- Flapen Score
- 28 / 100Ranks 180 of 287 Electronics niches · −4 vs the category median of 3228
- Market size
- $0/yr5K searches / yr
- 90-day growth
- +14.8%search demand this quarter
- Competition
- 100%top-5 click share · 2 brands · 9 sellers
Flapen Score
20tb against its category
The dotted line is the Electronics average. Past it, 20tb is stronger. Inside it, weaker.
Market
The 20tb market on Amazon at a glance
Shoppers on Amazon Singapore searched for 20tb 5K times last year and spent an estimated $0. All 2 brands take every click. Demand peaks in Oct–Nov–Dec. Flapen scores it 28 out of 100, a Fail.
01 · Demand
An estimated 0.0% of those searches ended in a purchase.
Shoppers searched for this 5K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 0.0% of those searches ended in a purchase. Searches in the last 90 days moved +14.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $0 a year.
- Searches, last 12 months
- 5K
- Growth, 90 days vs prior 90
- +14.8%
- Conversion, latest week
- 0.0%
- Market size, estimated
- $0a year
- Peak month
- November2.4× the quietest month
- Top search term
- 20tb hdd2K searches a year
02 · Price
A sale here is worth $570.50.
Listings sell for $570.50 on average, from $527.53 to $632.48. Amazon reports units sold in ranges. This niche sold 0 to 100 a year. The average listing sells 0 to 100 of them. At $570.50 that is $0 to $57K a year per listing.
- Average price
- $570.50above the $15 to $100 sweet spot
- Price range
- $527.53–$632.48
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 0–100
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$57K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is low.
25% of listings pay for placement with sponsored ads. 50% ship with Prime. On an average day, 50.6% of listings are out of stock. The average listing ranks #19 within Electronics. It carries 500 reviews at 4.23 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 25%
- Prime listings
- 50%
- Out of stock, average day
- 50.6%
- Average rank
- #19in Electronics
- Average rating
- 4.23 starsAmazon Singapore average 4.47 stars
- Average reviews
- 500per listing
- Listings tracked
- 4
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 64 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 64 months
Products
Top 20tb products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
- Price
- $527.53
- Rating
- 4.1/5
- Reviews
- 963
- Age
- 2y ago

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)
- Price
- $558.75
- Rating
- 4.1/5
- Reviews
- 383
- Age
- 3y ago

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)
- Price
- $563.24
- Rating
- 4.3/5
- Reviews
- 70
- Age
- 3y ago

Toshiba Enterprise HDD 20TB MG10ACA20TE
- Price
- $632.48
- Rating
- 4.4/5
- Reviews
- 584
- Age
- 3y ago
Trending
estimated 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)
- Price
- $558.75
- Rating
- 4.1/5
- Reviews
- 383
- Age
- 3y ago

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)
- Price
- $563.24
- Rating
- 4.3/5
- Reviews
- 70
- Age
- 3y ago

Toshiba Enterprise HDD 20TB MG10ACA20TE
- Price
- $632.48
- Rating
- 4.4/5
- Reviews
- 584
- Age
- 3y ago

Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
- Price
- $527.53
- Rating
- 4.1/5
- Reviews
- 963
- Age
- 2y ago
Newest
by launch date
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
- Price
- $527.53
- Rating
- 4.1/5
- Reviews
- 963
- Age
- 2y ago

Toshiba Enterprise HDD 20TB MG10ACA20TE
- Price
- $632.48
- Rating
- 4.4/5
- Reviews
- 584
- Age
- 3y ago

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)
- Price
- $558.75
- Rating
- 4.1/5
- Reviews
- 383
- Age
- 3y ago

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)
- Price
- $563.24
- Rating
- 4.3/5
- Reviews
- 70
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
2 falling
Sellers
9
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- Seagate82%
- Toshiba18%
Demand
20tb search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 2.4×
Search terms
Top 20tb search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 20tb hdd2K/yr
- 20tb2K/yr
- hdd 20tb408/yr
Reviews and returns
What reviews say buyers love and hate about 20tb
We read the reviews and the return reasons for every product selling here.
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
1 topic
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 20tb questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









