Is 500gb external hard drive profitable to sell on Amazon United States?

The niche generates $593K/yr across 22 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +18.1%. Flapen's verdict: Worth a look (52/100).

How competitive is the 500gb external hard drive niche?

13 brands and 112 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in 500gb external hard drive?

Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.7%.

When does demand for 500gb external hard drive peak?

Demand peaks in Jul; the busiest month runs 3.2× the quietest.

What does it cost to enter the 500gb external hard drive niche?

Listings span $25.10–$115.29; the average listing price is $43.99 (sweet spot $15–$100). The average incumbent carries 44,165 reviews — the moat a new listing must climb.

500gb external hard drive

Worth a look

Shows a sweet-spot price point ($43.99 avg), but a deep review moat (44,165 avg reviews) keeps it on the watch list.

Avg price

Incredible$43.99

avg listing price — sweet spot $15–$100

Price range

Great$25.10–$115.29

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

Market size

Good$593K

$593K/yr · 291K searches

Returns

Good2.7%

return rate — above 5% kills the launch gate

Conversion

Good4.6%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay75%

top-5 brand share — brands hold most of the demand

Growth

Okay+18.1%

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

Competition

Okay66%

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

Review moat

Bad44,164.86

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, 500gb external hard drive is a $593K/yr Amazon United States market (291K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jul. Verdict: Worth a look — 52/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

500gb external hard drive market data

Units sold / yr: 15K–20K; avg 750–1,000/product
Revenue / yr: $660K–$880K; units × avg price
Conversion rate: 4.6%
Avg BSR: #21
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.5%
Avg brand age: 60 months
Avg seller age: 174 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

112

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

66%

Top 20: 98%

Open market

19%

Maxone22%
YOTUO18%
UnionSine16%
Aiolo Innovation11%
Seagate8%
NRICO6%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +18.1% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 3.2×

Open Trend

Top 500gb external hard drive search terms

500gb external hard drive72K/yr +22.2%4.1% conv.
500 gb external hard drive51K/yr +24.6%4.5% conv.
external hard drive 500gb41K/yr +24.8%5.0% conv.
500gb hard drive31K/yr -1.2%1.8% conv.
hard drive 500gb18K/yr +10.4%4.2% conv.
maxone external hard drive13K/yr +11.4%5.3% conv.
500 gb hard drive13K/yr +10.6%3.3% conv.
external hard drive 500 gb7K/yr +37.4%6.8% conv.
disco duro externo 500gb7K/yr +8.8%1.9% conv.
256gb external hard drive6K/yr -1.8%1.3% conv.

All search terms

Top 500gb external hard drive 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

YOTUO 500GB External Hard Drive Portable Storage Expansion HDD USB 3.0 & USB-C for PC Mac Desktop Laptop Smartphone PS4 Xbox One Xbox 360 Office & Game Black

YOTUO$32.114.3★968 rev

Maxone 500GB Ultra Slim Portable External Hard Drive HDD USB 3.0 Compatible with PC Laptop Charcoal Grey

Maxone$30.234.4★61,704 rev

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)

UnionSine$33.654.4★2,061 rev

Aiolo Innovation 500GB External Hard Drive Ultra Slim Portable HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360 HD-A4

Aiolo Innovation$30.804.5★3,727 rev

Seagate Portable 1TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox 1-Year Rescue Service (STGX1000400) Black

Seagate$71.324.6★272,007 rev

Newest

by launch date

GODBPNYMU 500GB External Hard Drive Compact Portable Hard USB 3.0/USB C

GODBPNYMU$30.04104 rev

7mo ago

Kosbees 500 GB External Hard Drives Portable Hard Drive for Windows Ultra Slim External HDD Store Compatible with PC MAC Laptop PS4 Xbox one Xbox 360;Plug and Play Ready

Kosbees$32.28475 rev

7mo ago

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)

UnionSine$33.652,061 rev

9mo ago

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Pink)

UnionSine$34.052,061 rev

9mo ago

ModusTech Facet 500GB External Hard Drive Portable USB-C/USB 3.1 Plug & Play Ultra- Slim HDD Hard Drive for Backup Gaming PC Mac Laptop PS4 Xbox Smart TV (Black)

ModusTech$31.191,628 rev

1y ago

What buyers say about 500gb external hard drive

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

What buyers love

Value For Money13%

“Price was fair”

Quality-Overall12%

“The build quality feels solid”

Storage Capacity12%

“Good Storage”

Data Transfer Speed9%

“The transfer speed is good”

Ease Of Use8%

“User Friendly”

Advertised Vs Actual Product8%

“As advertised”

Compatibility-Overall5%

“Compatible”

Portability4%

“portable drive”

Assembly/Installation4%

“requires no complicated installation”

Durability3%

“has been reliable so far”

What buyers complain about

Durability20%

“Doesnt last”

Functionality-Overall14%

“it never worked”

Compatibility-Overall8%

“Wasn't compatible”

Quality-Overall8%

“COMPLETE GARBAGE”

Connectivity-Overall7%

“Hard to keep connected”

Storage Capacity5%

“Way too much storage for cheap”

Value For Money5%

“they are more expensive”

Data Transfer Speed4%

“so I literally cant transfer anything”

Advertised Vs Actual Product3%

“Falsely advertised”

Ease Of Use2%

“Hard to use”

Top return reasons

Compatibility-Overall37%

Functionality-Overall17%

Connectivity-Overall9%

Size-Overall5%

Value For Money4%

Storage Capacity4%

Advertised Vs Actual Product4%

Defective Material/Parts3%

Socket/Port/Plug3%

Data Transfer Speed2%

Common questions

Is 500gb external hard drive profitable to sell on Amazon United States?: The niche generates $593K/yr across 22 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +18.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the 500gb external hard drive niche?: 13 brands and 112 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in 500gb external hard drive?: Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.7%.
When does demand for 500gb external hard drive peak?: Demand peaks in Jul; the busiest month runs 3.2× the quietest.
What does it cost to enter the 500gb external hard drive niche?: Listings span $25.10–$115.29; the average listing price is $43.99 (sweet spot $15–$100). The average incumbent carries 44,165 reviews — the moat a new listing must climb.