1 tb
Skip itA deep review moat (103,184 avg reviews) — this niche doesn't clear our bar today.
Avg price
Great$77.94avg listing price — sweet spot $15–$100
Price range
Good$53.68–$135.57cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.8%return rate — above 5% kills the launch gate
Growth
Okay+13.6%90-day search growth — must beat 0% to launch
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$201K$201K/yr · 81K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
Competition
Bad94%top-5 click share — a locked-up shelf
Review moat
Bad103,184.14avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, 1 tb is a $201K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 34/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
1 tb market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- $312K–$390K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #4
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
111
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
94%
Top 20: 100%
Open market
0%
- Seagate68%
- UnionSine14%
- YOTUO7%
- Sandisk5%
- Maxone3%
- TOSHIBA3%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.6% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.4×
Top 1 tb search terms
- 1tb drive22K/yr
- 1 tb storage10K/yr
- 1 tb drive11K/yr
- seagate external hard drive 1tb9K/yr
- seagate 1tb external hard drive9K/yr
- seagate 1tb8K/yr
- memoria 1tb7K/yr
- seagate portable 1tb external hard drive hdd3K/yr
- seagate 1 tb external hard drive3K/yr
Top 1 tb 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Seagate Portable 1TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox 1-Year Rescue Service (STGX1000400) Black
Seagate$71.324.6★272,007 rev

UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)
UnionSine$66.324.4★2,061 rev

Seagate Portable 2TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox -1-Year Rescue Service (STGX2000400)
Seagate$89.294.6★272,007 rev

YOTUO 1TB External Hard Drive Portable Storage Expansion HDD USB 3.0 & USB-C for PC Mac Desktop Laptop Smartphone PS4 Xbox One Xbox 360 Office & Game
YOTUO$60.744.4★2,304 rev

SANDISK 1TB Extreme Portable SSD (Old Model) - Up to 1050MB/s USB-C USB 3.2 Gen 2 IP65 Water and Dust Resistance Updated Firmware - External Solid State Drive - SDSSDE61-1T00-G25
Sandisk$135.574.6★91,348 rev
Newest
by launch date
UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)
UnionSine$66.322,061 rev

Toshiba Canvio Basics 1TB Portable External Hard Drive USB 3.0 Black - HDTB510XK3AA
TOSHIBA$68.6420,858 rev

YOTUO 1TB External Hard Drive Portable Storage Expansion HDD USB 3.0 & USB-C for PC Mac Desktop Laptop Smartphone PS4 Xbox One Xbox 360 Office & Game
YOTUO$60.742,304 rev

SANDISK 1TB Extreme Portable SSD (Old Model) - Up to 1050MB/s USB-C USB 3.2 Gen 2 IP65 Water and Dust Resistance Updated Firmware - External Solid State Drive - SDSSDE61-1T00-G25
Sandisk$135.5791,348 rev

Seagate Portable 2TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox -1-Year Rescue Service (STGX2000400)
Seagate$89.29272,007 rev
Trending
90-day click momentum
UnionSine 1TB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC Mac Laptop PS4 Xbox one Xbox 360-(Black)
UnionSine$66.324.4★

YOTUO 1TB External Hard Drive Portable Storage Expansion HDD USB 3.0 & USB-C for PC Mac Desktop Laptop Smartphone PS4 Xbox One Xbox 360 Office & Game
YOTUO$60.744.4★

Seagate Portable 2TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox -1-Year Rescue Service (STGX2000400)
Seagate$89.294.6★

Seagate Portable 1TB External Hard Drive HDD USB 3.0 for PC Mac PlayStation & Xbox 1-Year Rescue Service (STGX1000400) Black
Seagate$71.324.6★

SANDISK 1TB Extreme Portable SSD (Old Model) - Up to 1050MB/s USB-C USB 3.2 Gen 2 IP65 Water and Dust Resistance Updated Firmware - External Solid State Drive - SDSSDE61-1T00-G25
Sandisk$135.574.6★
What buyers say about 1 tb
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Price was fair”
“Large capacity”
“As advertised”
“easy to handle”
“Fast data transfer speeds”
“Xbox series S compatible”
“flawless install”
“Good portability,”
“Reliable and durable”
What buyers complain about
“Does not last”
“Barely worked”
“this is not compatible”
“Bad quality”
“Somehow, it had come loose and came out of the connection hole”
“This isnt cheap so recommend looking into this prior to purchasing”
“Slow Transfer Speed”
“Falsely advertised”
“just needed more capacity”
“Hard to use”
Top return reasons
Common questions
- Is 1 tb profitable to sell on Amazon United States?
- The niche generates $201K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.6%. Flapen's verdict: Skip it (34/100).
- How competitive is the 1 tb niche?
- 6 brands and 111 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in 1 tb?
- Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 2.8%.
- When does demand for 1 tb peak?
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 3.4× the quietest.
- What does it cost to enter the 1 tb niche?
- Listings span $53.68–$135.57; the average listing price is $77.94 (sweet spot $15–$100). The average incumbent carries 103,184 reviews — the moat a new listing must climb.