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38

steam deck sd card

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 55Growth 19Conversion 19Competition 47Returns 72Price range 78Avg price 93Brand share 0Review moat 9Quality gap 18

Avg price

Great$50.21

avg listing price — sweet spot $15–$100

Price range

Great$16.68–$122.82

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

Returns

Good2.1%

return rate — above 5% kills the launch gate

Market size

Good$379K

$379K/yr · 496K searches

Competition

Okay57%

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

Growth

Bad-11.6%

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

Conversion

Bad1.5%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad33,240.74

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, steam deck sd card is a $379K/yr Amazon United States market (496K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

steam deck sd card market data

Units sold / yr
15K–20K
avg 500–750/product
Revenue / yr
$753K–$1.0M
units × avg price
Conversion rate
1.5%
Avg BSR
#88
Page quality
0%
Prime
87%
Sponsored
35%
Out of stock
11.5%
Avg brand age
40 months
Avg seller age
181 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

4 falling

Sellers

86

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

57%

Top 20: 96%

Open market

0%

  • Samsung87%
  • Sandisk10%
  • Amazon Basics2%
  • SP Silicon Power1%

Demand

Weekly Amazon search volume, last 15 weeks — -11.6% search growth over the last 90 days.
15K10KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
Open Trend

Top steam deck sd card search terms

  • samsung micro sd card117K/yr
  • samsung sd card82K/yr
  • samsung evo micro sd40K/yr
  • micro sd card samsung30K/yr
  • samsung evo select14K/yr
  • steam deck sd card34K/yr
  • sd card samsung22K/yr
  • samsung micro sd19K/yr
  • samsung memory card16K/yr
  • samsung 128gb micro sd card12K/yr
All search terms

Top steam deck sd 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.

0%10%$38K20%$76K30%$114K40%$152K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share
1
SAMSUNG EVO Select Micro SD-Memory-Card + Adapter 256GB microSDXC 130MB/s Full HD & 4K UHD UHS-I U3 A2 V30 Expanded Storage for Android Smartphones Tablets Nintendo-Switch (MB-ME256KA/AM)

SAMSUNG EVO Select Micro SD-Memory-Card + Adapter 256GB microSDXC 130MB/s Full HD & 4K UHD UHS-I U3 A2 V30 Expanded Storage for Android Smartphones Tablets Nintendo-Switch (MB-ME256KA/AM)

Samsung$36.094.7★93,727 rev

2
Samsung EVO Select microSDMemory Card + Adapter 512GB microSDXC Up-to 160 MB/s 4K UHD UHS-I C10 U3 V30 A2 for Mobile Phone Smartphones Nintendo-Switch and Tablets (MB-ME512SA/AM)

Samsung EVO Select microSDMemory Card + Adapter 512GB microSDXC Up-to 160 MB/s 4K UHD UHS-I C10 U3 V30 A2 for Mobile Phone Smartphones Nintendo-Switch and Tablets (MB-ME512SA/AM)

Samsung$40.934.8★8,788 rev

3
Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)

Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)

Samsung$39.014.7★1,917 rev

4
Samsung PRO Endurance 128GB MicroSDXC Memory Card with Adapter for Dash Cam Body Cam and Security Camera Class 10 U3 V30 (MB-MJ128KA/AM)

Samsung PRO Endurance 128GB MicroSDXC Memory Card with Adapter for Dash Cam Body Cam and Security Camera Class 10 U3 V30 (MB-MJ128KA/AM)

Samsung$33.924.7★28,447 rev

5
Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM

Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM

Samsung$38.544.7★499 rev

Newest

by launch date
Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)

Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)

Samsung$38.8475 rev

3mo ago
Samsung microSDXC T9 256GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH256T/AM)

Samsung microSDXC T9 256GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH256T/AM)

Samsung$57.8975 rev

3mo ago
Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)

Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)

Samsung$98.49105 rev

3mo ago
Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)

Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)

Samsung$34.25105 rev

3mo ago
Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)

Samsung P9 Express microSD Express Card 256GB microSDXC Memory Card Up to 800 MB/s for Nintendo-Switch 2 (MB MK256T/AM)

Samsung$39.011,917 rev

9mo ago

Trending

90-day click momentum
Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)

Samsung microSDXC T7 128GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB128T/AM)

Samsung$34.254.7★

▲ 270%
Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)

Samsung microSDXC T9 128GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH128T/AM)

Samsung$38.844.7★

▲ 269%
Samsung microSDXC T9 256GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH256T/AM)

Samsung microSDXC T9 256GB Read/Write Speeds Up to 200/130 MB/s Made for Avid Gamers & Professional Creators (MB-MH256T/AM)

Samsung$57.894.7★

▲ 269%
Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)

Samsung microSDXC T7 512GB Transfer Speeds Up to 170 MB/s Made for Casual Gamers Amateur Creators & Everyday Users (MB-MB512T/AM)

Samsung$98.494.7★

▲ 269%
Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM

Samsung EVO Plus microSD Memory Card + Adapter 128GB microSDXC Speeds Up to 160 MB/s UHS-I C10 U3 V10 A3 Upgrade Storage for Phones Tablets Gaming Consoles DSLR Cameras PCs MB-MC128SA/AM

Samsung$38.544.7★

▲ 217%

What buyers say about steam deck sd card

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

What buyers love

Quality-Overall14%

“The quality feels solid”

Compatibility-Overall14%

“Compatible with almost all devices”

Value For Money14%

“Cost effective”

Storage Capacity13%

“The capacity is great”

Advertised Vs Actual Product11%

“As advertised”

Data Transfer Speed9%

“Fast transfer”

Computation Performance4%

“Good performance”

Durability4%

“It has held up well with long term use”

Camera Quality2%

“Worked great for my camera”

Ease Of Use2%

“Easy to use”

What buyers complain about

Durability19%

“Broke”

Functionality-Overall17%

“the pi just wouldn't boot”

Value For Money15%

“it was half the price”

Compatibility-Overall6%

“Switch 2. This does not work for Nintendo Switch 2”

Computation Performance5%

“a little slow”

Advertised Vs Actual Product4%

“False advertising”

Quality-Overall3%

“Trash”

Storage Capacity3%

“when tested by users are found out to have capacities that are much less”

Data Transfer Speed2%

“The transfer would have taken about 2-3 hours”

Size-Overall2%

“a prompt stating its not large enough”

Top return reasons

Functionality-Overall26%
Compatibility-Overall23%
Value For Money14%
Size-Overall10%
Computation Performance5%
Defective Material/Parts4%
Storage Capacity4%
Advertised Vs Actual Product3%
Camera Quality2%
Product Condition2%

Common questions

Is steam deck sd card profitable to sell on Amazon United States?
The niche generates $379K/yr across 23 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Skip it (38/100).
How competitive is the steam deck sd card niche?
4 brands and 86 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in steam deck sd card?
Top complaints mined from reviews: Durability, Functionality-Overall, Value For Money. The return rate is 2.1%.
What does it cost to enter the steam deck sd card niche?
Listings span $16.68–$122.82; the average listing price is $50.21 (sweet spot $15–$100). The average incumbent carries 33,241 reviews — the moat a new listing must climb.