6tb surveillance hard drive
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Good822.79avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Returns
Good3.0%return rate — above 5% kills the launch gate
Avg price
Okay$205.25avg listing price — sweet spot $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$220K$220K/yr · 24K searches
Growth
Okay+13.4%90-day search growth — must beat 0% to launch
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$124.57–$550.93cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 6tb surveillance hard drive is a $220K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
6tb surveillance hard drive market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $513K–$616K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #436
- Page quality
- 0%
- Prime
- 43%
- Sponsored
- 64%
- Out of stock
- 0.0%
- Avg brand age
- 70 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
3 flat
Sellers
96
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
0%
- Western Digital64%
- Seagate24%
- MDD MAXDIGITALDATA12%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 34 weeks — +13.4% search growth over the last 90 days.Top 6tb surveillance hard drive search terms
- 6tb surveillance hard drive13K/yr
- wd purple 6tb6K/yr
- seagate skyhawk 6tb3K/yr
- western digital purple 6tb3K/yr
Top 6tb surveillance 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 256 MB Cache 3.5 - WD64PURZ
Western Digital$186.164.4★1,756 rev
Seagate Skyhawk 6TB Video Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST6000VXZ09/009)
Seagate$155.174.4★1,575 rev
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 256 MB Cache 3.5 - WD63PURZ
Western Digital$220.064.5★949 rev
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 64 MB Cache 3.5 - WD60PURZ
Western Digital$205.384.6★1,117 rev
Seagate SkyHawk 6TB Surveillance Internal Hard Drive HDD 3.5 Inch SATA 6GB/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management Frustration Free Packaging (ST6000VX001)
Seagate$215.664.6★890 rev
Newest
by launch dateWestern Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 128 MB Cache 3.5 - WD44PURZ
Western Digital$157.301,756 rev
WD Purple 6TB 3.5 SATA III Internal Surveillance Hard Drive 2-Pack
Western Digital$550.931 rev
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 256 MB Cache 3.5 - WD64PURZ
Western Digital$186.161,756 rev
MDD (MDD6TSATA6472DVR) 6TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5-inch Internal Surveillance Hard Drive - 3 Years Warranty (Renewed)
MDD MAXDIGITALDATA$124.5745 rev
Seagate Skyhawk 6TB Video Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST6000VXZ09/009)
Seagate$155.171,575 rev
Trending
90-day click momentumWD Purple 6TB 3.5 SATA III Internal Surveillance Hard Drive 2-Pack
Western Digital$550.935.0★
Seagate Skyhawk 6TB Surveillance Internal Hard Drive HDD 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management (ST6000VX0023)
Seagate$187.774.5★
Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s 64 MB Cache 3.5 - WD60PURZ
Western Digital$205.384.6★
![WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version]](https://m.media-amazon.com/images/I/41dcwTFIxqL.jpg)
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD60PURX [Old Version]
Western Digital$173.934.5★
Seagate Skyhawk ST6000VX001 6TB 3.5 Internal Hard Drive - SATA
Seagate$197.054.6★
What buyers say about 6tb surveillance hard drive
What buyers praise and complain about, mined from review topics.What buyers love
“this compatible drive is a fantastic value”
“Ive got no complaints”
“Value for money”
“Easy to install”
“Rock-solid reliability for 24/7 security setups”
“It works as advertised”
“User friendly”
“ok. it simply works”
“Its got good speeds, formats fast, and is perfect dimensions for my Unifi system”
“With 6TB of capacity”
What buyers complain about
“Short life”
“Did not spin up on either port”
“I haven't installed it it, I am at a wait and see stance”
“Loud”
“Drive not found on PC with HDD Reader or on the Security camera that it was purchased for”
“Do not believe what is on Amazon website”
“It did not work”
“I am worried this may be a used or referbished item which is not what I paid for”
Top return reasons
Common questions
- Is 6tb surveillance hard drive profitable to sell on Amazon United States?
- The niche generates $220K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.4%. Flapen's verdict: Skip it (37/100).
- How competitive is the 6tb surveillance hard drive niche?
- 3 brands and 96 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 6tb surveillance hard drive?
- Top complaints mined from reviews: Durability, Functionality-Overall, Assembly/Installation. The return rate is 3.0%.
- What does it cost to enter the 6tb surveillance hard drive niche?
- Listings span $124.57–$550.93; the average listing price is $205.25 (sweet spot $15–$100). The average incumbent carries 823 reviews — the moat a new listing must climb.