16tb hard drive
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Returns
Good2.5%return rate — above 5% kills the launch gate
Market size
Good£412K£412K/yr · 213K searches
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£238.68avg listing price — sweet spot $15–$100
Review moat
Bad5,924.83avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.6%90-day search growth — must beat 0% to launch
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Price range
Bad£76.90–£412.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, 16tb hard drive is a £412K/yr Amazon United Kingdom market (213K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
16tb hard drive market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- £597K–£716K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #17
- Page quality
- 0%
- Prime
- 74%
- Sponsored
- 61%
- Out of stock
- 4.7%
- Avg brand age
- 42 months
- Avg seller age
- 171 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
3 flat
Sellers
397
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
61%
Top 20: 97%
Open market
0%
- Seagate86%
- Western Digital13%
- Toshiba2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top 16tb hard drive search terms
- 16tb hard drive46K/yr
- seagate ironwolf41K/yr
- seagate ironwolf pro21K/yr
- ironwolf19K/yr
- 16tb hdd17K/yr
- 16tb external hard drive11K/yr
- 16tb14K/yr
- ironwolf pro15K/yr
- 16 tb hard drive5K/yr
- hard drive 16tb6K/yr
Top 16tb 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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£96.094.6★7,068 rev

Seagate IronWolf Pro 16TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 7.200 RPM 256MB Cache for RAID NAS Data Rescue Services Frustration Free Packaging (ST16000NTZ01)
Seagate£303.114.5★987 rev

Seagate IronWolf Pro 8TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 7.200 RPM 256MB Cache for RAID NAS Data Rescue Services Frustration Free Packaging (ST8000NTZ01)
Seagate£191.244.5★987 rev

Seagate Expansion Desktop 16TB External Hard Drive USB 3.0 Data Rescue Services (STKP16000400)
Seagate£227.494.3★18,468 rev

Seagate IronWolf 8TB Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 5.400 RPM 256MB Cache Data Rescue Services (ST8000VNZ02)
Seagate£162.484.6★7,068 rev
Newest
by launch date
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

Seagate IronWolf Pro 8TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 7.200 RPM 256MB Cache for RAID NAS Data Rescue Services Frustration Free Packaging (ST8000NTZ01)
Seagate£191.24987 rev

Seagate IronWolf 8TB Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 5.400 RPM 256MB Cache Data Rescue Services (ST8000VNZ02)
Seagate£162.487,068 rev

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

Seagate Expansion Desktop 20TB External Hard Drive USB 3.0 Data Rescue Services (STKP20000400)
Seagate£272.3818,468 rev
Trending
90-day click momentum
Seagate Exos 28TB internal server hard drive ST28000NM000C 3.5 HDD SATA 6Gb/s 7200RPM 512MB Cache (Renewed)
Seagate£371.754.2★

Seagate IronWolf Pro 14 TB Enterprise NAS Internal HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID Network Attached Storage 3 year Rescue Services (ST14000NT001)
Seagate£342.134.0★

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★

WD 16TB 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£270.564.3★

Seagate IronWolf Pro 12TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6GB/s 7.200 RPM 256MB Cache for RAID NAS Data Rescue Services Frustration Free Packaging (ST12000NTZ01)
Seagate£290.144.5★
What buyers say about 16tb hard drive
What buyers praise and complain about, mined from review topics.What buyers love
“Decent value for good product”
“durable”
“lots of space”
“Works as expected”
“Easy to install”
“easy to setup, decent transfer and access rates”
“They works perfectly with little noise”
“Works well in Synology NAS”
“Decent quality, durable”
“Good for expansion”
What buyers complain about
“Broke after three days”
“Ridiculously loud”
“SATA or SAS ERROR”
“Didn't work, returned”
“Its not cheap”
“Do not buy this if you have important data to store”
“Doesn't feel rugged”
“Data speed transfer could have been a bit faster”
“it dropped one star because this one was used”
“Deceptive multi-buy policy”
Top return reasons
Common questions
- Is 16tb hard drive profitable to sell on Amazon United Kingdom?
- The niche generates £412K/yr across 23 tracked products. 90-day search growth is -19.6%. Flapen's verdict: Skip it (36/100).
- How competitive is the 16tb hard drive niche?
- 3 brands and 397 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 16tb hard drive?
- Top complaints mined from reviews: Durability, Noise Level, Advertised Vs Actual Product. The return rate is 2.5%.
- When does demand for 16tb hard drive peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the 16tb hard drive niche?
- Listings span £76.90–£412.84; the average listing price is £238.68 (sweet spot $15–$100). The average incumbent carries 5,925 reviews — the moat a new listing must climb.