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Green PCB expansion card with three blue USB ports on the rear bracket and one internal USB header, plus a Molex power connector

Syba

Syba SD-PEX20137 3+1 port USB 3.0 PCI-e 2.0 x1 expansion card

SKU CH-RZZ3-YMB9S MPN SD-PEX20137

Adds three external and one internal USB 3.0 port via a PCIe 2.0 x1 slot with a Renesas controller and low-profile bracket included

  • TypePCI Express to USB Card
  • External USB Ports3x USB Ports
  • Internal USB Ports1x USB Port
  • Internal Ports1 Molex Power Feed Connector
  • StandardUSB 3.0
  • Operating Systems SupportedMicrosoft Certified WHQL Drivers for: Windows 7 32/64-bit Vi
  • Add three external USB 3.0 ports for fast peripheral connections
  • One internal USB 3.0 header expands front-panel or internal device options
  • Renesas USB 3.0 host controller IC provides reliable Super-Speed performance
  • Molex power feed connector ensures stable power delivery to all ports
  • Low-profile bracket included for installation in slim or standard desktop cases

Add three external and one internal USB 3.0 ports

This Syba SD-PEX20137 expansion card adds three external USB 3.0 ports and one internal USB 3.0 port to a desktop computer through a PCI Express 2.0 x1 slot. The card is based on a Renesas USB 3.0 host controller IC and complies with the xHCI 1.0 specification. A Molex power feed connector supplies power for connected devices. Both standard and low-profile brackets are included for different chassis types.

Suits PCs with a free PCI-e slot needing extra USB

Builders restoring or upgrading legacy systems running Windows XP, Vista, 7 or Server 2008 R2 will find WHQL-certified drivers on the included CD. The card also works with USB 2.0, 1.1 and 1.0 devices at their native speeds. Systems that require drivers for newer operating systems or that lack a PCI Express x1 slot cannot use this card.

PCI Express 2.0 x1 interface determines

The card installs in any PCI Express 2.0 x1 slot and negotiates a 5 Gbps SuperSpeed link per port. No other bus width or slot generation is supported. Verify that the motherboard provides an open x1 slot and a Molex power connector before purchase.

Points forts

  • Add three external USB 3.0 ports for fast peripheral connections
  • One internal USB 3.0 header expands front-panel or internal device options
  • Renesas USB 3.0 host controller IC provides reliable Super-Speed performance
  • Molex power feed connector ensures stable power delivery to all ports
  • Low-profile bracket included for installation in slim or standard desktop cases

Caractéristiques

BrandSYBA
ModelSD-PEX20137
TypePCI Express to USB Card
External USB Ports3x USB Ports
Internal USB Ports1x USB Port
Internal Ports1 Molex Power Feed Connector
StandardUSB 3.0
Operating Systems SupportedMicrosoft Certified WHQL Drivers for:
Windows 7 32/64-bit
Vista 32/64-bit
Windows XP 32/64-bit
Server 2008 R2 64-bit
SpecificationsBased on Renesas USB 3.0 Host Controller IC
Compliant with Intel's Extensible Host Controller Interface (xHCI) Specification Revision 1.0
Supports Standard and Low-profile Desktop Computer
PCI-Express Interface:
- PCI-Express 2.0 1-Lane (x1) Interface
- Compliant with PCI Express Base Specification 2.0
- Supports PCI-Bus Power Management Interface Specification Revision 1.2
USB Interface:
- Compliant with Universal Serial Bus 3.0 Specification Revision 1.0
- USB 3.0 Super-Speed (5Gbps) Host Ports, Backward Compatible with USB 2.0 High-Speed (480Mbps), Full-Speed (12Mbps) and Low-Spee
Package ContentsPCI-Express USB 3.0 Host Controller Card
Driver CD
User Manual
Low Profile Bracket
Poids d’expédition0.14 kg
Dimensions du colis178 × 137 × 41 mm

Questions sur cet article

Should I pick the card with three external and one internal USB 3.0 ports or a different layout?

This model provides exactly three external USB 3.0 ports and one internal USB 3.0 port plus a Molex power feed; choose it when you need that specific mix of front-panel and internal connections.

What does the 5Gbps Super-Speed rating mean once the card is installed?

The 5Gbps figure is the theoretical USB 3.0 bus ceiling; actual throughput will be lower due to PCIe 2.0 x1 bandwidth limits and protocol overhead.

The card uses a PCIe 2.0 x1 slot — what does that cap in practice?

PCIe 2.0 x1 delivers up to 5GT/s raw bandwidth, which is below the USB 3.0 5Gbps spec, so the slot becomes the bottleneck for sustained transfers.

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