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Home Networking USB Hubs StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

StarTech.com 4-Port USB 3.2 Gen 2 (10Gbps) PCIe Expansion Card

Brand:

StarTech.com

High-performance 4-port USB-A 10Gbps PCIe expansion card equipped with dual host controllers for 20Gbps total shared bandwidth, UASP protocol support, and SATA power supply for enterprise storage and high-speed desktop connectivity.

OVERVIEW

The StarTech.com PEXUSB314A2V2 is a high-bandwidth PCIe 2.0/3.0 x4 expansion card that adds four independent SuperSpeed USB-A (10Gbps) external ports to desktop PCs, workstations, and enterprise servers. Designed for data-intensive enterprise environments, media ingest stations, and IT infrastructure updates, this adapter resolves legacy bandwidth bottlenecks by leveraging dual ASMedia ASM3142 host controllers to deliver up to 20Gbps of aggregate throughput across all four ports. OS-level native driver support ensures seamless OS compatibility across Windows, Windows Server, Linux, and macOS platforms. Compared to single-controller USB expansion cards like the PEXUSB312C3 or legacy USB 3.0 adapters, the PEXUSB314A2V2 provides double the available internal bus architecture, eliminating single-chip channel saturation when operating multiple NVMe enclosures or industrial vision cameras simultaneously.

USE CASES

High-Speed External NVMe/SSD Storage Ingestion: Connect up to four external high-speed NVMe/SATA SSD enclosures simultaneously for rapid data backup, forensics, or off-site data transportation without single-bus throttling.
Enterprise Workstation Storage Expansion: Retrofit older legacy motherboard platforms lacking native USB 3.2 Gen 2 (10Gbps) ports to match modern flash storage throughput requirements.
Industrial Vision & Automated Imaging Systems: Power multiple high-resolution industrial USB 3.2 vision cameras in automated manufacturing, quality control, and laboratory test environments requiring consistent per-port bandwidth.
Server Backup & Data Center Archiving: Provide high-speed external tape array or multi-bay JBOD storage connectivity to rackmount servers running Windows Server or Linux operating systems.
Media & Post-Production Editing Rigs: Simultaneously offload high-bitrate 4K/8K camera footages from multiple USB 3.2 Gen 2 card readers and flash media stations.
IT Maintenance & Bench Imaging Hardware: Upgrade IT technician bench machines with dedicated high-speed diagnostic and deployment channels for mass USB device provisioning.

KEY FEATURES

Dual ASMedia ASM3142 Controllers - Dedicated Dual-Channel Bandwidth: Allocates 10Gbps host bus channels across dual chipset controllers to offer 20Gbps aggregate performance, preventing bandwidth degradation when using all four ports simultaneously.
USB Attached SCSI Protocol (UASP) Support - Accelerated Storage Speeds: Optimizes transfer queues with UASP support, increasing transfer speeds by up to 70% read and 40% write over standard USB 3.0 when paired with UASP-capable storage.
PCI Express 2.0/3.0 x4 Interface - Host Slot Compatibility: Fits standard PCIe x4, x8, or x16 slots, making it simple to deploy across legacy desktop platforms and modern enterprise server motherboards.
Supplemental SATA 15-Pin Power Connector - Stable Power Delivery: Delivers up to 5V/0.9A (4.5W) of bus power per USB port, ensuring connected high-draw portable SSDs and optical drives remain stable during heavy usage.
Multiple INs Architecture - Optimized Multi-Device Bandwidth: Reduces bandwidth loss when mixing USB devices of varying speeds (Gen 2, Gen 1, USB 2.0) on connected hubs or direct ports.
Native OS Driver Integration - Fast Plug-and-Play Deployment: Automatically installs drivers on Windows 8+, Windows Server 2012 R2+, Linux, and macOS for fast, agentless deployments.
Full-Profile Bracket Design - Secure Server & Desktop Mounting: Comes fitted with a standard-profile PCI bracket to ensure rigid installation in mid-to-full tower chassis and standard rackmount servers.

TECHNICAL SPECIFICATIONS

Brand: StarTech.com
Model SKU: PEXUSB314A2V2
Ports: 4 x USB 3.2 Gen 2 Type-A (External, 9-pin, 10Gbps)
Host Interface: PCI Express x4 (PCIe 2.0 bus / PCIe 3.0 slot physical compatible)
Chipset / Controllers: 2 x ASMedia ASM3142 Host Controller, 1 x ASMedia ASM1812 PCIe Switch
Max Data Rate: 10Gbps per port (20Gbps total shared bandwidth)
Protocol Support: USB 3.2 Gen 2, UASP Rev 1.0, Intel xHCI Rev 1.1, PCIe Base Rev 2.0
Power Input / Output: 1 x 15-Pin SATA Internal Power Header; up to 5V / 0.9A (4.5W) per port
Ultra-Short System Compatibility: Windows 7–11, Win Server 2012 R2–2022, macOS 10.13–15.0+, Linux kernel 3.5+
Hardware Compatibility: Fits PCIe x4, x8, x16 slots; standard full-profile bracket installed
MTBF & Standards: 40,000 Hours; CE, FCC, RoHS, TAA Compliant
Dimensions & Weight: 150 mm x 120 mm x 19 mm; 125 g

Why Choose This Product?

Eliminates Bus Bottlenecks: Dual controller architecture provides twice the host-side bandwidth of single-chip alternative cards, keeping all four 10Gbps ports operating efficiently under load.
Low Total Cost of Ownership (TCO): Extends the operational lifecycle of legacy workstation and server inventory without costly system board upgrades.
Enterprise-Grade Power Stability: Integrated SATA power header provides supplementary current, preventing device drops caused by motherboard power limitations.
Cross-Platform Versatility: Native OS driver support simplifies deployment across mixed OS environments (Windows, Linux, macOS).
Backward Compatibility Assurance: Fully supports legacy USB 3.2 Gen 1 (5Gbps), USB 3.0, and USB 2.0 peripherals, protecting existing hardware investments.
TAA Compliant & Enterprise Backed: Conforms to Federal Trade Agreements Act (TAA) standards for governmental and institutional procurement, backed by a StarTech.com lifetime warranty.

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