.1 Reader Supports SD microSD and CF Cards (LRW500URBNA)](https://m.media-amazon.com/images/I/51qKwHEHZ9L.jpg)**Lexar Professional Multi-Card 3-in-1 USB 3.1 Reader Supports SD microSD and CF Cards (LRW500URBNA)**Lexar**$23.57**4.8★849 rev](https://www.amazon.com/dp/B088K39RBN)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![llano UHS-II SD&Micro SD Card Reader Adapter TF 4.0 Memory Card Reader Holder with 6-Slot Cards Storage Plug&Play F17 High-Speed 2-in-1 Smart Card Reader for Mac Windows Android and Linux Silver](https://m.media-amazon.com/images/I/41VD2CGdgfL.jpg)**llano UHS-II SD&Micro SD Card Reader Adapter TF 4.0 Memory Card Reader Holder with 6-Slot Cards Storage Plug&Play F17 High-Speed 2-in-1 Smart Card Reader for Mac Windows Android and Linux Silver**llano**$30.48**286 rev3mo ago](https://www.amazon.com/dp/B0GSQVB3D1) [![Acer SD Card Reader USB C 3 in 1 Memory Card Reader with Dual Slots & USB 3.0 Micro SD Card Adapter for iPhone 17/16/15 Compatible with Camera Android MacBook Neo/Pro/Air Laptop](https://m.media-amazon.com/images/I/41UsPaBhOIL.jpg)**Acer SD Card Reader USB C 3 in 1 Memory Card Reader with Dual Slots & USB 3.0 Micro SD Card Adapter for iPhone 17/16/15 Compatible with Camera Android MacBook Neo/Pro/Air Laptop**Acer**$14.51**1,174 rev1y ago](https://www.amazon.com/dp/B0F1G2HRQ6) [![UGREEN USB C SD Card Reader with SD Card Holder High-Speed Memory Card Reader Adapter with 4 Card Storage Case Holder for Cameras SD/Micro SD Card Compatible with iPhone 16 15 Samsung Galaxy etc](https://m.media-amazon.com/images/I/31A-K4Xee3L.jpg)**UGREEN USB C SD Card Reader with SD Card Holder High-Speed Memory Card Reader Adapter with 4 Card Storage Case Holder for Cameras SD/Micro SD Card Compatible with iPhone 16 15 Samsung Galaxy etc**UGREEN**$13.41**826 rev1y ago](https://www.amazon.com/dp/B0DRNX9MMZ) [![Acer SD Card Reader USB C Dual Slots Type C to Memory Card Reader Aluminum Micro SD Card Camera Adapter for MicroSD SDHC SDXC Compatible with iPhone17/16/15 MacBook Neo/Pro/Air iPad Laptop](https://m.media-amazon.com/images/I/41x+yiXsI3L.jpg)**Acer SD Card Reader USB C Dual Slots Type C to Memory Card Reader Aluminum Micro SD Card Camera Adapter for MicroSD SDHC SDXC Compatible with iPhone17/16/15 MacBook Neo/Pro/Air iPad Laptop**Acer**$12.64**2,110 rev1y ago](https://www.amazon.com/dp/B0F1G1TNDS) [![UGREEN USB C SD 4.0 Card Reader USB Memory Card Reader for SDXC SDHC MicroSD MMC RS-MMC Micro SDXC Micro SDHC UHS-II and UHS-I Support 312 MB/s SD](https://m.media-amazon.com/images/I/31294GuenzL.jpg)**UGREEN USB C SD 4.0 Card Reader USB Memory Card Reader for SDXC SDHC MicroSD MMC RS-MMC Micro SDXC Micro SDHC UHS-II and UHS-I Support 312 MB/s SD**UGREEN**$16.00**586 rev1y ago](https://www.amazon.com/dp/B0DP9QKGY7)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![llano UHS-II SD&Micro SD Card Reader Adapter TF 4.0 Memory Card Reader Holder with 6-Slot Cards Storage Plug&Play F17 High-Speed 2-in-1 Smart Card Reader for Mac Windows Android and Linux Silver](https://m.media-amazon.com/images/I/41VD2CGdgfL.jpg)**llano UHS-II SD&Micro SD Card Reader Adapter TF 4.0 Memory Card Reader Holder with 6-Slot Cards Storage Plug&Play F17 High-Speed 2-in-1 Smart Card Reader for Mac Windows Android and Linux Silver**llano**$30.48**4.6★**▲ 257%**](https://www.amazon.com/dp/B0GSQVB3D1) [![SD UHS-II Dual-Slot Memory Card Reader by ProGrade Digital | USB 3.2 Gen 2 for Professional Filmmakers Photographers & Content Creators](https://m.media-amazon.com/images/I/31ZmtldDP4L.jpg)**SD UHS-II Dual-Slot Memory Card Reader by ProGrade Digital | USB 3.2 Gen 2 for Professional Filmmakers Photographers & Content Creators**ProGrade Digital**$76.63**4.7★**▲ 98%**](https://www.amazon.com/dp/B07M68C7V5) [![acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android](https://m.media-amazon.com/images/I/41ktt5YAseL.jpg)**acer SD Card Reader USB C Dual Slots USB 3.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD SDHC SDXC Compatible with Laptop PC iPhone16/15 MacBook Pro/Air iPad Pro Android**Acer**$10.21**4.7★**▲ 49%**](https://www.amazon.com/dp/B0DQ71G4G4) [![uni SD Card Reader High-Speed USB 3.0 to Micro SD Card Adapter Aluminum Computer Memory Card Reader Dual Slots for SD/SDXC/SDHC/MMC/Micro SDXC/TF/Micro SDHC | Laptop PC and More](https://m.media-amazon.com/images/I/31Eqfw7k2rL.jpg)**uni SD Card Reader High-Speed USB 3.0 to Micro SD Card Adapter Aluminum Computer Memory Card Reader Dual Slots for SD/SDXC/SDHC/MMC/Micro SDXC/TF/Micro SDHC | Laptop PC and More**uni**$11.17**4.6★**▲ 40%**](https://www.amazon.com/dp/B08P1T8R46) [![CFexpress Type B and SD UHS-II Dual-Slot Memory Card Reader by ProGrade Digital | USB 3.2 Gen 2 for Professional Filmmakers Photographers & Content Creators](https://m.media-amazon.com/images/I/31aIlj8oqOL.jpg)**CFexpress Type B and SD UHS-II Dual-Slot Memory Card Reader by ProGrade Digital | USB 3.2 Gen 2 for Professional Filmmakers Photographers & Content Creators**ProGrade Digital**$77.21**4.6★**▲ 36%**](https://www.amazon.com/dp/B085PWGSMT)

**~~View all trending →~~**

## **What buyers say about uhs-ii sd card reader**

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

### **What buyers love **

**Advertised Vs Actual Product**15%

*“As advertised”*

**Quality-Overall**13%

*“Excellent product”*

**Ease Of Use**12%

*“Its very easy to carry”*

**Data Transfer Speed**9%

*“Perfect data transfer”*

**Value For Money**9%

*“Great buy for the money”*

**Compatibility-Overall**6%

*“Compatibility is seamless”*

**Portability**5%

*“Handy”*

**Functionality-Overall**3%

*“functionality is perfect for what I nedd”*

**Compactness**3%

*“Compact size”*

**Storage Capacity**3%

*“Very versatile and has great storage options”*

### **What buyers complain about **

**Functionality-Overall**22%

*“Never worked”*

**Connectivity-Overall**9%

*“Connection Issue”*

**Durability**9%

*“Broke after a month”*

**Compatibility-Overall**7%

*“Not compatible with MacBook Pro”*

**Quality-Overall**6%

*“Bad quality”*

**Size-Overall**5%

*“It's a bit longer than I expected”*

**Data Transfer Speed**5%

*“Doesn't Transfer”*

**Heating**4%

*“Overheats Easily”*

**Instructions/User Manual/Troubleshooting**2%

*“No Instructions”*

**Value For Money**2%

*“I would spend a few more dollars”*

### **Top return reasons **

**Functionality-Overall**24%

**Compatibility-Overall**17%

**Size-Overall**14%

**Value For Money**10%

**Connectivity-Overall**9%

**Advertised Vs Actual Product**6%

**Socket/Port/Plug**5%

**Data Transfer Speed**4%

**Defective Material/Parts**2%

**Heating**1%

## **Common questions**

<dl>

<dt>**Is uhs-ii sd card reader profitable to sell on Amazon United States?**</dt><dd>The niche generates $127K/yr across 26 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.2%. Flapen's verdict: Skip it (49/100).</dd>

<dt>**How competitive is the uhs-ii sd card reader niche?**</dt><dd>10 brands and 50 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 91% of demand.</dd>

<dt>**What do buyers complain about in uhs-ii sd card reader?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Connectivity-Overall, Durability. The return rate is 1.4%.</dd>

<dt>**What does it cost to enter the uhs-ii sd card reader niche?**</dt><dd>Listings span $7.31–$77.21; the average listing price is $21.68 (sweet spot $15–$100). The average incumbent carries 5,875 reviews — the moat a new listing must climb.</dd>

</dl>

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