Monoprice 108643 15ft USB 2.0 A to Micro-B Cable — main product image

Monoprice 108643 15ft USB 2.0 A to Micro-B Cable

Monoprice

Monoprice 108643 15ft USB 2.0 A to Micro-B Cable

Name: Monoprice 108643 15ft USB 2.0 A to Micro-B Cable
Brand: Monoprice
SKU: 108643

★★★★★4.6 (2525 reviews)

USB 2.0

Gold-plated connectors and ferrite-core shielding deliver interference-free USB 2.0 data transfer across a full 15 feet.

$5.48*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Monoprice 108643 is a 15-foot USB 2.0 Type-A to Micro-B cable built around a 28AWG/24AWG conductor configuration — the same split used in premium cables, where thinner 28AWG wires handle data signaling with minimal capacitance, and heavier 24AWG conductors reduce resistive loss on the power lines. At 15 feet, this cable operates at roughly 91% of the USB 2.0 maximum specified length, meaning the shielding and ferrite core aren't just nice-to-haves — they're doing real work suppressing the EMI coupling and RF noise that longer cable runs accumulate. Gold-plated connectors complete the picture, maintaining low contact resistance across the connector's lifecycle rather than degrading as tin or bare copper contacts oxidize.

This cable targets users who need reliable USB connectivity across a full room — think studio equipment chains, rack-mounted audio interfaces connected to a distant workstation, or industrial setups where short cables simply don't reach. The molded strain relief at both ends matters more at this length, where the cable's own weight creates persistent stress at the connector junction. It's not a cable for USB 3.x speed demands, but for any application running on USB 2.0 protocol — external MIDI devices, legacy audio interfaces, barcode scanners, or older storage — the 108643 delivers a clean, shielded connection that budget 15-foot alternatives consistently fail to match.

Key Features

28AWG data conductors and 24AWG power conductors

Gold plated connectors ensure a smooth, corrosion-free connection

Molded connector heads with molded strain relief boots

Shielded to protect against external signal interference and includes a ferrite core to prevent RF and electromagnetic interference

Specifications

Cable Length

15 feet

USB Standard

USB 2.0

Connector Type A

USB A

Connector Type B

Micro-B

Data Conductor Gauge

28 AWG

Power Conductor Gauge

24 AWG

Connector Plating

Gold plated

Shielding

Yes

Interference Protection

Ferrite core (RF and electromagnetic)

Pros & Cons

👍 Pros

28AWG data / 24AWG power conductor split optimizes both signal fidelity and charging efficiency in a single cable
Gold-plated connectors resist oxidation across hundreds of insertion cycles, maintaining rated contact resistance long-term
Ferrite core specifically attenuates RF and EMI — critical in electrically dense environments like broadcast racks or studio equipment clusters
Full shielding along the 15-foot run prevents ambient interference from coupling into data lines
Molded strain relief boots at both ends protect the highest-stress points on a long, gravity-loaded cable

👎 Cons

At 15 feet, this cable is near the USB 2.0 specification ceiling — daisy-chaining or using a hub at the end will push beyond the standard
USB 2.0 maximum throughput of 480 Mbps is a hard ceiling; this cable cannot benefit from USB 3.x speeds regardless of connected device capability
The cable's physical bulk at 15 feet makes routing and cable management more involved than shorter runs
No color-coding or length-marker options — in a multi-cable rack setup, identifying this specific cable requires a label
Micro-B connector is a legacy form factor; devices transitioning to USB-C will require an adapter, which introduces another potential point of failure

Frequently Asked Questions

Does the 15-foot length cause any signal degradation compared to shorter USB 2.0 cables?

USB 2.0 specifies a maximum cable length of 5 meters (roughly 16.4 feet), so at 15 feet this cable operates within spec. The ferrite core and full shielding on this specific cable actively suppress the EMI that longer runs are more susceptible to, keeping signal integrity intact.

What does the 28AWG/24AWG conductor split actually mean for this cable's performance?

The two gauges serve different functions in this cable. 28AWG handles the data lines — thin enough to maintain signal fidelity — while the heavier 24AWG conductors carry power, reducing resistive loss and supporting more efficient charging alongside data transfer.

Will the ferrite core on this cable eliminate interference from nearby power supplies or fluorescent lighting?

The ferrite core specifically suppresses high-frequency RF and electromagnetic interference at the cable ends, which is where this cable is most vulnerable. It won't eliminate all environmental EMI, but it significantly reduces the coupling that causes data errors in electrically noisy environments like studios or server rooms.

Are the gold-plated connectors purely cosmetic or do they provide a measurable benefit?

Gold plating provides a measurable corrosion resistance benefit on this cable's connectors. Unlike bare copper or tin-plated contacts, gold doesn't oxidize, which preserves contact resistance at spec levels over years of connection cycles — relevant for cables that are plugged and unplugged frequently.

Is the molded strain relief on this cable adequate for a 15-foot cable that may flex repeatedly near the connector?

The molded strain relief boots on both connector ends of this cable are designed to distribute bend stress away from the solder joints. For a 15-foot cable that tends to hang and flex under its own weight, this is the highest-stress point, and the molded construction is more durable than overmolded afterthoughts on budget alternatives.