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GRAUGEAR 3.5 Inch Front Panel USB Hub, Internal USB Hub with 20Gbps USB3.2 Gen2 USB-C and USB 3.0 Ports, USB3.2 Type-E Key-A 20-Pin Header & USB3.0 Header Required, Fits 3.5" PC Computer Case [G-MP01]
GRAUGEAR

GRAUGEAR 3.5 Inch Front Panel USB Hub

Bottom line: The GRAUGEAR 3.5 Inch Front Panel USB Hub: 20Gbps USB-C via USB 3.2 Gen 2x2 for fast large-file transfers; main trade-off: needs both a 20-pin Type-E and a 19-pin USB 3.0 header on the board.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ 20Gbps USB-C via USB 3.2 Gen 2x2 for fast large-file transfers
  • ✓ Adds 2x USB 3.0 (5Gbps) ports plus 1 USB-C from an unused 3.5" bay
  • ✓ Built-in over-current, over-voltage and short-circuit protection
  • ✓ Ships with both 20-pin Type-E and 19-pin cables plus 6 screws

Cons

  • ✗ Needs both a 20-pin Type-E and a 19-pin USB 3.0 header on the board
  • ✗ Older boards without a Type-E header need an extra adapter or PCIe card
  • ✗ Only one USB-C port; the other two ports cap at USB 3.0 5Gbps
  • ✗ Full 20Gbps requires a Gen 2x2 device on the other end

SpecPicks Verdict

SpecPicks scored GRAUGEAR 3.5 Inch Front Panel USB Hub using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. GRAUGEAR's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【20Gbps High Speed】USB-C port features the latest USB 3.2 Gen 2x2 standard, which supports an extremely fast data transmission rate up to 20 Gbps. It is faster enough to transfer of files within a short time. (Type-c standard cable is inherently be able to operate at both USB Type-C Gen 2 10Gbps and Gen 2x2 20Gbps speeds. The 20Gbps specialized port is required on the device to meet the full 20Gbps transfer speed.) USB 3.0 ports, compliant with the USB 3.0 standard, support up to 5Gbps of bandwidth, which enables you to connect variety of your USB devices with ease.
  • 【Wide Compatibility】Compatible with Windows 11/10/8/7. Convert your 3.5’’ floppy disk drive space into 2 USB 3.0 ports and 1 USB 3.2 Gen 2 USB-C port. Increase the scalability of desktop computers to meet various needs.
  • 【Convenience】Easy installation and huge expansion for your PC casing. Quickly adds ports through available 19-pin USB3.0 and 20-pin USB3.2 Key-A Type-E headers for connecting a variety of external USB devices. Make sure that your motherboard have both headers before buying, some old motherboards do not have 20-pin USB3.2 Key-A Type-E header and would suggest to install with an USB Front Panel Adapter which converts USB 3.0 header into a USB3.2 Type-E Key-A 20-Pin connector or a Type-E PCIe Card which converts PCIe slot into a USB3.2 Type-E connector.
  • 【Stability and Safety】Sturdy construction ensures a long service life and durability, and package contains 6 screws to make it more stable. Multiple safety protection measures such as over-current protection, over-voltage protection and short circuit protection.
  • 【Package Contents】GRAUGEAR 3.5’’ front panel usb hub, USB3.2 Type-E Key-A 20-Pin and USB3.0 19-Pin cables, screws, warranty card, user manual and friendly customer service.

Full Specifications

BrandGRAUGEAR
ColorBlack
ConnectivityUSB-C
Model NumberG-MP01
CompatibilityPC
Item Type NameFront Panel USB Hub
Number of Items1
Number of Ports3
Special FeaturePlug and Play
Total Usb Ports3
Compatible DevicesDesktops
Data Transfer Rate20 gigabits_per_second
Enclosure MaterialMetal
Hardware InterfaceUSB Type C
Additional FeaturesPlug and Play
Warranty Description12 months
Item Dimensions L x W x H4.02"L x 4.02"W x 0.98"H
Full listing titleGRAUGEAR 3.5 Inch Front Panel USB Hub, Internal USB Hub with 20Gbps USB3.2 Gen2 USB-C and USB 3.0 Ports, USB3.2 Type-E Key-A 20-Pin Header & USB3.0 Header Required, Fits 3.5" PC Computer Case [G-MP01]

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GRAUGEAR 3.5 Inch Front Panel USB Hub, Internal USB Hub with 20Gbps USB3.2 Gen2 USB-C and USB 3.0 Ports, USB3.2 Type-E Key-A 20-Pin Header & USB3.0 Header Required, Fits 3.5" PC Computer Case [G-MP01] is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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