Is external hard drive profitable to sell on Amazon United Kingdom?

The niche generates £7.0M/yr across 42 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (56/100).

How competitive is the external hard drive niche?

13 brands and 312 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in external hard drive?

Top complaints mined from reviews: Durability, Functionality-Overall, Connectivity-Overall. The return rate is 2.1%.

When does demand for external hard drive peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

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

Listings span £18.74–£279.04; the average listing price is £75.59 (sweet spot $15–$100). The average incumbent carries 42,477 reviews — the moat a new listing must climb.

external hard drive

Worth a look

Shows a $7.0M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible£7.0M

£7.0M/yr · 4.1M searches

Avg price

Great£75.59

avg listing price — sweet spot $15–$100

Competition

Great40%

top-5 click share — an open shelf

Returns

Good2.1%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay80%

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

Price range

Okay£18.74–£279.04

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

Conversion

Okay2.3%

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

Growth

Bad-10.3%

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

Review moat

Bad42,476.81

avg incumbent reviews — the moat a new listing must climb

Signals High Price

According to Flapen's Amazon United Kingdom niche tracking, external hard drive is a £7.0M/yr Amazon United Kingdom market (4.1M searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 56/100.

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

external hard drive market data

Units sold / yr: 80K–100K; avg 2,000–2,500/product
Revenue / yr: £6.0M–£7.6M; units × avg price
Conversion rate: 2.3%
Avg BSR: #12
Page quality: 0%
Prime: 98%
Sponsored: 81%
Out of stock: 8.6%
Avg brand age: 54 months
Avg seller age: 172 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

13 flat

Sellers

312

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

40%

Top 20: 84%

Open market

14%

Seagate28%
UnionSine18%
Western Digital13%
ModusTech12%
Toshiba10%
ezekers6%
Open — no brand owns it (7 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top external hard drive search terms

external hard drive1.2M/yr -7.8%1.7% conv.
hard drive745K/yr -2.6%1.3% conv.
external hard drives258K/yr -12.8%0.5% conv.
1tb external hard drive233K/yr -3.0%2.7% conv.
hdd193K/yr -12.0%0.2% conv.
2tb external hard drive164K/yr -21.3%2.4% conv.
external hard drive 1tb195K/yr -28.8%2.8% conv.
portable hard drive141K/yr -8.9%1.6% conv.
4tb external hard drive110K/yr -11.7%2.1% conv.
seagate external hard drive125K/yr -10.9%1.8% conv.

All search terms

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

Top sellers

by 90-day click share

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

UnionSine£23.114.4★51,194 rev

Seagate Portable Drive 2TB External Hard Drive Dark Grey for PC Laptop and Mac Data Rescue Services Amazon Exclusive (STGX2000400)

Seagate£60.914.5★264,395 rev

ModusTech Facet 1TB 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£36.084.1★2,584 rev

Toshiba Canvio Partner 2TB Portable 2.5 External Hard Drive USB 3.2 Mac & Windows compatible. (HDTB520EK3AB)

Toshiba£60.444.5★12,239 rev

Seagate Portable Drive 4TB External Hard Drive Dark Grey for PC Laptop and Mac Data Rescue Services Amazon Exclusive (STGX4000400)

Seagate£90.814.5★264,395 rev

Newest

by launch date

ModusTech 4TB Desktop External Hard Drive (NOT-PORTABLE) Vault USB-C 3.1 (5Gbps) High-Speed HDD for PC Mac Laptop & Console Backup Storage 2-Year Warranty

ModusTech£73.53103 rev

7mo ago

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

Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6GB/s 5.400 RPM 256MB Cache for RAID Network Attached Storage Data Rescue Services (ST4000VNZ06)

Seagate£96.097,068 rev

1y ago

1TB External Hard Drive Portable USB-C/USB 3.0 Plug & Play Ultra-Slim HDD

Meyritech£36.3361 rev

1y ago

What buyers say about external hard drive

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

What buyers love

Quality-Overall14%

“Build quality feels solid and reliable”

Value For Money14%

“Good value for money”

Storage Capacity10%

“Loads of storage”

Data Transfer Speed9%

“transfer speed is good”

Ease Of Use8%

“Very easy to use”

Advertised Vs Actual Product7%

“Exactly as advertised”

Compatibility-Overall4%

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

Assembly/Installation4%

“SIMPLE TO SET UP”

Portability4%

“super portable”

Functionality-Overall2%

“Does work”

What buyers complain about

Durability16%

“Broke very quickly”

Functionality-Overall15%

“It did not turn on”

Connectivity-Overall10%

“constantly disconnects”

Compatibility-Overall7%

“Not compatible”

Value For Money7%

“A little pricey”

Data Transfer Speed5%

“but the transfer speed is so incredibly slow”

Storage Capacity5%

“Not the advertised capacity”

Noise Level5%

“incredibly loud noise”

Quality-Overall4%

“Not good quality”

Advertised Vs Actual Product4%

“False description”

Top return reasons

Compatibility-Overall26%

Functionality-Overall23%

Connectivity-Overall14%

Defective Material/Parts6%

Size-Overall4%

Noise Level4%

Storage Capacity3%

Data Transfer Speed2%

Constant Reboot Or Restart2%

Socket/Port/Plug2%

Common questions

Is external hard drive profitable to sell on Amazon United Kingdom?: The niche generates £7.0M/yr across 42 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (56/100).
How competitive is the external hard drive niche?: 13 brands and 312 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in external hard drive?: Top complaints mined from reviews: Durability, Functionality-Overall, Connectivity-Overall. The return rate is 2.1%.
When does demand for external hard drive peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the external hard drive niche?: Listings span £18.74–£279.04; the average listing price is £75.59 (sweet spot $15–$100). The average incumbent carries 42,477 reviews — the moat a new listing must climb.