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Prices mostly outside the sweet spot ($96.88–$394.83) — this niche doesn't clear our bar today.

Market size 43Growth 20Conversion 23Competition 37Returns 72Price range 1Avg price 48Brand share 4Review moat 91Quality gap 27

Review moat

Great180.84

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.1%

return rate — above 6% kills the launch gate

Avg price

Okay€188.68

avg listing price — sweet spot $15–$100

Market size

Okay€224K

€224K/yr · 65K searches

Competition

Okay63%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.8%

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

Growth

Bad-9.5%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

Price range

Bad€96.88–€394.83

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

Competition

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 flat

Sellers

36

Top-5 brand share

98%

Open market

0%

  • Lexar41%
  • PERGEAR32%
  • Sony15%
  • Nextorage7%
  • Angelbird4%
  • SanDisk2%
  • Open — no brand owns it (0%)

Product shelf

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

0%10%€22K20%€45K30%€67K40%€90K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 85 weeks — -9.5% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Black Friday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Nov, Dec · busiest ÷ quietest = 1.8×

Reviews

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

What buyers love

Qualität insgesamt31%

“Super Produkt”

Preis-Leistungs-Verhältnis17%

“Ein gutes Produkt, was preislich angemessen ist”

Kompatibilität – insgesamt8%

“Sowohl in meiner Sony A7iV als auch in meiner FX3 super performant”

Haltbarkeit8%

“läuft absolut zuverlässig,”

Rechnenleistung8%

“Schnelle Karte”

Speicherkapazität8%

“Super Speicherkarte”

Datenübertragungsgeschwindigkeit6%

“Die Speicherkarte ist richtig schnell und arbeitet absolut zuverlässig, auch bei großen Dateien und Serienaufnahmen”

Aufnahmefunktion4%

“aber alle Aufzeichnugsarten.”

Kameraqualität2%

“Perfekt für Kameraeinsatz ohne Aussetzer”

What buyers complain about

Haltbarkeit33%

“Nach drei Wochen defekt”

Preis-Leistungs-Verhältnis25%

“teuer”

Top return reasons

Kompatibilität – insgesamt38%
Gesamtgröße24%
Preis-Leistungs-Verhältnis7%
Datenübertragungsgeschwindigkeit6%
Funktionalität insgesamt6%
Konnektivität – insgesamt3%
Speicherkapazität2%
Qualität insgesamt2%
Reichweite2%
Aufladen2%