DELTA Fiber Speed Test - Netherlands | Kencang

Test your DELTA Fiber internet speed in Netherlands

www.delta.nl
Download -- Mbps
Upload -- Mbps
Ping -- ms

DELTA Fiber is a Dutch fiber-optic internet provider with a network reaching 1.7 million households across the Netherlands. The company offers symmetrical FTTH fiber plans with speeds from 150 Mbps to 2 Gbps using XGS-PON technology, along with interactive TV and telephony services.

About DELTA Fiber

DELTA Fiber was formed in 2017 from the merger of DELTA and Caiway, two regional Dutch fiber operators. The company is owned by EQT Partners, which secured a EUR 2 billion investment to expand the fiber network.

Headquartered in Middelburg in the province of Zeeland, DELTA Fiber focuses on building and operating fiber-to-the-home infrastructure in both urban and rural areas of the Netherlands. Other providers like VodafoneZiggo also offer services over DELTA's network.

DELTA Fiber Plans and Services

DELTA Fiber offers several internet plans across different technologies and price points.

DELTA Fiber plans start at EUR 35 per month for 150 Mbps symmetrical fiber. The 500 Mbps tier costs EUR 45, the 1 Gbps tier is EUR 55, and the fastest 2 Gbps plan costs EUR 65 per month. All plans offer symmetrical upload and download speeds.

TV packages range from EUR 15 to EUR 30 per month for Basis TV, Extra TV, or Unlimited Entertainment. First-year promotional pricing offers discounts starting at EUR 30 per month. Two-year contracts provide additional savings.

DELTA Fiber Internet Plans

PlanSpeedPriceFeatures
DELTA Internet 150 fiber150 MbpsEUR 35.00/month
  • 150 Mbps download and upload
  • Symmetrical fiber speeds
  • Suitable for streaming and browsing
  • Wi-Fi router included
DELTA Internet 500 fiber500 MbpsEUR 45.00/month
  • 500 Mbps download and upload
  • Symmetrical fiber speeds
  • Good for multiple devices
  • Wi-Fi router included
DELTA Internet 1000 fiber1 GbpsEUR 55.00/month
  • 1 Gbps download and upload
  • Symmetrical fiber speeds
  • Ideal for heavy usage and gaming
  • Advanced Wi-Fi router
DELTA Internet 2000 fiber2 GbpsEUR 65.00/month
  • 2 Gbps download and upload
  • XGS-PON technology
  • Fastest speed tier available
  • Advanced Wi-Fi router included

Prices and availability may vary by location. Contact DELTA Fiber for current offers.

DELTA Fiber Coverage by Region

DELTA Fiber performance varies by location. Coverage density, local infrastructure, and network congestion affect speeds in each market.

Zeeland

Coverage: Strong coverage as the original DELTA service region Typical: 150-2000 Mbps depending on plan tier Peak congestion: Minimal congestion due to dedicated fiber lines

DELTA's home base with the most mature fiber infrastructure

South Holland

Coverage: Expanding coverage through former Caiway network areas Typical: 150-1000 Mbps on most connections Peak congestion: Low congestion even during peak evening hours

Includes Westland region where CAI Westland originated in 1981

North Holland

Coverage: Growing coverage from ongoing fiber rollout program Typical: 150-500 Mbps in newly connected areas Peak congestion: Minimal as new fiber infrastructure handles traffic well

Expansion areas funded by the EQT and Stonepeak investment

Flevoland

Coverage: Limited coverage with expansion in progress Typical: 150-500 Mbps where available Peak congestion: Very low congestion in newly built fiber zones

Part of DELTA's goal to reach 2 million addresses

Is DELTA Fiber Right for You?

Every provider has trade-offs. Here is how DELTA Fiber performs based on real-world usage and customer feedback.

Strengths

  • Symmetrical fiber speeds up to 2 Gbps on all plans
  • XGS-PON technology delivers consistent low-latency connections
  • Competitive pricing starting at EUR 35 per month for 150 Mbps
  • Own fiber infrastructure across 1.7 million Dutch households
  • First-year promotional pricing with discounts from EUR 30 per month
  • No shared bandwidth - dedicated fiber line to each home
  • TV and telephony bundles available on the same fiber connection

Weaknesses

  • Coverage limited to areas where DELTA Fiber network is built
  • Not available in major cities like Amsterdam or Rotterdam
  • Maximum speed of 2 Gbps while competitors offer up to 8 Gbps
  • Customer service primarily in Dutch language only
  • Two-year contracts required for best pricing

Best For

  • Households in Zeeland and South Holland wanting fast fiber
  • Remote workers needing symmetrical upload and download speeds
  • Families streaming on multiple devices at the same time
  • Gamers wanting low-latency fiber connections
  • Small businesses in DELTA Fiber coverage areas

Not Ideal For

  • Customers outside DELTA Fiber coverage regions
  • Users wanting the fastest speeds above 2 Gbps
  • People who prefer month-to-month contracts without commitment
  • English-speaking expats needing English customer support

How DELTA Fiber Compares

Side-by-side comparison of DELTA Fiber against major competitors in Netherlands.

CompetitorSpeedPriceCoverageVerdict
KPNDELTA Fiber maxes out at 2 Gbps symmetrical. KPN reaches 4 Gbps on XGS-PON. Both offer symmetrical speeds on fiber plans.DELTA starts at EUR 35 for 150 Mbps. KPN starts at EUR 37.50 for 100 Mbps. DELTA is cheaper per Mbps across all tiers.KPN covers nearly 70% of Dutch households with fiber. DELTA Fiber reaches 1.7 million homes, mainly in Zeeland and South Holland.Choose DELTA for better value in its coverage areas. Choose KPN for wider availability and faster top speeds.
ZiggoDELTA offers up to 2 Gbps symmetrical. Ziggo offers up to 2 Gbps download but upload speeds are much lower at 10-50 Mbps.DELTA 150 Mbps fiber costs EUR 35. Ziggo 300 Mbps cable starts at EUR 47.50. DELTA offers better upload value.Ziggo cable reaches nearly 7 million Dutch households. DELTA Fiber covers 1.7 million homes in selected regions.Choose DELTA for symmetrical speeds and better upload. Choose Ziggo for wider national coverage.

Troubleshooting DELTA Fiber Issues

Common DELTA Fiber connection problems and how to fix them.

Fiber speeds are slower than the subscribed plan

Cause: Wi-Fi interference, outdated router firmware, or too many connected devices can reduce speeds below the plan tier.

  1. Connect your device directly to the DELTA router with an ethernet cable
  2. Restart the DELTA fiber router by unplugging for 30 seconds
  3. Check for router firmware updates in the DELTA router admin panel
  4. Move the router to a central location away from walls and appliances
  5. Reduce the number of devices connected simultaneously

Internet connection drops intermittently throughout the day

Cause: Fiber signal issues, router overheating, or network maintenance can cause periodic disconnections.

  1. Restart the router and wait two minutes for full reconnection
  2. Check DELTA service status page for planned maintenance in your area
  3. Make sure the fiber cable is securely connected to the ONT device
  4. Place the router in a well-ventilated area to prevent overheating
  5. Contact DELTA support if drops persist after router restart

Wi-Fi signal does not reach all rooms in the house

Cause: Thick walls, long distances, and interference from other devices weaken Wi-Fi signals in larger homes.

  1. Position the router in a central location on the main floor
  2. Use the 5 GHz band for faster speeds in nearby rooms
  3. Add a Wi-Fi mesh system or repeater for distant rooms
  4. Avoid placing the router near microwaves or cordless phones

DELTA Fiber History

Key milestones in DELTA Fiber development and network expansion.

1981

Seven municipalities in Westland build shared television network CAI Westland

1985

Zekatel, a subsidiary of DELTA N.V., builds cable network in Zeeland

1995

CAIW becomes one of the first Dutch cable providers to offer internet

2017

EQT Infrastructure acquires CIF and CAIW to form DELTA Fiber Netherlands

2018

CIF and CAIW merge into one holding company DELTA Fiber Netherlands on 1 August

2021

Stonepeak joins EQT as co-investor in DELTA Fiber

2022

DELTA Fiber sets target to reach 2 million Dutch addresses by 2025

2025

Network reaches 1.7 million connected households with ongoing fiber expansion

Test Your DELTA Fiber Speed

Run a free speed test to check if DELTA Fiber delivers the speeds you are paying for. Test during peak evening hours for the most realistic results. Compare your results against DELTA Fiber advertised speeds above.

DELTA Fiber Speed Test FAQ

How fast is DELTA Fiber internet?

DELTA Fiber offers symmetrical download and upload speeds from 150 Mbps to 2 Gbps on FTTH fiber-to-the-home connections. The top tier uses XGS-PON technology for 2 Gbps symmetrical speeds. Actual performance depends on your router, device, and whether you connect via ethernet or Wi-Fi. Symmetrical speeds mean upload is the same as download, which is excellent for video conferencing, cloud storage, and working from home.

Where is DELTA Fiber available in the Netherlands?

DELTA Fiber serves approximately 1.7 million households across the Netherlands. The network is strongest in Zeeland, South Holland, and other regions where DELTA and Caiway historically operated. DELTA Fiber continues to expand into new areas through its fiber construction program funded by the EUR 2 billion investment from EQT Partners. You can check fiber availability at your address using the postcode checker on the DELTA website.

Does DELTA Fiber offer TV services?

DELTA offers interactive TV packages alongside internet subscriptions. Options include Basis TV with essential channels, Extra TV with more channels and recording capability, and Unlimited Entertainment with premium content. TV packages range from EUR 15 to EUR 30 per month added to your internet subscription. DELTA TV is delivered over fiber using IPTV technology, so picture quality depends on your internet speed tier.

How do I test my DELTA Fiber speed?

Use the speed test tool on this page to measure your DELTA Fiber download speed, upload speed, and latency. Since DELTA provides symmetrical fiber, your upload speed should be close to your download speed. Connect via ethernet to the DELTA router for the most accurate measurements. Close background applications and other connected devices before testing. Run multiple tests at different times for a reliable average.

Last verified: February 8, 2026

Data source: DELTA Fiber official website, Dutch telecom market reports