PCI Express Card Adapter StarTech.com PEXUSB3S42V

Name: PCI Express Card Adapter StarTech.com PEXUSB3S42V
Brand: StarTech
SKU: 433575
Price: 75.49 EUR
Availability: InStock

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Short description

The StarTech.com 4 Port PCI Express USB 3.0 Card Adapter offers 2 dedicated 5Gbps channels, supporting UASP for faster data transfer. Compatible with Windows and Server OS, it features a full-height/low-profile form factor and a maximum cable length of 3m. With a data transfer rate of up to 5 Gbit/s, it is powered via SATA/LP4, ensuring reliable performance for your USB devices.

Available at price 75.49 €: 10 pcs.

Total available for order: 22 pcs.

Warranty: 2 Years

SKU: 433575

Manufacturer: StarTech

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From 4.99 € (Weight: 2.00 kg)

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Product information

Description

The StarTech.com PEXUSB3S42V PCI Express Card Adapter adds four USB 3.2 Gen 1 (USB 3.0) ports to a PCIe x4-enabled desktop, using two independent 5 Gbps channels. The card supports UASP for improved transfer efficiency, includes optional SATA or LP4 power input to supply higher current to connected devices, and is backwards compatible with USB 2.0/1.1. It ships with a full-height bracket and a low-profile bracket for small form-factor systems and is backed by a 2-year StarTech.com warranty.

Advantages

Two dedicated host controller channels split the four ports into two independent 5 Gbps links, reducing bandwidth contention compared with single-bus designs and effectively providing up to 10 Gbps aggregate throughput. UASP support accelerates transfers and reduces CPU overhead when used with a UASP-capable enclosure and compatible OS. Optional SATA or LP4 power input delivers up to 900 mA per USB 3.2 Gen 1 port for bus-powered devices and the card supports USB Battery Charging 1.2 (Apple Mode) for faster charging of compatible Apple devices. The adapter provides backward compatibility with USB 2.0/1.1 and includes both standard and low-profile brackets for versatile installation.

Suitable for (tasks / use cases)

Adding multiple high-speed USB ports to a desktop PC
Improving transfer speeds for external SSDs or RAID enclosures with UASP support
Connecting and charging high-power USB devices that require additional power input
Upgrading small form-factor systems using the included low-profile bracket

Key specifications

Interface: PCI Express (PCIe x4)
Output: 4 × USB 3.2 Gen 1 ports (5 Gbps each, arranged as two independent channels)
UASP: Supported (requires compatible OS and enclosure)
Power input: Optional SATA or LP4 (Molex) connector; up to 900 mA per USB 3.2 Gen 1 port
Backward compatibility: USB 2.0 / 1.1
Form factor: Full-height bracket included; low-profile bracket included
Manufacturer: StarTech.com, MPN: PEXUSB3S42V, EAN: 0065030854597

How to use

Install the card into an available PCIe x4 (or larger) slot on a powered-off desktop motherboard, secure it with the bracket screw, and replace the case cover. If additional power is required for high-current devices, connect the system power supply to the card using the provided SATA or LP4 power connector. Install any necessary drivers provided by the operating system or StarTech.com. For UASP performance, connect the card to a UASP-capable enclosure and ensure the operating system supports UASP.

Usage recommendations

For best performance, use quality USB 3.2 Gen 1 cables (maximum recommended length 3 m), connect UASP-capable enclosures when possible, and provide the optional SATA/LP4 power connection for bus-powered high-current devices. Verify OS compatibility for UASP to realize the full performance benefits.

Specifications

Host interface:: PCIe
Weight:: 0.09 kg
Internal:: Yes
Output interface:: USB 3.2 Gen 1 (3.1 Gen 1)

All features

Operational conditions

Operating relative humidity (H-H):: 5 - 85
Storage temperature (T-T):: -20 - 60
Operating temperature (T-T):: 0 - 50

Technical details

Compliance certificates:: RoHS

Ports & interfaces

Host interface:: PCIe
Peripheral (Molex) power connectors (4-pin):: 1
Output interface:: USB 3.2 Gen 1 (3.1 Gen 1)
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:: 4
Expansion card standard:: PCIe 2.0
Expansion card form factor:: Full-height / Low-profile

Other features

Manual:: Yes
Drivers included:: Yes

Weight & dimensions

Weight:: 0.09 kg
Package weight:: 200 g
Height:: 120 mm
Width:: 15 mm
Depth:: 167 mm

System requirements

Windows operating systems supported:: Windows 7 Ultimate x64, Windows 8, Windows 7 Ultimate, Windows 7 Starter x64, Windows 7 Home Basic x64, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 7 Professional x64, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Starter, Windows 10 Pro x64
Linux operating systems supported:: Y
Server operating systems supported:: Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2

Design

Internal:: Yes
Maximum cable length:: 3 m

Performance

Certification:: CE, FCC
Chipset:: 2 x Renesas / NEC - µPD720202
Hot-swap:: Yes

Logistics data

Harmonized System (HS) code:: 84733020

Packaging data

Package depth:: 209 mm
Package height:: 39 mm
Package width:: 145 mm
User guide:: Yes

Features

Data transfer rate (max):: 5 Gbit/s
UASP support:: Yes

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Instructions

mmo_21037306_1476269854_2039_11992.pdf

startech-PEXUSB3S42V-433575.pdf

Description

Instructions

mmo_21037306_1476269854_2039_11992.pdf

startech-PEXUSB3S42V-433575.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH354	10	13.07.2026	75.49 € Best price

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	10	20.07.2026	80.49 €
EU9	2	06.07.2026 Best delivery	83.49 €

75.49 €

Stock: 10

Delivery Date: 13.07.2026

Warehouse: WH354

Available only for legal entities

80.49 €

Stock: 10

Delivery Date: 20.07.2026

Warehouse: WH109

83.49 €

Stock: 2

Delivery Date: 06.07.2026 Best delivery

Warehouse: EU9

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Customer questions

FAQ

How much does the PCI Express Card Adapter StarTech.com PEXUSB3S42V cost, and is it available for purchase?

The price is 75.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can PCI Express Card Adapter StarTech.com PEXUSB3S42V be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the PCI Express Card Adapter StarTech.com PEXUSB3S42V online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
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Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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, weight, internal, 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.

Where can I download the instructions for PCI Express Card Adapter StarTech.com PEXUSB3S42V?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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