This article covers ARRIS SURFboard SB6141 DOCSIS 3.0ケーブルモデム.

Overview

The ARRIS SURFboard SB6141 is a DOCSIS 3.0 cable modem designed for home users who want a reliable, stand-alone wired internet connection. With 8 downstream and 4 upstream channels, it delivers download speeds up to 343 Mbps and upload speeds up to 131 Mbps. It features a single Gigabit Ethernet port, making it easy to connect to a computer or router. This modem is a cost-effective alternative to renting equipment from your cable provider, and it's compatible with major cable ISPs such as Comcast, Spectrum, and Cox.

Connectivity & Compatibility

The SB6141 connects to your cable internet service via a standard coaxial cable and provides one Gigabit Ethernet port for wired connectivity. It does not include Wi-Fi or router functionality, so you'll need a separate router for wireless networking. It is compatible with DOCSIS 3.0 cable services and supports IPv4 and IPv6. However, it is not compatible with fiber optic services like Verizon FiOS or AT&T U-verse. Before purchasing, verify that your ISP supports the SB6141 model on your plan.

Product Info

The ARRIS SURFboard SB6141 is a well-established cable modem that has been on the market for several years. It remains available through retailers like often at a price around $50–$70 USD (roughly ¥14,000 in Japan). The package includes the modem, power adapter, Ethernet cable, and quick-start guide. Manufacturer warranty is typically one year. Positioned as an entry-level to mid-range modem, it offers solid performance for standard cable internet plans up to 300 Mbps.

Best Use Cases

  • Cost-conscious users: Replace your ISP's rental modem to save monthly fees. The SB6141 pays for itself within a year.
  • Gamers and remote workers: For a stable, low-latency wired connection, pair this modem with a quality router. It handles typical gaming and video conferencing needs well.
  • Upgraders from older standards: If you're still using a DOCSIS 2.0 modem, the SB6141 provides a significant speed boost and better channel bonding.
  • Not for gigabit plans: If your internet plan exceeds 343 Mbps, consider a DOCSIS 3.1 modem instead.

Product Disclosure (Amazon)

  • Manufacturer: ARRIS
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B00YUU5628
  • Note: This article covers a manufacturer-made product based on Amazon listing details.