---
title: "Sd to Usb — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/sd-to-usb"
last_updated: "2026-08-06T15:35:41.248Z"
locale: en
meta:
description: "Niche score 34/100 · $39K/yr market · 29K searches/yr · $8.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $39K/yr market · 29K searches/yr · $8.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sd to Usb — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **sd to usb**
**Skip it**
Prices mostly outside the sweet spot ($5.02–$13.01) — this niche doesn't clear our bar today.
Market size 10Growth 30Conversion 98Competition 15Returns 90Price range 0Avg price 23Brand share 15Review moat 21Quality gap 33
**Conversion**
**Incredible****16.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+3.8%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****$8.45**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****12,085.64**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$39K**
$39K/yr · 29K searches
**Price range**
**Bad****$5.02–$13.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, sd to usb is a $39K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 34/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sd to usb market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$34K–$42K**
- units × avg price
- **Conversion rate**
- **16.2%**
- **Avg BSR**
- **#35**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **206 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**15**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**3%**
- Acer29% - Wansurs28% - uni28% - DSRKE5% - Anker4% - UGREEN3% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.8% search growth over the last 90 days.
600400Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/electronics/sd-to-usb/trend)
## **Top sd to usb search terms**
- **sd to usb**18K/yr+6.0%15.7% conv. - **usb to sd**6K/yr-8.9%14.7% conv. - **sd card adapter for pc**3K/yr+35.2%13.8% conv. - **sandisk to usb adapter**2K/yr-8.6%10.0% conv. - **sd adapter for laptop**894/yr-11.7%7.2% conv. [**All search terms **](https://flapen.com/research/us/electronics/sd-to-usb/search-terms)
## **Top sd to usb 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%$4K20%$8K30%$12K40%$16K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**USB3.0 Micro SD Card Reader 5Gbps 2-in-1 SD Card Reader to USB Adapter Wansurs Memory Card Reader for SDXC SDHC MMC RS-MMC Micro SDXC Micro SD Micro SDHC and UHS-I Cards (1Pack Black)**Wansurs**$5.21**4.5★8,285 rev](https://www.amazon.com/dp/B0B9QZ4W4Y) [2**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) [3**uni SD Card Reader High-Speed USB C to Micro SD Card Adapter USB 3.0 Dual Slots Memory Card Reader for SD/Micro SD/SDHC/SDXC/MMC Compatible with MacBook Pro/Air Chromebook Android Galaxy**uni**$9.50**4.6★35,392 rev](https://www.amazon.com/dp/B081VHSB2V) [4**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★6,918 rev](https://www.amazon.com/dp/B08P1T8R46) [5**Acer SD Card Reader USB A 3.0 to Micro Memory Card Reader Aluminum Dual Slot SD to USB Adapter for Computer PC Laptop and Type A Devices Compatible with SD/Micro SDXC/SDXC/SDHC/MMC/TF Cards**Acer**$13.01**4.7★1,371 rev](https://www.amazon.com/dp/B0FJB84N94)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**DSRKE SD Card Reader Dual Slots USB 3.0 USB C to Micro SD Card Adapter**DSRKE**$8.23**1,348 rev9mo ago](https://www.amazon.com/dp/B0FSZVJFNZ) [**Acer SD Card Reader USB A 3.0 to Micro Memory Card Reader Aluminum Dual Slot SD to USB Adapter for Computer PC Laptop and Type A Devices Compatible with SD/Micro SDXC/SDXC/SDHC/MMC/TF Cards**Acer**$13.01**1,371 rev11mo ago](https://www.amazon.com/dp/B0FJB84N94) [**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 iPhone 17 16 Laptop PC MacBook Pro/Air iPad Pro Android Samsung S25 A17**Radidi**$5.02**205 rev1y ago](https://www.amazon.com/dp/B0F8H277HG) [**UANTIN SD Card Reader USB C Dual Slots USB A & USB C Memory Card Adapter for MicroSD SDHC SDXC Simultaneous Read & Write Slot Compatible Laptop iPhone 17 MacBook Neo/Pro/Air iPad Pro Android**UANTIN**$8.09**572 rev1y ago](https://www.amazon.com/dp/B0F2H3WFCR) [**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**10,287 rev1y ago](https://www.amazon.com/dp/B0DQ71G4G4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**DSRKE SD Card Reader Dual Slots USB 3.0 USB C to Micro SD Card Adapter**DSRKE**$8.23**4.5★**▲ 147%**](https://www.amazon.com/dp/B0FSZVJFNZ) [**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★**▲ 105%**](https://www.amazon.com/dp/B0DQ71G4G4) [**Acer SD Card Reader USB A 3.0 to Micro Memory Card Reader Aluminum Dual Slot SD to USB Adapter for Computer PC Laptop and Type A Devices Compatible with SD/Micro SDXC/SDXC/SDHC/MMC/TF Cards**Acer**$13.01**4.7★**▲ 55%**](https://www.amazon.com/dp/B0FJB84N94) [**UANTIN SD Card Reader USB C Dual Slots USB A & USB C Memory Card Adapter for MicroSD SDHC SDXC Simultaneous Read & Write Slot Compatible Laptop iPhone 17 MacBook Neo/Pro/Air iPad Pro Android**UANTIN**$8.09**4.6★**▲ 28%**](https://www.amazon.com/dp/B0F2H3WFCR) [**USB SD Card Reader for PC 3 Packs Micro SD Card to USB Adapter Card Reader for Camera Memory Card Reader Wansurs Card Reader for Laptop (3 Pack USB2.0)**Wansurs**$5.03**4.4★**▲ 21%**](https://www.amazon.com/dp/B0B9R7H765)
**~~View all trending →~~**
## **What buyers say about sd to usb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**17%
*“As advertised”*
**Quality-Overall**13%
*“Solid build quality”*
**Ease Of Use**12%
*“Good for many uses”*
**Value For Money**11%
*“Good value for money”*
**Data Transfer Speed**9%
*“Good transfer speeds”*
**Compatibility-Overall**5%
*“I had zero issues with compatibility or anything else related to the product”*
**Portability**4%
*“easy to carry”*
**Functionality-Overall**4%
*“Works great”*
**Compactness**3%
*“its compact design”*
**Size-Overall**2%
*“Compact size”*
### **What buyers complain about **
**Functionality-Overall**24%
*“DOESNT WORK”*
**Durability**10%
*“stopped working after about ten uses”*
**Connectivity-Overall**9%
*“Poor connection”*
**Compatibility-Overall**7%
*“it is not compatible with that”*
**Quality-Overall**7%
*“So not sure if there is a quality control issue”*
**Data Transfer Speed**6%
*“Doesn't Transfer”*
**Size-Overall**4%
*“The body is a little wide”*
**Value For Money**3%
*“not worth returning because the price”*
**Heating**2%
*“Gets very hot”*
**Socket/Port/Plug**2%
*“Port was loose”*
### **Top return reasons **
**Functionality-Overall**27%
**Compatibility-Overall**16%
**Size-Overall**14%
**Value For Money**8%
**Connectivity-Overall**8%
**Advertised Vs Actual Product**6%
**Socket/Port/Plug**5%
**Data Transfer Speed**4%
**Defective Material/Parts**2%
**Quality-Overall**1%
## **Common questions**
- **Is sd to usb profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 11 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +3.8%. Flapen's verdict: Skip it (34/100).
- **How competitive is the sd to usb niche?**
- 8 brands and 15 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in sd to usb?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Connectivity-Overall. The return rate is 1.2%.
- **When does demand for sd to usb peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the sd to usb niche?**
- Listings span $5.02–$13.01; the average listing price is $8.45 (sweet spot $15–$100). The average incumbent carries 12,086 reviews — the moat a new listing must climb.
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