usb card
Skip itSoft demand (-20.9% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$36.10avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Great483.77avg incumbent reviews — the moat a new listing must climb
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good74%top-5 brand share — brands hold most of the demand
Conversion
Okay3.1%search→purchase rate — share of searches ending in a sale
Market size
Okay$182K$182K/yr · 163K searches
Price range
Okay$12.32–$246.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Bad5.2%return rate — above 5% kills the launch gate
Growth
Bad-20.9%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, usb card is a $182K/yr Amazon United States market (163K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
usb card market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- $181K–$217K
- units × avg price
- Conversion rate
- 3.1%
- Avg BSR
- #32
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 63 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
78
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
46%
Top 20: 85%
Open market
16%
- YEELIYA23%
- ELUTENG22%
- GLOTRENDS10%
- FebSmart10%
- SINEFINE10%
- StarTech.com10%
- Open — no brand owns it (6 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -20.9% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 1.7×
Top usb card search terms
- pcie usb expansion card42K/yr
- usb pcie card21K/yr
- usb expansion card11K/yr
- pcie usb10K/yr
- internal usb port cards11K/yr
- usb pcie6K/yr
- pcie usb card7K/yr
- usb 3.2 pcie card7K/yr
- pcie usb 3.05K/yr
- pci usb card7K/yr
Top usb card 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
YEELIYA PCIE USB 3.0 Expansion Card 7 Ports (5X Type-A and 2 USB C) PCIe Card Super Speed PCI Express USB3 Hub Controller Adapter for Windows 11/10/8/7/XP and MAC OS/Linux
YEELIYA$29.454.2★2,758 rev

ELUTENG PCIE USB 3.0 Card 7 Ports PCI Expree to USB Expansion Card Super Speed 5Gbps PCI-e USB3 Hub Controller Adapter for Windows 11/10/8/7/XP/Vista
ELUTENG$20.394.3★471 rev

ELUTENG PCIE USB 3.2 Card 8 Ports PCI Expree to USB C Expansion Card Superspeed 6 USB and 2 Type C PCI-e USB3 Hub Controller Adapter 3 Independent Power Module
ELUTENG$30.044.2★284 rev

GLOTREND U6A2C 8-Port PCIe USB Expansion Card 2 USB-C & 6 USB-A Ports (USB 3.2 Gen 1) Compatible with Windows Linux (Not for Mac OS)
GLOTRENDS$27.854.3★274 rev

Sinefine 4 Ports PCI-E to USB 3.0 Expansion Card (2 USB Type-A and 2 USB Type-C Ports) Internal Converter PCI Express Expansion Card for Desktop PC Card
SINEFINE$16.594.4★328 rev
Newest
by launch date
StarTech 4-Port USB-C 10Gbps PCIe Card TAA (P10Q4C-USB-CARD)
StarTech.com$246.2441 rev

Gugxiom PCIe to USB 3.2 Gen 1 Card with 20 Gbps Bandwidth 3 USB Type A and 2 Type C Ports PCIe Expansion USB Card for Desktop PC
Gugxiom$24.6754 rev

StarTech 5-Port USB 10Gbps PCIe Card (PS4C3IA3-USB-C-CARD)
StarTech.com$70.14131 rev

Sinefine USB 3.0 PCIe Card 5 Ports Expansion Card (3 USB A and 2 Type-C Ports) Internal Converter PCI Express Expansion Card for Desktop PC Card
SINEFINE$16.9044 rev

PCIe USB 3.2/3.1 Gen 2 Card 8 Ports Type-A USB C PCIe Card 10Gbps PC Internal Hub for Windows XP/Vista/2008 Server/7/8/10 and Linux
YEELIYA$56.30189 rev
Trending
90-day click momentum
Sinefine USB 3.0 PCIe Card 5 Ports Expansion Card (3 USB A and 2 Type-C Ports) Internal Converter PCI Express Expansion Card for Desktop PC Card
SINEFINE$16.904.0★

GLOTREND U6A2C 8-Port PCIe USB Expansion Card 2 USB-C & 6 USB-A Ports (USB 3.2 Gen 1) Compatible with Windows Linux (Not for Mac OS)
GLOTRENDS$27.854.3★

PCIe USB 3.2/3.1 Gen 2 Card 8 Ports Type-A USB C PCIe Card 10Gbps PC Internal Hub for Windows XP/Vista/2008 Server/7/8/10 and Linux
YEELIYA$56.304.1★

YEELIYA PCIE USB 3.0 Expansion Card 7 Ports (5X Type-A and 2 USB C) PCIe Card Super Speed PCI Express USB3 Hub Controller Adapter for Windows 11/10/8/7/XP and MAC OS/Linux
YEELIYA$29.454.2★

2-Ports Superspeed 5Gbps USB 3.0 PCI Express Expansion Card for Windows MAC OS X and Linux Desktop PCs Built in Self-Powered Technology No Need Additional Power Supply (FS-U2S-Pro)
FebSmart$13.034.4★
What buyers say about usb card
What buyers praise and complain about, mined from review topics.What buyers love
“Great for adding ports”
“Easy install”
“Build quality is solid too”
“Works and compatible with just about all os on earth”
“as advertised”
“Transfer speeds are fast”
“Good price”
“Great connectivity”
“Performance highlights:”
“The card fits”
What buyers complain about
“ports do not work”
“Doesnt work well”
“The included driver CD is incompatible”
“Smaller than it looks”
“- usb devices randomly disconnect”
“First unit died after two weeks”
“Typical low quality, re-sold crap”
“Transfer speed slow”
“Not 3.2 like advertised”
“Instead it automatically restarted”
Top return reasons
Common questions
- Is usb card profitable to sell on Amazon United States?
- The niche generates $182K/yr across 35 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.9%. Flapen's verdict: Skip it (47/100).
- How competitive is the usb card niche?
- 12 brands and 78 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in usb card?
- Top complaints mined from reviews: Socket/Port/Plug, Functionality-Overall, Compatibility-Overall. The return rate is 5.2% — above our launch gate.
- When does demand for usb card peak?
- Demand peaks in Jan–Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the usb card niche?
- Listings span $12.32–$246.24; the average listing price is $36.10 (sweet spot $15–$100). The average incumbent carries 484 reviews — the moat a new listing must climb.