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StarTech 4Port PCIe USB 3.0 Adapter Card - 1 Internal & 3 External

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MSRP: $76.00
— You save $7.00


Here’s a cost-effective solution for adding USB 3.0 connectivity to your computer. This 4-port PCIe USB 3.0 card gives you three external ports and one internal port, for the ultimate connection flexibility. Enjoy convenient USB 3.0 port availability With three external USB 3.0 ports you can connect more devices to your computer. The card provides easy access to commonly-used peripherals such as your tablet and external hard drive. It also features an internal USB port that lets you connect a device such as a flash drive inside your computer case, providing added security and convenience. USB 3.0 gives you fast access to your files with data transfer rates up to 5 Gbps. Plus it's backward compatible with USB 2.0 and 1.x devices, which eliminates the cost and aggravation of upgrading your existing devices. Get up and running quickly Setup is a breeze with native operating system support. The USB 3.0 adapter card automatically installs in Windows® 8.1, 8 and 7. For convenient installation, this PCI Express USB 3.0 card features a dual-profile design that can be installed in almost any type of computer. It comes equipped with a standard profile bracket and also includes a low-profile bracket for installation in small form-factor/half-height systems. UASP support for more efficient data transfers This high-performance USB 3.0 card is enhanced with UASP support, which can perform ~70% faster read speed and ~40% faster write speed over traditional USB 3.0, when paired with UASP-enabled enclosure.

UASP speed benefit diagram The PEXUSB3S42 is backed by a 2-year warranty and free lifetime technical support. Note: UASP (USB Attached SCSI Protocol) is supported in Windows 8.1, 8, Server 2012 and Linux kernel 2.6.37 or later. Test results were obtained using an Intel® Ivy Bridge system, add-on USB 3.0 cards, a UASP-enabled enclosure, and a SATA III solid state drive.

Port StyleIntegrated on Card
Packaging Information
Package Height30 mm [1.2 in]
Package Length14.4 cm [5.7 in]
Package Width17.1 cm [6.7 in]
Shipping (Package) Weight141 g [5 oz]
Maximum Cable Length3 m [9.8 ft]
Maximum Data Transfer Rate5 Gbps
MTBF24,000 hours
Type and RateUSB 3.0 - 5 Gbit/s
UASP SupportYes
Physical Characteristics
Product Height12 cm [4.7 in]
Product Length87 mm [3.4 in]
Product Width19 mm [0.7 in]
Weight of Product55 g [1.9 oz]
OS CompatibilityWindowsᆴ XP, Vista, 7, 8, 8.1, 10
Windows Serverᆴ 2008 R2, 2012, 2012 R2, 2016, 2019
Linux 2.6.31 to 4.11.x LTS Versions only
Special Notes / Requirements
NoteThe maximum throughput of this card is limited by the bus interface. If used with PCI Express Gen 1.0 enabled computers, the max throughput is 2.5 Gbps. If used with PCI Express Gen 2.0 enabled computers, the max throughput is 5 Gbps.
System and Cable RequirementsPCI Express enabled computer or server with an available PCI Express x1 slot or higher (x4, x8, x16)
SATA power connector (recommended, but optional)
InterfaceUSB 3.0
Industry StandardsUSB 3.0 Specification Rev. 1.0
PCI Express Base Specification Rev. 2.0
Intel xHCI Specification Rev. 1.0
Chipset IDVIA/VLI - VL805
Card TypeStandard Profile (LP bracket incl.)
Bus TypePCI Express
Storage Temperature-20ᄚC to 60ᄚC (-4ᄚF to 140ᄚF)
Operating Temperature5ᄚC to 50ᄚC (41ᄚF to 122ᄚF)
Humidity20~80% RH
Internal PortsUSB Type-A (9 pin) USB 3.0 Female
SATA Power (15 pin) Plug
External PortsUSB Type-A (9 pin) USB 3.0 Female
Connector Type(s)PCI Express x1 Male
What's in the Box
Included in Package4 Port PCI Express USB 3.0 Card
Driver CD
Instruction Manual
Low-Profile Bracket
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Warranty Information

2 Year
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Additional Information

In Stock
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