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Monoprice 100364 USB 2.0 A Female to B Male Adapter — main product image
Monoprice 100364 USB 2.0 A Female to B Male Adapter
Monoprice 100364 USB 2.0 A Female to B Male Adapter
Monoprice 100364 USB 2.0 A Female to B Male Adapter
Monoprice

Monoprice 100364 USB 2.0 A Female to B Male Adapter

★★★★★3.4 (56 reviews)
USB 2.0

Converts a USB-A female port to USB-B male in one compact adapter — no cable swap required.

$4.46*$8.98Save 50%
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*Price sourced from Amazon.com. Last updated:Jul 16, 2026.Price and availability are subject to change.

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Overview

The Monoprice 100364 is a passive USB 2.0 adapter that bridges a USB-A female port to a USB-B male plug — a straightforward physical conversion with no active electronics involved. Its specifications are deliberately minimal: USB-A female input, USB-B male output, USB 2.0 compliance (480 Mbps), and backward compatibility with USB 1.1 and 1.0 signaling. The practical value is narrow but real — it lets you reuse an existing USB-A cable to reach a USB-B device port (printers, audio interfaces, MIDI controllers, scanners) without sourcing a new cable. There is no performance tuning possible here; the adapter passes USB 2.0 signals through as-is.

This adapter belongs in a cable kit or spare-parts drawer rather than as a permanent fixture in a performance-sensitive setup. It is built for the scenario where the right cable isn't handy and a quick adapter solves the problem. Power users running USB 3.0 storage or high-throughput devices should note that this adapter will bottleneck any USB 3.0 device to USB 2.0 speeds — it does not pass SuperSpeed signaling. For the use cases it is actually designed for — connecting legacy USB-B peripherals via an existing USB-A cable run — it performs competently and requires zero configuration.

Key Features

Package Dimensions: 9.906 cms (L) x 4.318 cms (W) x 1.524 cms (H)

Package Quantity: 1

Product Type: Electronic Adapter

Country Of Origin: China

Specifications

Connector 1
USB Type-A Female
Connector 2
USB Type-B Male
USB Standard
USB 2.0
Backward Compatibility
USB 1.1, USB 1.0
Maximum Data Rate
480 Mbps (USB 2.0)
Active Components
None (passive adapter)
Driver Required
No
Brand
Monoprice
Model
100364

Pros & Cons

👍 Pros

  • Passive design means zero driver overhead and instant plug-and-play operation across all USB 2.0, 1.1, and 1.0 compatible devices
  • Compact form factor adds negligible bulk to an existing cable run
  • Eliminates the need to purchase a dedicated USB-A to USB-B cable for a single device connection
  • Monoprice build quality is consistent with the brand's reputation for reliable, no-frills connectivity hardware

👎 Cons

  • Hard-capped at USB 2.0 speeds — 480 Mbps maximum, with no path to USB 3.0 throughput even if the connected device supports it
  • Product listing contains misleading FireWire references that do not apply to this USB adapter at all
  • Introduces an additional mechanical connection point in the signal path, which can loosen over repeated plug cycles
  • No locking mechanism — the USB-B male plug relies entirely on friction fit in the device port

Frequently Asked Questions

It presents a USB-A female receptacle on one end and a USB-B male plug on the other. This lets you extend or repurpose an existing USB-A to USB-A cable to terminate in USB-B — useful when you need to reach a USB-B device port without buying a new cable.
It supports USB 2.0 speeds, capped at 480 Mbps theoretical throughput. It is also backward-compatible with USB 1.1 (12 Mbps) and USB 1.0 (1.5 Mbps) devices.
Physically, a USB-B male connector can mate with USB 3.0 Type-B female ports on some devices, but electrically it will negotiate down to USB 2.0 speeds. You will not get USB 3.0 throughput through this adapter.
No. It is a passive electrical adapter with no active components — no firmware, no drivers, and no configuration required. Plug it in and it works.
The product listing mentions FireWire in the features text, but the actual specifications clearly define this as a USB 2.0 A Female to B Male adapter. It has no FireWire (IEEE 1394) functionality whatsoever.

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