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Black USB-C 90-degree angled adapter with 20-pin Type-E male header and female port

EN-Labs

EN-Labs U31MB20PAD90D-B USB 3.2 Type-E 90 Degree Adapter Model B

SKU CH-12A9-CW7CW

90-degree angled USB 3.2 Type-E header adapter supports 10Gbps and 20Gbps speeds for tight case spaces

  • Connector TypeUSB C to USB C
  • ColorBlack

Style Right Angled

  • 90-degree angled header fits tight case spaces
  • USB 3.2 20 Gbps speed for fast transfers
  • USB 3.1 10 Gbps backward compatibility included
  • Type-E male to female connects front-panel USB-C
  • Model B variant matches specific motherboard header orientation

Purpose and fit

The EN-Labs U31MB20PAD90D-B is a 90-degree angled adapter that converts a motherboard USB 3.2 20-pin Type-E header to a standard USB-C port for front-panel or rear-bracket mounting. It suits builders fitting a USB-C connector into a tight case interior where a straight header would foul other components. It does not suit systems lacking a 20-pin Type-E header or builders who need a straight-through connection.

Sustained behaviour

The adapter supports USB 3.2 10Gbps and 20Gbps signalling without active circuitry, so throughput depends on the host controller and attached device rather than the adapter itself. Under continuous load the passive design adds no latency or thermal throttle, but cable quality and motherboard implementation determine whether the link holds the higher 20Gbps rate. No active cooling or power management is present.

Installation notes

Installation requires aligning the 20-pin male plug with the motherboard Type-E header in the orientation that matches Model B pin-out; Model A uses a different keying and will not fit. The 90-degree angle eases routing in narrow clearance, yet the rigid moulding can still press against adjacent headers or the graphics card back-plate in very compact builds. Verify header direction before ordering.

Highlights

  • 90-degree angled header fits tight case spaces
  • USB 3.2 20 Gbps speed for fast transfers
  • USB 3.1 10 Gbps backward compatibility included
  • Type-E male to female connects front-panel USB-C
  • Model B variant matches specific motherboard header orientation

Specifications

BrandEN-Labs
ModelU31MB20PAD90D-B
Connector TypeUSB C to USB C
ColorBlack

Other versions of this model

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Questions about this item

Does the 90 degree angle on this EN-Labs U31MB20PAD90D-B adapter affect signal quality at 20 Gbps speeds?

The angled design maintains full 10 Gbps and 20 Gbps data rates by keeping the internal wiring short and direct, so throughput is identical to a straight header connection.

What must my motherboard already have for this Model B adapter to plug in and work?

Your motherboard needs an internal 20-pin USB 3.2 Type-E header with the pin orientation that matches Model B; the adapter converts that header to a standard USB-C receptacle for a front-panel or rear-bracket cable.

Will this adapter work with an older USB 3.1 front-panel cable I already own?

Yes, it supports USB 3.1 10 Gbps as well as USB 3.2 20 Gbps, so a legacy USB 3.1 Type-C or Type-A front-panel cable will operate at its rated 10 Gbps speed through the adapter.

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