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Monoprice

Monoprice 100331 FireWire 800 to 400 Cable 6FT

★★★★★3.2 (4 reviews)

Connect Your FireWire Devices with Ease The Monoprice 9 PIN/ 6PIN Bilingual FireWire Cable bridges the gap between older and newer FireWire technologies. This cable allows you to connect FireWire 400 devices to FireWire 800 ports, ensuring compatibility and high-speed data transfer. Specificati...

$8.99*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Connect Your FireWire Devices with Ease

The Monoprice 9 PIN/ 6PIN Bilingual FireWire Cable bridges the gap between older and newer FireWire technologies. This cable allows you to connect FireWire 400 devices to FireWire 800 ports, ensuring compatibility and high-speed data transfer.

Specifications:

  • Connector 1: 9-Pin FireWire 800
  • Connector 2: 6-Pin FireWire 400
  • Length: 6FT
  • Color: Clear
  • Interface: IEEE-1394b/1394a
  • Data Transfer Rate: Up to 800Mbps

Key Features

FireWire 800 (FireWire 1394b) is the new version of the popular FireWire interface

Bilingual FireWire cables allow you to connect older FireWire 400 devices to newer FireWire 800 ports.

It doubles the throughput of the original IEEE-1394a FireWire interface from 400Mbps to 800Mbps

Specifications

Brand
Monoprice
Model
100331
Cable Type
FireWire 800 to 400 (Bilingual)
Length
6FT
Data Transfer Rate
Up to 800Mbps
Standard
IEEE-1394b (FireWire 800), IEEE-1394a (FireWire 400)

Pros & Cons

👍 Pros

  • Offers bilingual connectivity, allowing older FireWire 400 devices to connect seamlessly with newer FireWire 800 ports.
  • Doubles the throughput of the original IEEE-1394a FireWire interface, reaching speeds of 800Mbps for faster data transfer.
  • The 6-foot length provides adequate reach for connecting devices without excessive cable clutter.
  • Supports FireWire 800 (FireWire 1394b) technology, which is an enhanced version of the popular FireWire interface.
  • Manufactured by Monoprice, known for providing reliable cables and accessories.

👎 Cons

  • FireWire technology, while offering high speeds, is less common in modern computers compared to USB, limiting its broad applicability.
  • The cable is specifically designed for FireWire 800 to 400 connections, and cannot be used for USB or other port types.
  • At 6 feet, the cable might be too long for some desktop setups where devices are closely positioned, or too short for extended reaches.
  • Achieving the full 800Mbps speed requires both connected devices and the computer port to support FireWire 800.
  • The usefulness of this cable is dependent on the user having both FireWire 400 devices and FireWire 800 ports, which are increasingly specialized.

Frequently Asked Questions

A bilingual FireWire cable, like the Monoprice 100331, allows you to connect devices with older FireWire 400 ports to computers or devices equipped with newer FireWire 800 ports.
This FireWire 800 to 400 cable supports data transfer rates up to 800Mbps, which is double the throughput of the original FireWire 400 interface.
Yes, this bilingual cable is designed to facilitate connections between FireWire 800 and FireWire 400 devices in either direction.
No, this cable is specifically for FireWire connections and is not compatible with USB ports or other interface types.
The Monoprice 100331 FireWire 800 to 400 Cable is 6 feet long.
This cable is useful for individuals who still own and use legacy FireWire 400 devices, such as older external hard drives or audio/video interfaces, with newer computers that may only have FireWire 800 ports.

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