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

The niche generates $46K/yr across 21 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -4.0%. Flapen's verdict: Skip it (43/100).

How competitive is the 500gb hard drive niche?

9 brands and 65 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in 500gb hard drive?

Top complaints mined from reviews: Durability, Functionality-Overall, Connectivity-Overall. The return rate is 1.8%.

When does demand for 500gb hard drive peak?

Demand peaks in Jan; the busiest month runs 2.0× the quietest.

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

Listings span $16.29–$66.32; the average listing price is $33.63 (sweet spot $15–$100). The average incumbent carries 3,984 reviews — the moat a new listing must climb.

500gb hard drive

Skip it

A small market ($46K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$33.63

avg listing price — sweet spot $15–$100

Price range

Incredible$16.29–$66.32

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

Returns

Great1.8%

return rate — above 5% kills the launch gate

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay56%

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

Conversion

Okay3.1%

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

Review moat

Okay3,984

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.0%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Market size

Bad$46K

$46K/yr · 44K searches

According to Flapen's Amazon United States niche tracking, 500gb hard drive is a $46K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan. Verdict: Skip it — 43/100.

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

500gb hard drive market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $42K–$50K; units × avg price
Conversion rate: 3.1%
Avg BSR: #993
Page quality: 0%
Prime: 81%
Sponsored: 43%
Out of stock: 6.7%
Avg brand age: 60 months
Avg seller age: 181 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

UnionSine41%
Western Digital17%
Seagate17%
MDD MAXDIGITALDATA10%
Aiolo Innovation7%
Maxone3%
Open — no brand owns it (3 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — -4.0% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 2.0×

Open Trend

Top 500gb hard drive search terms

500gb hdd13K/yr +4.1%1.8% conv.
hdd 500gb8K/yr +3.0%1.3% conv.
unionsine external hard drive8K/yr -9.6%5.8% conv.
500 gb hdd5K/yr -15.3%2.6% conv.
unionsine5K/yr -21.2%3.8% conv.
512gb hdd3K/yr +3.5%0.6% conv.
500gb sata hard drive2K/yr -10.0%0.6% conv.

All search terms

Top 500gb 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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

UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)

UnionSine$66.324.4★2,061 rev

WD Blue 500GB Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 16MB Cache 3.5 Inch - WD5000AAKX

Western Digital$37.284.4★5,751 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 Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS

Seagate$22.524.1★121 rev

Newest

by launch date

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 1TB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)

UnionSine$66.322,061 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

UnionSine USB C Flash Drive 128GB USB3.2 Solid State External SSD Up to 450MB/s Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series Android Phone Laptop Tablet TV Car Audio

UnionSine$33.95189 rev

11mo ago

500GB 2.5 SATA HDD for Dell Inspiron 1120 1318 14 1420 1425 1427 1440 1470 1501 1505 1520 1521 1525 1526 1545 1546 1564 15R 1720 1721 1750 1764 17R 640M 9400 E1505 E1705 M5010 N3010 N4020 N4030 N4110

BIPRA$20.7822 rev

2y ago

What buyers say about 500gb hard drive

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

What buyers love

Value For Money16%

“Good Price”

Storage Capacity12%

“Great storage”

Quality-Overall9%

“The build quality feels solid”

Data Transfer Speed8%

“transfer speeds along with the price are great”

Ease Of Use8%

“User Friendly”

Advertised Vs Actual Product7%

“AS advertised”

Assembly/Installation5%

“Easy install”

Compatibility-Overall5%

“Compatibility is solid”

Portability3%

“portable drive”

Size-Overall3%

“fit was perfect”

What buyers complain about

Durability21%

“Broke way too easily”

Functionality-Overall11%

“Didn't work for me”

Connectivity-Overall10%

“still doesn't connect”

Quality-Overall7%

“Disappointed in Quality Control”

Storage Capacity6%

“Low capacity”

Compatibility-Overall4%

“Wasn't compatible”

Data Transfer Speed4%

“file transfers are incredibly slow”

Value For Money3%

“they are more expensive”

Ease Of Use3%

“Hard to use”

Advertised Vs Actual Product3%

“Semi false advertising”

Top return reasons

Compatibility-Overall34%

Functionality-Overall18%

Connectivity-Overall10%

Size-Overall6%

Storage Capacity5%

Socket/Port/Plug4%

Advertised Vs Actual Product4%

Value For Money4%

Defective Material/Parts3%

Data Transfer Speed3%

Common questions

Is 500gb hard drive profitable to sell on Amazon United States?: The niche generates $46K/yr across 21 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -4.0%. Flapen's verdict: Skip it (43/100).
How competitive is the 500gb hard drive niche?: 9 brands and 65 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in 500gb hard drive?: Top complaints mined from reviews: Durability, Functionality-Overall, Connectivity-Overall. The return rate is 1.8%.
When does demand for 500gb hard drive peak?: Demand peaks in Jan; the busiest month runs 2.0× the quietest.
What does it cost to enter the 500gb hard drive niche?: Listings span $16.29–$66.32; the average listing price is $33.63 (sweet spot $15–$100). The average incumbent carries 3,984 reviews — the moat a new listing must climb.

500gb hard drive

500gb hard drive market data

Competition & brand share

Demand & seasonality

Top 500gb hard drive search terms

Top 500gb hard drive products on Amazon

Top sellers

Newest

Trending

What buyers say about 500gb hard drive

What buyers love

What buyers complain about

Top return reasons

Common questions

Related niches in Electronics