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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 10Growth 19Conversion 82Competition 0Returns 50Price range 36Avg price 72Brand share 0Review moat 19Quality gap 22

Conversion

Great8.7%

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

Avg price

Good€108.49

avg listing price — sweet spot $15–$100

Returns

Good3.0%

return rate — above 6% kills the launch gate

Price range

Okay€41.64–€203.38

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-12.0%

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

Review moat

Bad15,721.25

avg incumbent reviews — the moat a new listing must climb

Market size

Bad€40K

€40K/yr · 4K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

81

Top-5 brand share

100%

Open market

0%

  • SiQuell48%
  • Crucial48%
  • Abato4%
  • 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%15%€6K30%€12K45%€18K60%€24K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 41 weeks — -12.0% search growth over the last 90 days.
175125Black Friday '25Spike '26Sep '25Nov '25Dec '25Feb '26Mar '26Apr '26Jun '26

Reviews

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

What buyers love

Rechnenleistung30%

“RAM funktioniert einwandfrei”

Kompatibilität – insgesamt20%

“Dieser Artikel funktionieren eiwandfrei auf meinem laptop”

Funktionalität insgesamt10%

“RAM funktioniert einwandfrei”

Speicherkapazität10%

“Ansonsten guter normaler RAM Riegel, läuft und tut was er soll”

Montage/Installation10%

“Die Installation war schnell erledigt”

Qualität insgesamt10%

“Qualitativ gibt es aber nichts auszusetzen”

What buyers complain about

Kompatibilität – insgesamt50%

“daher gehe ich von einer Inkompatibilität oder einem Defekt des gelieferten Moduls aus.”

beworben Vs Tatsächliches Produkt25%

“Beschreibung der Pin Anzahl falsch”

Top return reasons

Kompatibilität – insgesamt28%
Funktionalität insgesamt24%
Gesamtgröße11%
Defekt Material/Teile7%
Speicherkapazität7%
Ständiger Neustart oder Neustart6%
Produktzustand3%
beworben Vs Tatsächliches Produkt3%
Heizung2%
Qualität insgesamt2%