Sparklight Speed Test - Check Cable Internet Speed

Test your Sparklight internet speed in United States

www.sparklight.com
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Sparklight, formerly known as Cable One, is a cable and fiber internet provider serving 1.1 million residential and business customers across 24 states. Headquartered in Phoenix, Arizona, Sparklight offers cable internet speeds up to 600 Mbps and fiber where available. Test your Sparklight connection to measure actual download, upload, and latency performance.

About Sparklight

Sparklight was originally established in 1986 as Post-Newsweek Cable, a subsidiary of Graham Holdings Company. The company changed its name to Cable One in 1997 and rebranded its residential services to Sparklight in 2019 to better reflect its internet-focused strategy.

Headquartered in Phoenix, Arizona and publicly traded on the NYSE as CABO, Sparklight serves 1.1 million customers across 24 states. The company uses DOCSIS 3.1 cable technology and is deploying fiber-to-the-home in select markets. In 2025, Sparklight launched mobile service with plans starting at $15 per month.

Sparklight Plans and Services

Sparklight offers several internet plans across different technologies and price points.

Sparklight offers two plan types - FlexConnect prepaid plans with no contract at $45-$75 per month, and Freedom Connect promotional plans starting at $29 per month. FlexConnect 300 delivers 300 Mbps for $45, and FlexConnect 600 provides 600 Mbps for $75 with no deposits or contracts required.

Freedom Connect plans offer lower introductory pricing that increases after the promotional period. Sparklight also offers Lift Internet at $29.95 per month for qualifying low-income families. Mobile service launched in 2025 with plans from $15 to $30 per month.

Sparklight Internet Plans

PlanSpeedPriceFeatures
FlexConnect 300 cable300 Mbps$45/month
  • 300 Mbps download, 30 Mbps upload
  • No contracts or deposits
  • Unlimited data (5 TB soft cap)
FlexConnect 600 cable600 Mbps$75/month
  • 600 Mbps download, 40 Mbps upload
  • No contracts or deposits
  • Unlimited data (5 TB soft cap)
Freedom Connect 300 cable300 Mbps$29/month first 3 months
  • 300 Mbps download speed
  • Promotional intro pricing
  • Unlimited data included
Freedom Connect 600 cable600 Mbps$39/month first year
  • 600 Mbps download speed
  • Auto Pay and Paperless Billing price
  • Unlimited data included

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

Test Your Sparklight Speed

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

Sparklight Speed Test FAQ

How fast is Sparklight internet?

Sparklight offers cable internet speeds from 300 Mbps to 600 Mbps on its standard plans with DOCSIS 3.1 technology. Upload speeds range from 30 to 40 Mbps depending on your plan tier. Fiber service offers faster speeds in select deployment areas. Sparklight uses a cable network backbone with fiber upgrades underway. Actual speeds depend on network congestion in your neighborhood and the time of day.

Does Sparklight have data caps?

Sparklight plans technically include unlimited data, but the company enforces a 5 TB monthly soft cap. If you consistently exceed 5 TB per month, Sparklight may reduce your speeds. For most households, 5 TB is far more than enough for streaming, gaming, and regular usage. The 5 TB threshold is significantly higher than the 1.2 TB caps imposed by some larger cable providers.

Is Sparklight the same as Cable One?

Sparklight is the residential brand name for Cable One. The company rebranded from Cable One to Sparklight in 2019 to emphasize its internet service over traditional cable TV. The parent company Cable One Inc. remains the corporate and investor-facing name traded on NYSE as CABO. Business services may still operate under the Cable One brand in some markets.

How do I test my Sparklight speed?

Use the speed test tool on this page to measure your Sparklight download speed, upload speed, and ping latency. For accurate cable results, connect directly to the modem or gateway using an ethernet cable. Close background streaming and downloads before testing. Cable internet speeds can vary during peak evening hours between 7pm and 11pm due to shared neighborhood bandwidth. Test at different times for a complete performance picture.

Last verified: February 8, 2026

Data source: Sparklight official website, Cable One SEC filings (NYSE: CABO), BroadbandNow