PEXUSB312C3 Specifications
StarTech 2‑Port USB‑C PCIe USB 3.2 Gen 2 Expansion Card
Manufacturer: StarTech
Manufacturer Model: PEXUSB312C3
Product Line: StarTech PCIe USB Expansion Cards
Product Series: USB 3.2 Gen 2 Type‑C (10 Gbps)
Product Type: Internal PCIe USB Adapter Card
Product Name: StarTech 2‑Port PCIe USB‑C 10 Gbps Card
KEY FEATURES:
PCIe Interface: PCI Express 3.0 x4 expansion card
USB Ports: 2 × USB‑C SuperSpeed USB 3.2 Gen 2 (10 Gbps)
Chipset: ASMedia ASM3142
UASP Support: Yes (USB Attached SCSI Protocol)
Backward Compatible: USB 3.2 Gen 1 (5 Gbps) and USB 2.0 (480 Mbps)
SATA Power Header: Optional SATA power connector for high‑power devices
Brackets Included: Full‑height and low‑profile brackets for various chassis
Operating System Support: Windows, macOS, Linux
Warranty: 2‑year StarTech warranty with free lifetime technical support
PERFORMANCE:
Maximum Data Transfer Rate: Up to 10 Gbps per USB‑C port
Total Combined Bandwidth: USB 3.2 Gen 2 speeds over two ports
Power Delivery Note: Ports provide standard USB 3.2 power (does not support DisplayPort Alt Mode or USB Power Delivery video/power standards)
ENVIRONMENTAL & RELIABILITY:
Operating Temperature: 0 °C to 70 °C
Storage Temperature: –20 °C to 85 °C
Operating Humidity: 20 % to 80 % RH
Designed for desktop/server peripheral expansion use
PHYSICAL:
Form Factor: Internal PCIe expansion card
Host Bus Required: PCI Express x4 (compatible with x8/x16 slots)
Typical Dimensions: ~80 mm × 122 mm × 18 mm (WxDxH)
Weight: ~45 g
Color: Red PCB with metal bracke

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