4 Bay Nas
FailPrices span $107.44–$672.23, mostly outside the sweet spot, so 4 Bay Nas is a Fail.
- Flapen Score
- 33 / 100Ranks 7,120 of 8,347 Electronics niches · −10 vs the category median of 4333
- Market size
- $90K/yr96K searches / yr
- 90-day growth
- -13.7%search demand this quarter
- Competition
- 50%top-5 click share · 10 brands · 88 sellers
Flapen Score
4 Bay Nas against its category
The dotted line is the Electronics average. Past it, 4 Bay Nas is stronger. Inside it, weaker.
Market
The 4 Bay Nas market on Amazon at a glance
Shoppers on Amazon United States searched for 4 Bay Nas 96K times last year and spent an estimated $90K. The top 5 brands take 87% of clicks. Demand peaks in Jan–Feb–Apr–Dec. Flapen scores it 33 out of 100, a Fail.
01 · Demand
An estimated 0.3% of those searches ended in a purchase.
Shoppers searched for this 96K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved -13.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $90K a year.
- Searches, last 12 months
- 96K
- Growth, 90 days vs prior 90
- -13.7%
- Conversion, latest week
- 0.3%
- Market size, estimated
- $90Ka year
- Peak month
- January20.9× the quietest month
- Top search term
- 4 bay nas57K searches a year
02 · Price
A sale here is worth $346.19.
Listings sell for $346.19 on average, from $107.44 to $672.23. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $346.19 that is $0 to $35K a year per listing.
- Average price
- $346.19above the $15 to $100 sweet spot
- Price range
- $107.44–$672.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$35K
- Returns
- 4.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
82% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 11.2% of listings are out of stock. The average listing ranks #39 within Hard Drive Accessories. It carries 439 reviews at 4.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 100%
- Out of stock, average day
- 11.2%
- Average rank
- #39in Hard Drive Accessories
- Average rating
- 4.29 starsAmazon United States average 4.42 stars
- Average reviews
- 439per listing
- Listings tracked
- 22
04 · Newcomers
9 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 9 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 9
- Successful launches
- 9Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top 4 Bay Nas 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 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
UGREEN NAS DH4300 Plus 4-Bay Support Capacity up to 128TB (Diskless)
- Price
- $365.35
- Rating
- 4.4/5
- Reviews
- 840
- Age
- 12mo ago

TERRAMASTER D4-320 External Hard Drive Enclosure - 4bay USB 3.2 Gen2 10Gbps Type-C USB Storage Hot Swappable Plug and Play (Diskless)
- Price
- $171.84
- Rating
- 4.2/5
- Reviews
- 547
- Age
- 2y ago

Synology DS423 Family & Business Backup - Secure File Sharing Photo Vault & Video Surveillance (4-Bay Diskless NAS)
- Price
- $365.59
- Rating
- 4.5/5
- Reviews
- 913
- Age
- 3y ago

Yxk Zero1 Pro 4-Bay Desktop NAS Intel N100 Quad-Core CPU Enthusiasts Home & Office NAS Storage for Different OS 8GB RAM 2 * M.2 NVMe Slots 2 * 2.5GbE 4K HDMI Network Attached Storage (Diskless)
- Price
- $298.95
- Rating
- 4.0/5
- Reviews
- 15
- Age
- 1y ago

UGREEN NAS DXP4800 Plus 4-Bay NAS Intel Pentium Gold 8505 5-Core CPU
- Price
- $587.13
- Rating
- 4.5/5
- Reviews
- 636
- Age
- 1y ago
Trending
estimated 90-day click momentum
UGREEN NAS DXP4800 GT 4-Bay Desktop NAS AMD R2514 CPU 8GB DDR4 RAM
- Price
- $572.22
- Rating
- 4.6/5
- Reviews
- 101
- Age
- 1mo ago

Yxk Zero1 Pro 4-Bay Desktop NAS Intel N100 Quad-Core CPU Enthusiasts Home & Office NAS Storage for Different OS 8GB RAM 2 * M.2 NVMe Slots 2 * 2.5GbE 4K HDMI Network Attached Storage (Diskless)
- Price
- $298.95
- Rating
- 4.0/5
- Reviews
- 15
- Age
- 1y ago

QNAP TS-433-4G-US 4 Bay NAS with Quad-core Processor 4 GB DDR4 RAM and 2.5GbE Network (Diskless)
- Price
- $407.62
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 3mo ago

UGREEN NAS DXP4800 Pro 4-Bay Desktop Network Attached Storage (Diskless)
- Price
- $672.23
- Rating
- 4.5/5
- Reviews
- 1,075
- Age
- 5mo ago

Synology DS223 Home & Office Backup Hub - Centralize Files Protect Data & Monitor Property (2-Bay Diskless NAS)
- Price
- $275.41
- Rating
- 4.5/5
- Reviews
- 913
- Age
- 3y ago
Newest
by launch date
UGREEN NAS DXP4800 GT 4-Bay Desktop NAS AMD R2514 CPU 8GB DDR4 RAM
- Price
- $572.22
- Rating
- 4.6/5
- Reviews
- 101
- Age
- 1mo ago

QNAP TS-433-4G-US 4 Bay NAS with Quad-core Processor 4 GB DDR4 RAM and 2.5GbE Network (Diskless)
- Price
- $407.62
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 3mo ago

UGREEN NAS DXP4800 Pro 4-Bay Desktop Network Attached Storage (Diskless)
- Price
- $672.23
- Rating
- 4.5/5
- Reviews
- 1,075
- Age
- 5mo ago

UGREEN NAS DH2300 2-Bay Desktop NASync Support Capacity 64TB (Diskless)
- Price
- $185.05
- Rating
- 4.4/5
- Reviews
- 840
- Age
- 9mo ago

Asustor Drivestor 4 Gen 2 AS1204T 4 Bay NAS Quad-Core 1.7GHz CPU 2.5GbE Port 1GB DDR4 3 USB 3.0 Best Budget Home Cloud Small Office Backup 4K Media Center Network Attached Storage (Diskless)
- Price
- $276.39
- Rating
- 4.2/5
- Reviews
- 8
- Age
- 9mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.
Brands
10 rising
Sellers
88
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
50%
Top 20: 98%
Open market
8%
- UGREEN36%
- TERRAMASTER19%
- Synology17%
- Yxk8%
- Asustor8%
- QNAP5%
- Open — no brand owns it (4 brands, 8%)
Demand
4 Bay Nas search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Apr, Dec · busiest ÷ quietest = 20.9×
Search terms
Top 4 Bay Nas search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 4 bay nas57K/yr
- nas 4 bay25K/yr
- nas 4-bay6K/yr
- 4bay nas6K/yr
- 4-bay nas3K/yr
Reviews and returns
What reviews say buyers love and hate about 4 Bay Nas
We read the reviews and the return reasons for every product selling here.
“Noisy”
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.
18 topics
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 4 Bay Nas 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









