Is 20tb hard drive profitable to sell on Amazon United Kingdom?

The niche generates £345K/yr across 30 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.4%. Flapen's verdict: Skip it (35/100).

How competitive is the 20tb hard drive niche?

3 brands and 336 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 20tb hard drive?

Top complaints mined from reviews: Durability, Noise Level, Functionality-Overall. The return rate is 2.4%.

When does demand for 20tb hard drive peak?

Demand peaks in Mar; the busiest month runs 2.1× the quietest.

What does it cost to enter the 20tb hard drive niche?

Listings span £31.45–£473.33; the average listing price is £252.74 (sweet spot $15–$100). The average incumbent carries 27,227 reviews — the moat a new listing must climb.

20tb hard drive

Skip it

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

Returns

Good2.4%

return rate — above 5% kills the launch gate

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good£345K

£345K/yr · 182K searches

Competition

Good54%

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

Avg price

Okay£252.74

avg listing price — sweet spot $15–$100

Growth

Bad-17.4%

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

Price range

Bad£31.45–£473.33

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

Review moat

Bad27,227.2

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad0.8%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United Kingdom niche tracking, 20tb hard drive is a £345K/yr Amazon United Kingdom market (182K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar. Verdict: Skip it — 35/100.

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

20tb hard drive market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: £505K–£632K; units × avg price
Conversion rate: 0.8%
Avg BSR: #38
Page quality: 0%
Prime: 97%
Sponsored: 67%
Out of stock: 0.7%
Avg brand age: 58 months
Avg seller age: 174 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

3 falling

Sellers

336

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

54%

Top 20: 92%

Open market

Western Digital65%
Seagate34%
WD1%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.4% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 2.1×

Open Trend

Top 20tb hard drive search terms

20tb hard drive28K/yr -10.2%0.6% conv.
wd elements external hard drive16K/yr +18.8%1.4% conv.
western digital16K/yr -12.4%0.4% conv.
wd elements15K/yr -45.6%0.9% conv.
18tb hard drive13K/yr -17.9%0.9% conv.
20tb external hard drive12K/yr -5.1%1.9% conv.
20tb11K/yr -12.6%0.7% conv.
22tb hard drive9K/yr -19.4%0.3% conv.
20tb hdd8K/yr -11.1%0.5% conv.
22tb5K/yr -0.6%0.5% conv.

All search terms

Top 20tb 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

WD 20TB Elements External Hard Drive Desktop HDD storage USB 3.0 compatible Fast Transfer rates Plug-and-play storage for all your pictures videos music and documents Black

Western Digital£296.564.6★19,698 rev

Seagate Expansion Desktop 20TB External Hard Drive USB 3.0 Data Rescue Services (STKP20000400)

Seagate£272.384.3★18,468 rev

WD 18TB My Book external hard drive Desktop HDD with Password Protection USB 3.0 SuperSpeed USB software for device management backup hardware encryption works with PC and Mac Black

Western Digital£279.044.3★7,392 rev

WD 22TB Elements External Hard Drive Desktop HDD storage USB 3.0 compatible Fast Transfer rates Easy add on storage for all your pictures videos music and documents Black

Western Digital£279.094.6★19,698 rev

WD 2TB Elements AE Portable External Hard Drive SuperSpeed USB 3.2 Gen 1/USB 3.0 Plug-and-Play Formatted for Windows Black

Western Digital£68.194.3★675 rev

Newest

by launch date

WD 2TB Elements AE Portable External Hard Drive SuperSpeed USB 3.2 Gen 1/USB 3.0 Plug-and-Play Formatted for Windows Black

Western Digital£68.19675 rev

11mo ago

WD 5TB Elements AE Portable External Hard Drive SuperSpeed USB 3.2 Gen 1/USB 3.0 Plug-and-Play Formatted for Windows Black

Western Digital£99.22675 rev

11mo ago

WD 6TB Elements AE Portable External Hard Drive SuperSpeed USB 3.2 Gen 1/USB 3.0 Plug-and-Play Formatted for Windows Black

WD£123.17675 rev

11mo ago

Seagate Expansion Desktop 20TB External Hard Drive USB 3.0 Data Rescue Services (STKP20000400)

Seagate£272.3818,468 rev

1y ago

Seagate IronWolf Pro 20TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 7.200 RPM 256MB Cache for RAID NAS Rescue Services - Frustration Free Packaging (ST20000NTZ01)

Seagate£412.84987 rev

1y ago

What buyers say about 20tb hard drive

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

What buyers love

Storage Capacity13%

“loads of storage space”

Quality-Overall10%

“Good quality drive, fast speeds”

Value For Money10%

“Good Value”

Data Transfer Speed9%

“It's fairly fast”

Portability7%

“reliable and portable just as it says also not really noticed any noise from it either”

Compatibility-Overall6%

“Compatability is great operated with no issues, great size and fit”

Ease Of Use4%

“easy to use”

Advertised Vs Actual Product4%

“It works as good as its promoted”

Size-Overall3%

“perfect size”

Computation Performance3%

“So speed and data reliability is excellent”

What buyers complain about

Durability17%

“Failed after 4 months”

Noise Level12%

“Ridiculously loud”

Functionality-Overall11%

“then freezing my pc”

Value For Money9%

“Ridiculous price”

Storage Capacity6%

“I know that you don't get the full storage because of os and suff”

Advertised Vs Actual Product5%

“SuperSpeed is extremely misleading”

Quality-Overall4%

“Worthless Garbage”

Strength3%

“Doesn't feel rugged”

Connectivity-Overall3%

“Disconnects when in use”

Computation Performance3%

“Slow drive”

Top return reasons

Functionality-Overall20%

Compatibility-Overall17%

Connectivity-Overall11%

Noise Level9%

Defective Material/Parts8%

Data Transfer Speed3%

Value For Money3%

Computation Performance3%

Durability3%

Constant Reboot Or Restart3%

Common questions

Is 20tb hard drive profitable to sell on Amazon United Kingdom?: The niche generates £345K/yr across 30 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -17.4%. Flapen's verdict: Skip it (35/100).
How competitive is the 20tb hard drive niche?: 3 brands and 336 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 20tb hard drive?: Top complaints mined from reviews: Durability, Noise Level, Functionality-Overall. The return rate is 2.4%.
When does demand for 20tb hard drive peak?: Demand peaks in Mar; the busiest month runs 2.1× the quietest.
What does it cost to enter the 20tb hard drive niche?: Listings span £31.45–£473.33; the average listing price is £252.74 (sweet spot $15–$100). The average incumbent carries 27,227 reviews — the moat a new listing must climb.

20tb hard drive

20tb hard drive market data

Competition & brand share

Demand & seasonality

Top 20tb hard drive search terms

Top 20tb hard drive products on Amazon

Top sellers

Newest

Trending

What buyers say about 20tb hard drive

What buyers love

What buyers complain about

Top return reasons

Common questions

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