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header-product USB 3.0 Card StarTech.com PEXUSB3S11

USB 3.0 Card StarTech.com PEXUSB3S11

USB 3.0 Card StarTech.com PEXUSB3S11 Photo 1
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 2
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 3
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 4
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 1
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 2
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 3
USB 3.0 Card StarTech.com PEXUSB3S11 Photo 4

Short description

The StarTech.com 2 port PCI Express SuperSpeed USB 3.0 Card offers 1 internal and 1 external USB 3.2 Gen 1 port with UASP support. It features a PCIe host interface and provides data transfer rates up to 5120 Mbit/s. Compatible with various Windows operating systems, this card enhances connectivity with its wired technology. Dimensions: 76mm x 121mm x 19mm.
Warranty: 2 Years
SKU: 433565
Manufacturer: StarTech
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Product information

Description

The USB 3.0 Card StarTech.com PEXUSB3S11 adds one internal and one external SuperSpeed USB 3.0 (USB 3.2 Gen 1) port to a desktop PC via a PCI Express slot. It uses a native NEC PCIe host controller and supports data transfer rates up to 5 Gbps while remaining backward compatible with USB 2.0 and 1.1 devices. The card includes an internal header for front-bay hubs or internal USB 3.0 storage and an optional SATA power connector to supply up to 900 mA per port for bus-powered devices.

Advantages

The PEXUSB3S11 provides both internal and external connectivity in a compact card, enabling connection of internal drives or front-panel hubs as well as external peripherals. It supports UASP (USB Attached SCSI Protocol) for improved throughput and reduced CPU usage when paired with a UASP-capable enclosure and compatible operating system. The card is backward compatible with older USB standards and is supported by StarTech.com’s lifetime warranty and technical support.

Suitable for

  • Adding an external SuperSpeed USB 3.0 port to a desktop PC
  • Connecting internal USB 3.0 storage devices or front-bay USB hubs
  • Accelerating transfers with UASP-enabled enclosures on compatible OS (e.g., Windows 8, Server 2012, modern Linux kernels)
  • Powering bus-powered USB devices using the optional SATA power connection

Key specifications

  • Model: StarTech.com PEXUSB3S11
  • Interface: PCIe host interface
  • Ports: 1 internal USB 3.2 Gen 1 (USB 3.0) header, 1 external USB 3.2 Gen 1 Type-A port
  • Maximum transfer rate: up to 5 Gbps (5120 Mbit/s)
  • UASP support: Yes (requires compatible OS and enclosure)
  • Optional power: SATA power connector; up to 900 mA per USB 3.0 port (500 mA for USB 2.0)
  • Dimensions: 76 mm x 121 mm x 19 mm
  • Weight: 0.04 kg
  • Colour: Red

How to use

Power down the PC and install the card into an available PCI Express slot on the motherboard. If you require internal USB connectivity, connect a compatible front-bay hub or internal device to the board’s internal USB 3.0 header. If powering high-draw bus-powered devices, connect the optional SATA power cable from your system power supply to the card before powering on. Install drivers or verify the operating system recognizes the controller; UASP functionality requires a supported OS and a UASP-capable enclosure.

Usage recommendations

For best performance with UASP, use a UASP-enabled external enclosure and a compatible operating system (for example Windows 8 or later, Server 2012, or Linux kernel 2.6.3+). When connecting bus-powered devices that require more current, attach the optional SATA power connector to provide up to 900 mA per USB 3.0 port.

Specifications

Host interface: Interface that enables a host controller to communicate with a driver.
PCIe
Output interface: The socket (port) where the output connectors are connected.
USB 3.2 Gen 1 (3.1 Gen 1)
All features

Weight & dimensions

Package weight: Weight of the packaged product.
135 g
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.04 kg
Height: The measurement of the product from head to foot or from base to top.
19 mm
Depth: The distance from the front to the back of something.
121 mm
Width: The measurement or extent of something from side to side.
76 mm

Operational conditions

Operating relative humidity (H-H):
0 - 85
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 60
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 50

System requirements

Compatible operating systems: List of desktop operating systems tested as compatible with this product.
Microsoft Windows XP/Server 2003/Vista/7/Server 2008 R2

Other features

Quantity outer carton:
40 pc(s)
Mac compatibility: Product can be used with Apple Mac software and/or hardware.
No
Ports quantity: The number of ports or external interfaces to which other equipment can be connected.
2
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Data transfer rate: Rate at which data can be transferred, usually measured in units per second. May vary with network configurations.
5120 Mbit/s

Logistics data

Harmonized System (HS) code:
84733020

Packaging data

Package height: The distance from the top to the bottom of the packaging.
30 mm
Package depth: The distance from the front to the back of the packaging.
175 mm
Package width: The distance from one side of the packaging to the other.
140 mm

Design

Product colour: The colour e.g. red, blue, green, black, white.
Red

Ports & interfaces

Host interface: Interface that enables a host controller to communicate with a driver.
PCIe
Output interface: The socket (port) where the output connectors are connected.
USB 3.2 Gen 1 (3.1 Gen 1)

Performance

Certification:
CE, FCC

Description

Machine translation.

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, output interface, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery
Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment
Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.