304xl black
Skip itA small market ($29K/yr) — this niche doesn't clear our bar today.
Conversion
Incredible26.3%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£17.21avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good£11.36–£24.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad90%top-5 brand share — brand-locked demand
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Review moat
Bad10,812.9avg incumbent reviews — the moat a new listing must climb
Competition
Bad76%top-5 click share — a locked-up shelf
Market size
Bad£29K£29K/yr · 6K searches
According to Flapen's Amazon United Kingdom niche tracking, 304xl black is a £29K/yr Amazon United Kingdom market (6K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
304xl black market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- £26K–£34K
- units × avg price
- Conversion rate
- 26.3%
- Avg BSR
- #568
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
75
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
10%
- HP51%
- Neiber11%
- Washope8%
- Economink7%
- SUNPRINTZ7%
- RUDGUZ7%
- Open — no brand owns it (2 brands, 10%)
Demand
Weekly Amazon search volume, last 12 weeks — -5.8% search growth over the last 90 days.Top 304xl black 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
HP 304XL Black High Yield Original Ink Cartridge (N9K08AE) Works with: HP AMP DeskJet 2622 2634 2630 3764 3760 2633 2632 3720 3730 3750 3762 HP ENVY 5010 5020 5030 5032
HP£24.354.6★23,536 rev

Neiber 304XL Ink Cartridge High Yield Remanufactured for HP 304 Black Ink Compatible With Envy 5020 5010 5030 5032 5000 DeskJet 3720 2600 2633 2632 3760 3750 3762 2630 2620 2622 2 Pack
Neiber£19.814.2★206 rev

304 Ink Cartridge Remanufactured for HP 304 Black Ink Cartridge 304XL Black for Envy 5020 5010 5030 5032 5000 DeskJet 3720 2600 2633 2632 3733 2634 3760 3750 3735 3762 2630 2620 2622 (2-Pack)
Economink£19.814.1★322 rev

304XL Ink Cartridges Black High Yield Replacement for HP 304 Black Ink Cartridge Original for HP 304 XL Printer Ink 304XL for DeskJet 2630 2632 2600 3760 3762 2622 3720 Envy 5032 5000 5010 5020 5030
SUNPRINTZ£19.964.4★183 rev

304XL Ink Cartridges Compatible for HP 304 XL Black for HP DeskJet 2620 2622 2630 2632 2633 2634 3720 3730 3733 3735 3750 3760 ENVY 5010 5020 5030 5032 5055 AMP 120 131 Printers (2-Black)
RUDGUZ£19.454.2★134 rev
Newest
by launch date
304XL Black Ink Cartridge Replacement for HP 304 HP304 Black Ink Cartridge High Capacity - Printer Ink for HP304 XL for DeskJet 3760 3762 2600 2630 3700 3720 3750 Envy 5030 5032 5000 AMP 100 (1 Pack)
Cebhink£11.5685 rev

304XL Ink Cartridges Compatible for HP 304 XL Black for HP DeskJet 2620 2622 2630 2632 2633 2634 3720 3730 3733 3735 3750 3760 ENVY 5010 5020 5030 5032 5055 AMP 120 131 Printers (2-Black)
RUDGUZ£19.45134 rev

304XL Black Ink Cartridge Replacement for HP 304 Black Compatible With DeskJet 3760 2600 2630 3700 Envy 5000 5010 5020 Printer scanner
Washope£12.8655 rev

304XL Ink Cartridges Black Replacement for HP 304 Ink Cartridge 304XL Printer Cartridges for Envy 5020 5010 5030 5032 5000 DeskJet 3720 2600 2633 2632 3760 3750 3762 2630 2620 2622 2-Black
Washope£20.97266 rev

304XL Ink Cartridges Black High Yield Replacement for HP 304 Black Ink Cartridge Original for HP 304 XL Printer Ink 304XL for DeskJet 2630 2632 2600 3760 3762 2622 3720 Envy 5032 5000 5010 5020 5030
SUNPRINTZ£19.96183 rev
Trending
90-day click momentum
304XL Black Ink Cartridge Replacement for HP 304 HP304 Black Ink Cartridge High Capacity - Printer Ink for HP304 XL for DeskJet 3760 3762 2600 2630 3700 3720 3750 Envy 5030 5032 5000 AMP 100 (1 Pack)
Cebhink£11.563.8★

Penguin 304 XL Black Ink Cartridge for Deskjet 3760 3750 3720 Envy 5030
Penguin£11.364.3★

Neiber 304XL Ink Cartridge High Yield Remanufactured for HP 304 Black Ink Compatible With Envy 5020 5010 5030 5032 5000 DeskJet 3720 2600 2633 2632 3760 3750 3762 2630 2620 2622 2 Pack
Neiber£19.814.2★

304XL Ink Cartridges Black High Yield Replacement for HP 304 Black Ink Cartridge Original for HP 304 XL Printer Ink 304XL for DeskJet 2630 2632 2600 3760 3762 2622 3720 Envy 5032 5000 5010 5020 5030
SUNPRINTZ£19.964.4★

304XL Ink Cartridges Compatible for HP 304 XL Black for HP DeskJet 2620 2622 2630 2632 2633 2634 3720 3730 3733 3735 3750 3760 ENVY 5010 5020 5030 5032 5055 AMP 120 131 Printers (2-Black)
RUDGUZ£19.454.2★
What buyers say about 304xl black
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Excellent product”
“the print quality is clear for everyday documents”
“Does the trick”
“the cartridges looked promising”
“EASY INSTALLATION”
“100% Flawless Compatibility: Because it is a genuine”
“white with excellent results”
“Brilliant copies no smudging”
“fits well”
What buyers complain about
“once clicked away it hasnt stops the printer working”
“Not compatible”
“expensive”
“Cheap”
“Runs out quickly”
“it is down to last bar on ink level”
“the fact they dry out”
“Ran out after printing fewer than 50 A4 sheets”
“Does not fit in the HP ENVY 5010 as advertised”
“Not enough”
Top return reasons
Common questions
- Is 304xl black profitable to sell on Amazon United Kingdom?
- The niche generates £29K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the 304xl black niche?
- 8 brands and 75 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in 304xl black?
- Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Value For Money. The return rate is 0.6%.
- What does it cost to enter the 304xl black niche?
- Listings span £11.36–£24.35; the average listing price is £17.21 (sweet spot $15–$100). The average incumbent carries 10,813 reviews — the moat a new listing must climb.