Optimum vs. CAS Cable

Which is better where you live? Coverage, speed, price and customer ratings, side by side

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Whether you’re researching Optimum vs. CAS Cable internet service at your current address, comparing internet options for potential locations, or just researching alternatives, this detailed comparison will help you understand which provider best suits you.

Maintained by:Carson WardData & methodology:Wes WardLast updated:October 24, 2026November 4, 2026

Which is better, Optimum or CAS Cable?

CAS Cable is faster where you can get it, but Optimum reaches 172 times as many people, so at most addresses Optimum is the one on offer (and it is cheaper to start). Where both are offered (about 108,501 people), CAS Cable has the faster top speed for 100% of homes.

FasterCAS CableFaster for 100% of homes where both are offered.

Cheaper to startOptimumFrom $30 a month (promotional), then $75, vs $59.95.

Better ratedToo close to callToo few reviews to compare yet (275 and 2).

Available to more peopleOptimum20.8 million people in 21 states, vs 120,892 in 2 states.

Optimum

Price: $35.00 - $300.00 / mo.
Speed: 10 - 8,000 Mbps
Internet Type: Cable and fiber
Rating (Reviews): (279)
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CAS Cable

Price: $59.95 - $109.95 / mo.
Speed: 3,000 Mbps
Internet Type: Cable
Rating (Reviews): (2)
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Optimum vs. CAS Cable at a glance

Measure	Optimum	CAS Cable
Available to	20.8 million people in 21 states	120,892 people in 2 states
Main technology	Cable 100%, fiber 57%	Cable 100%
Top download speed filed with the FCC	8,000 Mbps	3,000 Mbps
Fastest plan we list	8,000 Mbps down, 8,000 Mbps up	3,000 Mbps down, 200 Mbps up
Starting price	$30 a month (promotional), then $75	$59.95 a month
Cheapest plan, first 2 years	Not listed	$1,439 (500 Mbps plan)
Customer rating	3.1 of 5 (275 reviews)	4.5 of 5 (2 reviews)
Rated for speed	3.5 of 5	4.5 of 5
Rated for price	2.8 of 5	4.5 of 5
Where both are offered	About 108,501 people (90% of CAS Cable's area); CAS Cable is faster for 100% of them

Coverage and top speeds: FCC filings; plans and prices: our pricing table; ratings: verified customer reviews on ISP Reports. Check your address for what is offered at your home.

Where Optimum and CAS Cable are available

Optimum and CAS Cable have distinct coverage footprints across the United States. Our interactive map shows exactly where each provider offers service and where they overlap, helping you understand your options.

Both Providers Available | Optimum Available | CAS Cable Available | No Coverage

Optimum currently offers internet service in 3,300 cities and 356 counties across 21 states, reaching approximately 20,813,462 residents. Their service area includes major markets like New York, NY; Brooklyn, NY; and Bronx, NY.

Each provider’s own page has its full coverage map, county by county: Optimum coverage map and CAS Cable coverage map.

Availability changes from one street to the next. Check your address to see whether Optimum, CAS Cable or both are offered at your home.

Optimum vs. CAS Cable Speeds and Technology

Optimum and CAS Cable utilize different network technologies to deliver internet service, resulting in varying speed capabilities across their service areas.

In terms of potential speeds across the country, Optimum offers higher overall speeds, with speeds for most covered areas averaging 4,833 Mbps compared to CAS Cable’s average speed of 3,000 Mbps.

The availability of each provider’s fastest technology varies significantly by location. Optimum’s premium Fiber service reaches 57.1% of their coverage area. Meanwhile, CAS Cable’s top-tier Cable is available to 100.0% of their footprint. Even within the same technology type, speed offerings can vary based on local infrastructure investments.

Optimum vs. CAS Cable Plans and Prices

Below are the current internet plans and pricing details for Optimum and CAS Cable, drawn from our independently maintained pricing database. The source and verification date for each provider's plans are noted beneath the table.

Provider representatives can send plan or pricing updates through our contact page; verified changes publish shortly after review.

Optimum Internet Plans & Pricing

Plan	Monthly Price	Typical Download Speed	Typical Upload Speed	Connection Type
300 Mbps Fiber Internet	$35.00 ($75.00 regular price)	300 Mbps	300 Mbps	Fiber
100 Mbps Internet	$94.99	100 Mbps	5 Mbps	Cable
500 Mbps Fiber Internet	$45.00 ($95.00 regular price)	500 Mbps	500 Mbps	Fiber
300 Mbps Internet	$35.00 ($104.99 regular price)	300 Mbps	20 Mbps	Cable
1 Gig Fiber Internet	$55.00 ($115.00 regular price)	1000 Mbps	1000 Mbps	Fiber
500 Mbps Internet	$45.00 ($124.99 regular price)	500 Mbps	20 Mbps	Cable
2 Gig Fiber Internet	$65.00 ($135.00 regular price)	2000 Mbps	2000 Mbps	Fiber
1 Gig Internet	$55.00 ($144.99 regular price)	1000 Mbps	35 Mbps	Cable
5 Gig Fiber Internet	$200.00	5000 Mbps	5000 Mbps	Fiber
8 Gig Fiber Internet	$300.00	8000 Mbps	8000 Mbps	Fiber

Sourced from pricing published on Optimum's official website, last verified November 2026. These provider-reported typical speeds reflect plan-specific expectations, while speed metrics elsewhere on our site measure maximum available performance across areas. Pricing is subject to change and may not be available in all areas.

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CAS Cable Internet Plans & Pricing

Plan	Monthly Price	Typical Download Speed	Typical Upload Speed	Connection Type
500 MBPS	$59.95	500 Mbps	50 Mbps	Cable
1GIG	$89.95	1000 Mbps	100 Mbps	Cable
3GIG	$109.95	3000 Mbps	200 Mbps	Cable

Sourced from pricing published on CAS Cable's official website, last verified June 2026. These provider-reported typical speeds reflect plan-specific expectations, while speed metrics elsewhere on our site measure maximum available performance across areas. Pricing is subject to change and may not be available in all areas.

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Most households with 3-5 users need download speeds of at least 100 Mbps for smooth streaming, video conferencing, and everyday internet usage. Larger households or those with heavy users (gamers, 4K streamers, or remote workers) should consider plans with speeds of 300 Mbps or more for optimal performance.

Any prices listed are the base service rates and may not include additional charges such as equipment fees, installation costs, or other service-related expenses. For a comprehensive view of all potential charges, refer to our Fees & Details section below.

Optimum vs. CAS Cable Customer Ratings and Reviews

Compare how real customers rate Optimum and CAS Cable based on our comprehensive database of verified customer reviews across all service types.

When comparing customer satisfaction, Optimum earns an overall rating of 3.09 / 5 stars from 279 customer reviews, while CAS Cable maintains a 4.50 / 5 rating from 2 reviews. CAS Cable outperforms Optimum by 1.4 points in overall satisfaction. Optimum’s best-rated service is their Fiber offering at 3.40 / 5 stars, compared to CAS Cable’s highest-rated service, Cable, at 4.50 / 5 stars.

Optimum Ratings & Reviews

Connection

Customer Rating

Fiber

(55)

Cable

(223)

Optimum has an overall rating of 3.09 out of 5, with a total of 279 reviews and ratings across the United States. Their overall satisfaction score places them about on par with other internet providers nationwide.

Looking deeper into Optimum’s ratings, their Cable service (80% of reviews) averages 3.02 / 5 stars, higher than their overall company rating. This similarity suggests that customers tend to have consistent experiences across their different service offerings, an important consideration for customers evaluating different service options from this provider.

For detailed reviews, visit our Optimum Internet Reviews page.

CAS Cable Ratings & Reviews

Connection

Customer Rating

Cable

(2)

CAS Cable has an overall rating of 4.50 out of 5, with a total of 2 reviews and ratings across the United States. Their overall satisfaction score places them higher than other internet providers nationwide.

Looking deeper into CAS Cable’s ratings, their Cable service (100% of reviews) averages 4.50 / 5 stars, equal to their overall company rating. This similarity suggests that customers tend to have consistent experiences across their different service offerings, an important consideration for customers evaluating different service options from this provider.

For detailed reviews, visit our CAS Cable Internet Reviews page.

Optimum vs. CAS Cable Fees and Details

Beyond advertised monthly rates, additional fees and service details significantly impact your total internet costs. The tables below outline equipment charges, installation fees, contract terms, data caps, and other important factors to consider when comparing these providers. Understanding these details helps you avoid unexpected costs and choose the plan that offers the best overall value.

Optimum Service

Fee

Professional Installation Fee

$100

CAS Cable Service

Fee

Not Provided by CAS Cable

Fees vary by plan and location. The fees shown apply to most plans; check with the provider for costs specific to your plan.

When comparing internet providers, remember that advertised prices rarely tell the complete story. Equipment fees alone can add $10-15 per month to your bill, while installation charges, early termination fees, and data overage penalties can significantly increase your total cost of service. Consider these additional costs alongside monthly rates when determining which provider offers the better value for your specific needs.

Optimum vs. CAS Cable Pros and Cons

Optimum

From 175 written customer reviews on ISP Reports and our plan data.

Pros

Fast speeds: praised in 59 of 175 written reviews (39 call it slow). "the connection and internet speeds have been surprisingly good"
Easy installation: praised in 18 of 175 written reviews (11 had install trouble). "the installation was fast and easy"

Cons

Poor customer service: a complaint in 56 of 175 written reviews (22 praise the service). "the representatives read from scripts and are painfully difficult to understand"
Outages and drops: a complaint in 54 of 175 written reviews (34 call it reliable). "I have constant outages in my area"
Expensive for what you get: a complaint in 51 of 175 written reviews (31 call it good value). "The pricing is a bit expensive every month"
Promotional price: starts at $30 a month, rises to $75 after the promotion.

CAS Cable

No written reviews yet; these lines come from our data.

Pros

Faster where both are offered: the faster top speed for 100% of those homes.

Cons

Data caps on some plans.

Optimum vs. CAS Cable Top Cities

Optimum serves 3,300 cities while CAS Cable is available in 58 cities nationwide. The tables below highlight their largest markets and areas where customers can choose between both providers.