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Green PCB expansion card with four blue USB ports and a Molex power connector

Syba

Syba SD-PEX20133 USB 3.0 4-port PCI Express x1 expansion card

SKU CH-43X7-7JD9A MPN SD-PEX20133

Adds four USB 3.0 ports at up to 5.0 Gbps via a PCI Express 2.0 x1 slot with a Molex power connector

  • External USB ports4x USB Ports
  • Supported standardsUSB 3.0
  • Transfer speedUp to 5.0 Gbit/s
  • Supported operating systemsWindows 7 (32/64-bit) Vista (32/64-bit) Windows XP (32/64-bi
  • Product typePCI Express to USB Card
  • DetailsReal Connector: Molex (IDE 4-pin) Power Connector Based on V
  • Add four USB 3.0 ports via a single PCI Express x1 slot
  • Transfer data at up to 5.0 Gbps with the VLI VL80x controller
  • Compatible with 32-bit and 64-bit Windows from 2000 to Server 2008
  • Powered by a standard Molex connector for stable operation
  • Includes driver CD and user manual for quick setup

Four-port USB 3.0 expansion card

The Syba SD-PEX20133 adds four external USB 3.0 ports through a single PCI Express 2.0 x1 slot. It uses a VLI VL80x host controller compliant with the xHCI 0.96 specification. A Molex power connector supplies the required current for connected devices. The card supports data rates up to 5.0 Gbps per port.

Suits PCs with a free x1 slot running Windows 7

Builders upgrading legacy systems gain modern USB speed without replacing the motherboard. The driver CD provides support for Windows XP, Vista, 7, 2000 and Server 2003-2008 in both 32- and 64-bit editions. Systems lacking a spare PCI Express x1 slot or a Molex power lead cannot use this card. Buyers needing internal USB headers or newer OS support should look elsewhere.

Single PCI Express 2.0 x1 lane limits total

The x1 interface caps aggregate throughput at the 2.0 generation rate, so four simultaneous 5.0 Gbps ports will share that ceiling. This constraint decides whether the card meets a workload that demands sustained maximum throughput on every port.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $22.99
Cheaper than about 64% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameSYBA
Model nameSD-PEX20133
Product typePCI Express to USB Card
Performance
Transfer speedUp to 5.0 Gbit/s
Connectivity
Supported standardsUSB 3.0
Ports & slots
External USB ports4x USB Ports
Size & build
Shipping weight0.13 kg
Package size191 × 142 × 36 mm
Compatibility
Supported operating systemsWindows 7 (32/64-bit)
Vista (32/64-bit)
Windows XP (32/64-bit)
Windows 2000 (32/64-bit)
Server 2003-2008 (32/64-bit)
In the box
In the boxUSB 3.0 4-port PCI-e Controller Card
User Manual
Driver CD

Questions about this item

Will this card fit and run in the PCI Express 2.0 x1 slot on my older motherboard?

Yes, the SD-PEX20133 uses a PCI Express 2.0 x1 host interface, so it installs directly into any compatible x1 slot on an older board.

How can I verify the VL800-Q8 controller is operating at the full 5.0 Gbps rate after installation?

Check Device Manager to confirm the controller appears under Universal Serial Bus controllers without error codes, then run a file transfer to a USB 3.0 drive and observe speeds approaching the rated throughput.

Does the retail box include the Molex power cable I need for the card's IDE 4-pin connector?

The package contains the controller card, a user manual and a driver CD; a Molex power lead is not included and must be sourced from your power supply or purchased separately.

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