ApprovedModemwhat your ISP actually allows

Hargray (domain now redirects to Sparklight): can you use your own modem?

Own modem allowed — approved list published

Yes — Hargray (domain now redirects to Sparklight) allows customer-owned modems and publishes its own approved-device list. It names devices including Arris | Motorola SURFboard SBG8300 and Arris | Motorola SURFboard SB8200. Your device must meet at least DOCSIS 3.1. Owning one replaces Hargray (domain now redirects to Sparklight)'s monthly equipment fee.

Connection
cable
Minimum standard
DOCSIS3.1
Verified
2026-08-25
Browse DOCSIS 3.1 modems on Amazon →

Links go to an Amazon search — as an Amazon Associate we earn from qualifying purchases, at no extra cost to you. They never change what Hargray (domain now redirects to Sparklight) permits: check the model against their own page below before ordering.

Why people buy their own: Hargray (domain now redirects to Sparklight) charges for the equipment it supplies — in their words: "Modem with eero Wi-Fi device lease is from $0-$14.99/mo." A compatible modem you own is a one-time purchase, so over a typical contract owning usually costs less than renting.
  1. Your modemyou buy it, or you rent it
  2. Your ISP's networkthey decide what connects
  3. The internetthe part you actually want
Your equipment has to satisfy Hargray (domain now redirects to Sparklight) before it reaches the internet at all — which is why their published rule, not a retailer's compatibility claim, is the one that decides.

Which modems does Hargray (domain now redirects to Sparklight) approve?

Hargray (domain now redirects to Sparklight) names these models on its own page. They are the exact make and model strings published there as of 2026-08-25 — a sample of the list, not necessarily all of it.

Amazon search · affiliate link — we may earn a commission from qualifying purchases, at no extra cost to you.

Browse DOCSIS 3.1 modems on Amazon →

Amazon search · affiliate link — we may earn a commission from qualifying purchases, at no extra cost to you.

Can I use my own modem with Hargray (domain now redirects to Sparklight)?

Yes, with a restriction: the device has to appear on Hargray (domain now redirects to Sparklight)'s published approved list. In their words: "Can I purchase my own modem? If you choose to purchase a modem, Sparklight requires you purchase a modem with DOCSIS 3.1 capability from a reputable source, and select one that is listed on our approved modems list above. Should you wish to purchase a modem that is not on our approved modems list, please contact our team prior to making your purchase to verify compatibility." Support is not provided for customer-owned devices.

Does Hargray (domain now redirects to Sparklight) charge an equipment rental fee?

"Modem with eero Wi-Fi device lease is from $0-$14.99/mo."

What DOCSIS version does Hargray (domain now redirects to Sparklight) require?

"Sparklight requires customers to use a DOCSIS 3.1 or higher Modem." Also: "Sparklight no longer supports the addition of modems with DOCSIS 2.0 technology." For Multi-Gig: "Sparklight Multi-Gig Internet requires customers to use a DOCSIS 3.1 Modem."

Do Hargray (domain now redirects to Sparklight)'s requirements change with my speed tier?

Multi-Gig tiers have a SEPARATE, narrower approved list at https://support.sparklight.com/hc/en-us/articles/18084165535511-Multi-Gig-Internet-Supported-Modems-Residential-Only (Arris CM9200, Arris DG9450, Arris G36, Arris S33, Hitron CODA56, Motorola MB8611, Netgear CAX80, Netgear CM2000, Netgear CM2050V) with a per-model "Sparklight Max Upload" column showing 50 Mbps or ">= 50 Mbps". Multi-Gig also states: "2.5 Gigabit or higher Ethernet Router if you are using your own router". Standard list: "Existing customers with older modems using DOCSIS 3 technology will still be able to utilize some Sparklight High-Speed Internet packages but will not be able to utilize the faster High-Speed Internet speed packages without upgrading to a DOCSIS 3.1 modem."

What does Hargray (domain now redirects to Sparklight) not allow?

DSL modems — "Only Cable Modems or eMTAs will work with our network; DSL modems are not compatible." Phone service — "Sparklight Phone Service is only supported on Arris modems (eMTA) leased from your local Sparklight office." "End of Life" modems are "no longer recommended or allowed to be registered on our network." Second-hand units — "Second-hand modems may not work properly on Sparklight's network even if listed above." Sparklight "reserves the right to refuse service to any modem or modem model which might impair network performance."

Two boxes

  1. Modemtalks to the ISP line
  2. Routermakes the Wi-Fi

One box — a “gateway”

  1. Modem + routerone unit does both jobs
Hargray (domain now redirects to Sparklight) treats the modem and the Wi-Fi router as separate questions. Read their wording below before assuming one box covers both.

Where does this information come from?

Every statement on this page is quoted from Hargray (domain now redirects to Sparklight)'s own published pages:

Last verified 2026-08-25. Approved lists and equipment policies change without notice — re-check the source above before you buy.

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Hargray (domain now redirects to Sparklight)-ready modemsAmazon search · affiliate link
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