PricepectAI-Verified Comparisons

Comparisons About

⌘K

Pricepect

Independent product comparisons to help you buy smarter.

Browse

Categories
Comparisons
Spec Comparisons
Head-to-Head
Search

Info

About
Privacy Policy
Terms of Service

Top Categories

Electronics
Home & Kitchen
Sports & Outdoors
Automotive

✓ Independent & Unbiased✓ AI-Verified Data✓ Expert-Reviewed

Pricepect participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. © 2026 Pricepect. All rights reserved.

Motorola B12 — Review & Specs | Pricepect | Pricepect

Home ModemsMotorola B12

Motorola B12 — image 1

Motorola

Motorola B12

Expert Review Analysis

The Motorola B12 is a compact DOCSIS 3.1 cable modem that delivers up to 2.5 Gbps downstream via a single 2.5 Gbps Ethernet port, supporting major US ISPs and offering QoS and IPv6 readiness for future‑proof home networking.

✓ Best for: Users who have multi‑gigabit cable internet plans (e.g., Cox 2 Gbps, Xfinity or Spectrum gigabit) and already own a high‑performance Wi‑Fi router. Ideal for gamers, 4K/8K streaming households, and anyone looking to avoid ISP rental fees while future‑proofing their network.✗ Not ideal for: Households that need multiple wired devices directly from the modem without an additional router or switch, or users who prefer an all‑in‑one gateway with built‑in Wi‑Fi and phone ports.

Pros

✓Provides a 2.5 Gbps Ethernet port that prevents bandwidth throttling when paired with multi‑gigabit routers.
✓Compact physical dimensions (4 × 5.7 × 5.2 in) enable easy placement in tight home networking spaces.
✓

Price History

Current

$169.00

Average

$188.03

Lowest

$128.97

Highest

$199.98

Good Deal — 10% below average

Price trend (90d):+5.6%

Best Seller Rank History

Now#7Best#5Worst#52 +34

Lower = better sales rank

Rating Trend

Rating4.3/ 5Reviews29,480+156 reviews

Specifications

Design

Height5.5 inches mm

Width3.5 inches mm

Length3.5 inches mm

Features

QoSSupports Quality of Service traffic prioritization

LED IndicatorPulses then solid white when online

Active Queue ManagementReduces latency for gaming, streaming, conferencing

General

BrandMotorola

ModelB12

ColorBlack

Warranty2 years

CertificationsCertified for Comcast Xfinity, Cox (up to 2 Gbps), Spectrum, RCN, Astound

Network

DOCSIS Version3.1

Backward CompatibilityDOCSIS 3.0

Network ProtocolsIPv4, IPv6, TCP, UDP, ARP, ICMP, DHCP, FTP, TFTP, SNMP, HTTPS

Application ProtocolSNMP v1/v2/v3

IPv6 SupportFully capable

Performance

Downstream Data Rate2.5 Gbps Mbps

Upstream Data Rate800 Mbps Mbps

Downstream Bonded ChannelsUp to 32 SCQAM (DOCSIS 3.0) or 2 OFDM (DOCSIS 3.1)

Upstream Bonded ChannelsUp to 8 SCQAM (DOCSIS 3.0) or 2 OFDMA (DOCSIS 3.1)

Downstream Frequency Range108 to 1002 MHz

Ports

Ethernet InterfaceOne 100/1000/2500 Mbps Gigabit Ethernet LAN port with Auto-MDI/MDIX

Coax Interface1 × F-type female 75 Ω cable input

Power

Power Input Voltage120V V

Channel Bonding

DOCSIS 3.0 Fallback32×8

Compatibility

Certified ISPsComcast Xfinity, Cox, Spectrum, RCN

Dimensions & Weight

Height5.5 inches

Width3.5 inches

Depth3.5 inches

Research Sources

motorolanetwork.com

microcenter.com

m.media-amazon.com

telquestintl.com

Similar Products

CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector, 1500VA/1000W, 12 Outlets, AVR, Mini Tower; UL Certified

CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector, 1500VA/1000W, 12 Outlets, AVR, Mini Tower; UL Certified

CyberPower

CenturyLink Prism TV Technicolor C2100T 802.11AC Modem Router Gigabit DSL Fiber 2.4/5GHz

CenturyLink Prism TV Technicolor C2100T 802.11AC Modem Router Gigabit DSL Fiber 2.4/5GHz

CenturyLink

DanYee 10ft Cat 8 Ethernet Cable, High Speed Network Cable with RJ45 Connectors for Printer, Router, Gaming Console

DanYee 10ft Cat 8 Ethernet Cable, High Speed Network Cable with RJ45 Connectors for Printer, Router, Gaming Console

DanYee

ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required

ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required

ARRIS

Motorola MB8600 DOCSIS 3.1 Gig-Speed Cable Modem Plus 32x8 DOCSIS 3.0. Approved by Comcast Xfinity, Cox, and More, Gray (Renewed)

Motorola MB8600 DOCSIS 3.1 Gig-Speed Cable Modem Plus 32x8 DOCSIS 3.0. Approved by Comcast Xfinity, Cox, and More, Gray (Renewed)

Motorola

Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router, DOCSIS 3.0 Modem, AC1900 Dual Band Wi-Fi Gigabit Router for Comcast Xfinit

Motorola MT7711 (24X8) Cable Modem-Two Phone Ports Router, DOCSIS 3.0 Modem, AC1900 Dual Band Wi-Fi Gigabit Router for Comcast Xfinit

Motorola

Arnorin DB9 Null Modem Adapter Male to Male 5 Pack

Arnorin DB9 Null Modem Adapter Male to Male 5 Pack

Arnorin

NETGEAR 8-Port Gigabit Ethernet Unmanaged Essentials Switch (GS308) - Home Network Hub, Office Ethernet Splitter, Plug-and-Play, Silent Operation, Desktop or Wall Mount

NETGEAR 8-Port Gigabit Ethernet Unmanaged Essentials Switch (GS308) - Home Network Hub, Office Ethernet Splitter, Plug-and-Play, Silent Operation, Desktop or Wall Mount

NETGEAR

ARRIS Surfboard (24x8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, 1 Gbps Max Speed, Certified for Comcast Xfinity Only (SVG2482AC) (Renewed)

ARRIS Surfboard (24x8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, 1 Gbps Max Speed, Certified for Comcast Xfinity Only (SVG2482AC) (Renewed)

ARRIS

DbillionDa Cat8 Ethernet Cable, Outdoor&Indoor, 6FT Heavy Duty High Speed 26AWG, 2000Mhz with Gold Plated RJ45 Connector, Weatherproof F/FTP UV Resistant for Router, Modem, PC, Gaming

DbillionDa Cat8 Ethernet Cable, Outdoor&Indoor, 6FT Heavy Duty High Speed 26AWG, 2000Mhz with Gold Plated RJ45 Connector, Weatherproof F/FTP UV Resistant for Router, Modem, PC, Gaming

DbillionDa

NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 6Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1

NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 6Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1

NETGEAR

GRYPHON GUARDIAN Advanced Parental Control System & Mesh WiFi Enhanced Security Router (up to 1800sqft) Hack Protection w/AI-Intrusion Detection & ESET Malware Protection Smart Mesh WiFi System AC1200

GRYPHON GUARDIAN Advanced Parental Control System & Mesh WiFi Enhanced Security Router (up to 1800sqft) Hack Protection w/AI-Intrusion Detection & ESET Malware Protection Smart Mesh WiFi System AC1200

GRYPHON

Sierra Wireless AirLink 3-in-1-Panel Antenna (6001125)

ZyXEL C3000Z Dual-Band 802.11b/g/n Gigabit Modem for CenturyLink (Renewed)

ZyXEL C3000Z Dual-Band 802.11b/g/n Gigabit Modem for CenturyLink (Renewed)

ZYXEL

trueCABLE Cat6/6A RJ45 Pass Through Modular Plugs, Shielded (STP) External Ground Connector, UL Listed, EZ Crimp, Gold Plated 3 Prong 8P8C, 10 Pieces

trueCABLE Cat6/6A RJ45 Pass Through Modular Plugs, Shielded (STP) External Ground Connector, UL Listed, EZ Crimp, Gold Plated 3 Prong 8P8C, 10 Pieces

TRUE CABLE

DbillionDa Cat8 Ethernet Cable, Outdoor&Indoor, 3FT Heavy Duty Direct Burial High Speed 26AWG Cat8 LAN Network Cable 40Gbps, 2000Mhz with Gold Plated RJ45 Connector, Weatherproof for Router

DbillionDa Cat8 Ethernet Cable, Outdoor&Indoor, 3FT Heavy Duty Direct Burial High Speed 26AWG Cat8 LAN Network Cable 40Gbps, 2000Mhz with Gold Plated RJ45 Connector, Weatherproof for Router

DbillionDa

Wiflyer WG3526 4G LTE Router | AC1200Mbps Dual Band CAT4 Wireless Router with Metal Case and Detachable 6×5dBi Antennas| Gigabit Ethernet with TF Card Slot & USB3.0 Port & SIM Card Slot

Wiflyer WG3526 4G LTE Router | AC1200Mbps Dual Band CAT4 Wireless Router with Metal Case and Detachable 6×5dBi Antennas| Gigabit Ethernet with TF Card Slot & USB3.0 Port & SIM Card Slot

Wiflyer

Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power Boost | AC3200 Wi-Fi Speed | Approved for Comcast Xfinity, Cox, and Charter Spectrum

Motorola MG8702 | DOCSIS 3.1 Cable Modem + Wi-Fi Router (High Speed Combo) with Intelligent Power Boost | AC3200 Wi-Fi Speed | Approved for Comcast Xfinity, Cox, and Charter Spectrum

Motorola

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed)

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed)

NETGEAR

Pepperl + Fuchs VIATOR USB HART Modem Interface with Power Xpress, USB to HART Protocol Modem

Pepperl + Fuchs VIATOR USB HART Modem Interface with Power Xpress, USB to HART Protocol Modem

Pepperl + Fuchs

Featured in Comparisons

Best DOCSIS 3.1 Cable Modems

Best DOCSIS 3.1 Cable Modems

roundup

Motorola MB8600 vs Motorola B12

pairwise

MikroTik LHG LTE6 vs Motorola B12

pairwise

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

4.3

(29,479 reviews)

$169.00

Track Price on BigBangPrice

Get notified when the price drops. Track this product on BigBangPrice, our price tracking partner.

B12Blackcompact DOCSIS 3.1 (2.5 Gbps Ethernet Port) 2 year manufacturer warranty

Broad ISP certification including Comcast Xfinity, Cox, Spectrum, and RCN ensures wide compatibility.

✓DOCSIS 3.1 technology with IPv6 support future‑proofs the modem for upcoming high‑speed plans.

✓Built‑in Quality of Service (QoS) allows traffic prioritization for gaming and streaming.

✓Supports up to 32 downstream and 8 upstream channel bonding for robust multi‑gig performance.

Cons

✗Only a single 2.5 Gbps Ethernet port limits direct wired connections without an external switch or router.
✗Lacks integrated Wi‑Fi or telephone ports, requiring a separate router for wireless networking.
✗Maximum downstream speed is capped at 2.5 Gbps, which may be underutilized on ISP plans exceeding that limit.
✗Upstream throughput is limited to approximately 800 Mbps, potentially restricting high‑upload activities.
✗Weight is not specified in the available documentation, making installation planning less certain.

From Expert Reviews

Praised by Experts

✓Professional editors highlight reliable multi‑gigabit performance ideal for 4K streaming and competitive gaming.
✓Easy self‑installation process praised for connecting coax, power, and Ethernet with minimal configuration.
✓Potential savings of up to $168 per year by avoiding ISP‑provided rental modem fees.
✓Future‑proof DOCSIS 3.1 standard with 32×8 channel bonding ensures compatibility with legacy DOCSIS 3.0 networks.

From User Reviews

Users Love

✓Everyday users commend the straightforward setup: connect coax, plug in power, wait for solid white LED, then attach Ethernet.
✓Customers report consistent high speeds when using their own Wi‑Fi router, confirming the modem’s performance claims.
✓Positive feedback notes the modem’s reliability and stable connection over extended daily use.

Expert Opinion

Professional reviewers and retail editors consistently praise the Motorola B12 for its fast DOCSIS 3.1 performance, simple plug‑and‑play installation, and cost‑saving potential compared to ISP‑rented equipment. They note its future‑proof design, broad ISP certification, and QoS capabilities as strong selling points for gamers and streaming enthusiasts.

What Users Say

Everyday consumers echo the professional sentiment, highlighting the modem’s easy setup, reliable high‑speed connectivity, and compatibility with their existing routers. The limited user feedback shows overwhelmingly positive experiences with few complaints, mainly centered on the lack of built‑in Wi‑Fi.

Common Complaints

No major recurring complaints have been reported; users mainly note the absence of built‑in Wi‑Fi and the single Ethernet port limitation.

What People Are Saying

“easy to set up! Works well.”
Walmart verified purchase

How It Compares

vs. ARRIS SURFboard SB8200

Advantages

✓Motorola B12’s 2.5 Gbps Ethernet port enables higher downstream throughput for multi‑gig routers.

Disadvantages

✗SB8200 provides two gigabit Ethernet ports, offering more direct wired connections without a switch.

Choose the B12 for the fastest single‑port speed; choose the SB8200 if you need multiple gigabit Ethernet ports.

vs. ARRIS G20

Advantages

✓Motorola B12 is a pure modem, avoiding the extra cost and complexity of an all‑in‑one Wi‑Fi‑6 gateway.

Disadvantages

✗G20 includes built‑in Wi‑Fi‑6, which the B12 lacks, making G20 better for users wanting a single device solution.

Select the B12 when you already have a high‑performance router; select the G20 if you prefer an integrated modem‑router combo.

AT&T U-verse 5268AC vs Motorola B12

pairwise

Netgear Nighthawk CM1200 vs Motorola B12

pairwise

Netgear CM1000 Black vs Motorola B12

pairwise

Motorola B12 vs Netgear Nighthawk CM3000

pairwise

Motorola B12 vs Hitron CODA56

pairwise

Motorola B12 vs ZyXEL C3510XZ

pairwise

Actiontec T3200 vs Motorola B12

pairwise

Arris SURFboard SB8200 vs Motorola B12

pairwise

Motorola SURFboard SB6121 vs Motorola B12

pairwise

Arris SURFboard SBV3202 vs Motorola B12

pairwise

TP-Link TC-7610 vs Motorola B12

pairwise

Netgear Nighthawk CM2050V vs Motorola B12

pairwise

Hitron CODA vs Motorola B12

pairwise

Actiontec GT784WN vs Motorola B12

pairwise