20tb
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Great500avg incumbent reviews — the moat a new listing must climb
Growth
Okay+14.8%90-day search growth — must beat 0% to launch
Market size
Bad$0$0/yr · 5K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Avg price
Bad$570.50avg listing price — sweet spot $15–$100
Price range
Bad$527.53–$632.48cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon Singapore niche tracking, 20tb is a $0/yr Amazon Singapore market (5K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 28/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
20tb market data
- Units sold / yr
- 0–100
- avg 0–100/product
- Revenue / yr
- $0–$57K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #19
- Page quality
- 0%
- Prime
- 50%
- Sponsored
- 25%
- Out of stock
- 50.6%
- Avg brand age
- 64 months
- Avg seller age
- 45 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
9
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Seagate82%
- Toshiba18%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.8% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.4×
Top 20tb search terms
- 20tb hdd2K/yr
- 20tb2K/yr
- hdd 20tb408/yr
Top 20tb 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Seagate$527.534.1★963 rev

Seagate IronWolf Pro 20 TB Enterprise NAS Internal HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID Network Attached Storage (ST20000NT001)
Seagate$558.754.1★383 rev

Seagate IronWolf Pro 2 TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID NAS Rescue Services - Frustration Free Packaging (ST2000NTZ01)
Seagate$563.244.3★70 rev

Toshiba Enterprise HDD 20TB MG10ACA20TE
Toshiba$632.484.4★584 rev
Newest
by launch date
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Seagate$527.53963 rev

Toshiba Enterprise HDD 20TB MG10ACA20TE
Toshiba$632.48584 rev

Seagate IronWolf Pro 20 TB Enterprise NAS Internal HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID Network Attached Storage (ST20000NT001)
Seagate$558.75383 rev

Seagate IronWolf Pro 2 TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID NAS Rescue Services - Frustration Free Packaging (ST2000NTZ01)
Seagate$563.2470 rev
Trending
90-day click momentum
Seagate IronWolf Pro 20 TB Enterprise NAS Internal HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID Network Attached Storage (ST20000NT001)
Seagate$558.754.1★

Seagate IronWolf Pro 2 TB Enterprise Internal NAS HDD CMR 3.5 Inch SATA 6 Gb/s 7 200 RPM 256 MB Cache for RAID NAS Rescue Services - Frustration Free Packaging (ST2000NTZ01)
Seagate$563.244.3★

Toshiba Enterprise HDD 20TB MG10ACA20TE
Toshiba$632.484.4★

Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Seagate$527.534.1★
What buyers say about 20tb
What buyers praise and complain about, mined from review topics.Top return reasons
Common questions
- Is 20tb profitable to sell on Amazon Singapore?
- The niche generates $0/yr across 4 tracked products. 90-day search growth is +14.8%. Flapen's verdict: Skip it (28/100).
- How competitive is the 20tb niche?
- 2 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- When does demand for 20tb peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 2.4× the quietest.
- What does it cost to enter the 20tb niche?
- Listings span $527.53–$632.48; the average listing price is $570.50 (sweet spot $15–$100). The average incumbent carries 500 reviews — the moat a new listing must climb.