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Deciding Whether to Rent or Buy a Modem or Router

Deciding Whether to Rent or Buy a Modem or Router
  • Modems establish a connection between your devices and your internet service provider (ISP), while routers enable your devices to connect to your Wi-Fi network.
  • Opting to rent a modem and router from your ISP offers convenience and often includes free technical support. However, some ISPs impose significant monthly fees for this service.
  • Purchasing your own modem can lead to substantial long-term savings, so it's worth considering our recommended modem choices.

When establishing your home network, it's important to consider whether renting or buying a modem and router is the right choice for you. The annual rental fees you pay could amount to the cost of owning your own equipment. However, the decision ultimately depends on different factors and situations.

Our extensive guide offers valuable information to help you make an informed choice. But before delving into the specifics, let's begin with the basics.

Differentiating a Modem from a Wi-Fi Router

To access the internet, it is necessary to have both a modem and a Wi-Fi router. People often mix up modems and routers because ISPs commonly provide combination devices that perform both functions. Nonetheless, modems and routers are distinct technologies with specific roles, which we will explain in detail below.


Modems serve the purpose of connecting your Wi-Fi network to your internet service provider (ISP). They play a crucial role in translating the digital signals from your ISP into a format that can be accessed by your wired or wireless devices for internet connectivity. Similar to computers, modems establish a connection to your router using an ethernet connection. Typically, modems feature two connection ports: one for linking with your ISP and another for connecting to your Wi-Fi router. There are three main types of modems available:

  • Digital subscriber line (DSL): This type of modem establishes a connection between a router and an existing telephone line via a phone jack. It enables internet access over the telephone line infrastructure.
  • Cable: Cable modems utilize coaxial cables to receive data from an ISP, providing high-speed internet access. They are commonly used in conjunction with cable TV connections.
  • Fiber-optic or optical network terminal (ONT): Considered the most advanced type of modem, an ONT employs fiber-optic cables for transmitting signals. Fiber-optic technology offers incredibly fast and reliable internet speeds, making it a preferred choice for users with demanding connectivity requirements.

By understanding the different modem types and their respective functionalities, you can select the most suitable option based on your specific needs and the availability of internet services in your area.


Routers play a crucial role in connecting your devices to a modem using an ethernet cable. Their primary function is to create a Wi-Fi network that enables multiple devices within your home to connect wirelessly and simultaneously access the internet. By utilizing a range of frequencies, known as the wireless band, routers transmit data from the modem to your devices. There are three main types of routers available, categorized based on the wireless band they support:

  • Single-band routers: These routers operate on either the 2.4 GHz band or the 5 GHz band. They provide basic Wi-Fi connectivity and are suitable for everyday internet usage in smaller households
  • Dual-band routers: These routers utilize both the 2.4 GHz band and the 5 GHz band simultaneously. This allows for better performance and less interference, making them ideal for homes with multiple devices and high-bandwidth activities like streaming and gaming
  • Tri-band routers: These advanced routers employ the 2.4 GHz band and two separate 5 GHz bands. The additional 5 GHz band enhances network capacity and can handle even more devices and bandwidth-intensive tasks efficiently.

To enhance your Wi-Fi network speed, it is recommended to use a dual-band or tri-band router, as they offer improved performance and flexibility.

While routers facilitate wireless connectivity, it's important to note that they cannot send or receive data without a modem. Modems are essential for establishing the connection between your network and the internet service provider. It is possible to have a modem without a router, but not the other way around. Some ISPs simplify the process by offering a combined modem-and-router device, often referred to as a gateway, which streamlines the renting or purchasing process and saves space by consolidating two separate devices into one.

Understanding the distinction between modems and routers enables you to make informed decisions when setting up your home network, ensuring optimal internet connectivity for your devices.

Comparing the choice between renting and purchasing a modem and router

The decision to rent or buy a modem in the United States in 2020 had significant financial implications, as the average monthly cost for renting a modem amounted to nearly $10, whereas purchasing a modem carried an average price tag of $127. The choice between renting and buying could have a considerable impact on one's finances, depending on their specific requirements and budget.




Minimal upkeep expenses and complimentary technical assistance

Well-suited for temporary residential arrangements

Frequent software updates provided at no additional charge within the rental package

No-cost replacements offered for faulty devices

Over the course of time, the cumulative monthly rental fees can become significant

It is not possible to sell or utilize the modem with a different internet service provider (ISP)

The costs involved are prone to modifications or fluctuations.

There is a possibility of receiving outdated hardware as part of the rental agreement




Having a compatible modem and router that you own makes it more convenient to switch internet service providers (ISPs)

There is a wider range of high-performance modem and router options available for purchase

It involves a single upfront investment

The initial costs are higher compared to renting

There is no technical support provided by the internet service provider (ISP)

There might be a need for professional assistance, potentially leading to additional charges for installation

Purchasing a modem

The cost of modems varies depending on the brand and type. While purchasing a modem requires a higher upfront investment, it often leads to long-term savings. One advantage of owning a modem is the flexibility to use it with any ISP as long as it is approved and compatible with their service. Additionally, when you no longer need the modem, you can resell it.

Before buying a modem, consider the following factors:

Internet Connection Type: Ensure that the modem you choose is compatible with your specific internet connection type. For example, if you have a cable internet connection, you will need a modem that is compatible with cable services. Check the specifications and consult with customer service if necessary.

Data Over Cable Service Interface Specification (DOCSIS): Look for modems that support the latest DOCSIS standards. DOCSIS allows high-speed data transfer over coaxial cables. The current DOCSIS rating is 3.1, which offers faster speeds and improved performance.

Speed and Bandwidth: Consider the speed and bandwidth capabilities of the modem. Higher Mbps (megabits per second) generally indicate faster internet speeds. Assess your internet usage, the number of devices connected, and the activities performed to ensure the modem can handle your requirements.

Taking these factors into account will help you make an informed decision when choosing a modem that suits your needs and provides optimal performance.

Purchasing a router

Understanding the technical aspects of routers can be overwhelming, but having some basic knowledge can be helpful when purchasing one. It's important to choose a router that can handle the same speeds as your modem. Here are some factors to consider:

Network Type: Routers generate Wi-Fi networks and operate on different standards.  

  • The most advanced and fastest network type currently available is 802.11ac. It offers exceptional speed and is compatible with older 802.11n devices. If you have numerous devices that rely on wireless connectivity, this is the optimal choice. Additionally, it provides enhanced security features, ensuring a more secure Wi-Fi network.
  • 802.11n is an older network standard that supports speeds of up to 600 Mbps. Although it may not match the speed of 802.11ac, which can achieve a throughput of 1 Gbps, it compensates with an extended range. This makes it suitable for scenarios where a broader coverage area is required.

Beamforming: Beamforming is a technology that directs wireless signals towards specific devices, optimizing signal strength. This feature is particularly beneficial for devices located far from the router or in areas with poor signal coverage. It compensates for reduced broadcast areas in newer routers supporting the 5 GHz band of 802.11ac and 802.11n.

Dual-Band: Dual-band routers offer both 2.4 GHz and 5 GHz frequency bands, allowing you to connect devices to different bands based on their compatibility and requirements. This helps increase available bandwidth and improve speeds. By utilizing the 2.4 GHz band for older 802.11n devices and the 5 GHz band for newer 802.11ac devices, potential conflicts and performance issues can be minimized.

Dual-band routers tend to be more expensive than single-band routers but are worthwhile if you have multiple devices simultaneously connecting wirelessly. They provide better flexibility and can improve overall network performance.

Expenses and charges associated with modem and router providers

The decision to either rent or purchase a modem and router comes with financial considerations. While the upfront cost of buying the equipment may be higher than renting, opting for ownership can lead to long-term savings. Conducting a thorough cost analysis reveals that investing in a modem-and-router combo is generally more economical compared to renting from an internet service provider (ISP).

When calculating the potential savings, it is essential to consider the duration of usage. Renting involves a recurring monthly fee, which can accumulate significantly over time. On the other hand, purchasing a modem and router requires an initial investment but eliminates the ongoing rental charges.

To make the most cost-effective choice, research and compatibility assessment are crucial. Ensure that the purchased equipment is compatible with your specific ISP to avoid any compatibility issues or limitations. This compatibility aspect is particularly significant as it directly impacts the equipment's functionality and long-term cost savings. Consult the ISP's specifications or reach out to their customer service to confirm compatibility.

Here is a consolidated comparison of modem costs for different internet service providers (ISPs): 





$15 per month (includes a router)

$150 (includes a router and 1-year warranty for replacement or repair)


$14 per month (includes a router)

The price depends on a third-party modem that is compatible with and approved by Xfinity.

Optimum by Altice

$10 per month (includes a router)

The price depends on a third-party modem that is compatible with and approved by Optimum by Altice.


$9.99 to $11.99 per month (includes a router)

The price depends on a third-party modem that is compatible with and approved by Windstream.


$10 per month (includes a router)

The price ranges from $100 to $350 and includes a router.

 When considering these options, it's important to note that renting a modem generally entails a monthly fee, which can accumulate over time. However, renting may include additional services like a bundled router or warranty. On the other hand, buying a modem provides a one-time investment but may require separate purchases of compatible routers. The costs for buying a modem can vary depending on the specific ISP and the chosen third-party modem.

Before making a decision, it's advisable to compare the long-term costs of renting versus buying, assess the compatibility of purchased equipment with the ISP's requirements, and consider any additional features or warranties included in the rental packages.

Renting vs. Buying: What Is the Right Choice for Me? 

Choosing between renting and buying a modem and router can be a tough decision, but it ultimately comes down to your personal preferences and circumstances.

First, consider your budget. Renting equipment may seem like the more affordable option initially, but over time, the monthly rental fees can add up and end up costing you more in the long run. On the other hand, buying equipment requires an up-front cost, but you will ultimately save money over time by not paying monthly rental fees. 

Second, think about your investment preferences. If you prefer short-term investments, then renting may be the better option for you. However, if you prefer long-term investments, then buying may be the way to go.

Third, check if your ISP offers a modem-and-router combo. If they do, you may be able to save money by paying one equipment fee instead of two separate fees.

It's also important to ask yourself some questions to determine which option is best for you.

If you're planning to move soon, renting may be more convenient since you won't have to worry about moving and setting up your own equipment. However, if you're looking for the latest technology, buying your own equipment may be the better choice since you'll have more options to choose from.

Commonly Asked Questions Regarding Modems and Routers

What is the typical lifespan of a modem?

The lifespan of modems typically ranges from two to five years. Modems of higher quality and more advanced features tend to have a longer lifespan, often lasting for at least five years. Conversely, lower-end modems usually have a shorter lifespan, lasting around two to three years.

What is the purpose of having a modem and router together?

You need both a modem and a router to connect to the internet and create a home network. The modem connects your home network to your internet service provider (ISP), translating the digital signal from your ISP into a format that your router can use. The router then creates a Wi-Fi network that allows multiple devices to connect wirelessly to the internet.

The modem and router have different functions, and they work together to provide internet access and create a home network. Without a modem, your router wouldn't be able to connect to the internet, and without a router, your devices wouldn't be able to connect wirelessly to the internet. 

Can modems impact the speed of the internet? 

Yes, modems can affect internet speed. The type and quality of the modem can impact the speed and reliability of your internet connection. For example, an outdated or low-quality modem may not be able to handle higher internet speeds, resulting in slower download and upload speeds. It is important to ensure that your modem is compatible with your internet service provider's network and can support the speeds you are paying for. Upgrading to a newer and more advanced modem can improve your internet speed and overall performance. 

Is it possible for a router to function without a modem?

A router can operate without a modem, but it won't be able to provide access to the internet without one. This is because routers are designed to connect multiple devices to a network and facilitate communication between them. They create a local network for devices to communicate with each other, but they can't provide access to the internet without a modem. 

It's worth noting that some routers come with a built-in modem, allowing them to connect directly to the internet. These devices are often referred to as "modem-router combos" or "gateways." While this can be a convenient option, it's important to make sure the device is compatible with your internet service provider and meets your specific needs.

In situations where a modem isn't necessary, such as in a local network for gaming or file sharing, a router can function on its own without issue. However, for accessing the internet, a modem is always required. 

Cheaper to purchase modem and router separately? 

Yes, it is often cheaper to buy a modem and router separately instead of renting them from an internet service provider (ISP). ISPs typically charge a monthly rental fee for their equipment, which can add up to a significant cost over time. By purchasing your own modem and router, you can save money in the long run. However, it is important to ensure that the modem and router are compatible with your ISP, and that you consider any up-front costs associated with purchasing the equipment. Additionally, buying separate components can provide more flexibility in terms of upgrading or replacing specific parts in the future.  

​​Renting vs. buying a modem is a decision that depends on your budget and specific needs. Renting offers convenience with no upfront costs, free replacements, and included technical support. However, monthly fees accumulate over time, and you can't customize or switch ISPs easily. Buying a modem requires an initial investment, but it provides long-term savings, flexibility, and compatibility with multiple ISPs. You have more control, can choose higher-performance options, and sell it later. Consider your financial situation, duration of usage, and desire for customization when making a decision.

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