STARTECH
STARTECH PEXUSB321C 1-Port USB 3.2 Gen 2x2 PCIe Expansion Card
Adds a USB-C port delivering 20Gbps over a PCIe 3.0 x4 slot with UASP support for NVMe drives
- TypePCI Express to USB Card
- External USB PortsUSB Type-C (24 pin, Gen 2x2, 20Gbps)
- StandardUSB 3.2 Specification Rev. 1.0 PCI Express Base Specificatio
- Data Transfer Rate20Gbps
- Operating Systems SupportedWindows 8, 8.1, 10 Windows Server 2012 R2, 2016, 2019 macOS
- CompatibilityPCI Express enabled computer or server with a PCI Express x4
- Add a 20Gbps USB-C port with USB 3.2 Gen 2x2
- ASMedia ASM3242 controller handles mixed-speed devices efficiently
- UASP support speeds up external NVMe storage
- Fits full-height or low-profile PCIe 3.0 x4 slots
- Works on Windows, macOS and Linux without extra drivers
Single-port USB 3.2 Gen 2x2 PCIe card
The StarTech PEXUSB321C adds one USB Type-C port with 20Gbps bandwidth to a desktop or server. It installs in a PCI Express 3.0 x4 slot and uses the ASMedia ASM3242 host controller. Windows, Linux and macOS are supported with automatic driver loading on Windows 8 and later. The card includes both full-height and low-profile brackets.
Builders needing one 20Gbps USB-C data port
Suits users who want a single high-speed USB-C connection for external SSDs, NVMe enclosures or other Gen 2x2 devices. UASP support improves storage throughput on compatible drives. Not for systems lacking a PCIe x4 or larger slot, nor for anyone requiring DisplayPort Alt Mode or USB Power Delivery charging. The port delivers up to 15W of power for bus-powered peripherals only.
Requires PCIe 3.0 x4 for full 20Gbps speed
The card’s maximum throughput is limited by the host bus interface. PCI Express Gen 1 slots cap bandwidth at 10Gbps, while Gen 2 or Gen 3 x4 links are needed to reach the rated 20Gbps. Verify the motherboard or riser provides at least a Gen 2 x4 connection before purchase.
Ciri-ciri utama
- Add a 20Gbps USB-C port with USB 3.2 Gen 2x2
- ASMedia ASM3242 controller handles mixed-speed devices efficiently
- UASP support speeds up external NVMe storage
- Fits full-height or low-profile PCIe 3.0 x4 slots
- Works on Windows, macOS and Linux without extra drivers
Spesifikasi
| Brand | StarTech.com |
|---|---|
| Model | PEXUSB321C |
| Type | PCI Express to USB Card |
| External USB Ports | USB Type-C (24 pin, Gen 2x2, 20Gbps) |
| Standard | USB 3.2 Specification Rev. 1.0 PCI Express Base Specification Rev. 3.0 Intel xHCI Specification Rev. 1.1 UASP (USB Attached SCSI Protocol) Rev. 1.0 |
| Data Transfer Rate | 20Gbps |
| Operating Systems Supported | Windows 8, 8.1, 10 Windows Server 2012 R2, 2016, 2019 macOS 10.13 to 10.15, 11.0 Linux 3.5 or later LTS version only |
| Compatibility | PCI Express enabled computer or server with a PCI Express x4 slot or higher (x8, x16) Note: The card's USB-C ports are standard data throughput port. They do not support DP Alt Mode or USB Power Delivery. The maximum throughput of this card is limited by the bus interface. PCI Express Gen 1.0 max throughput is 10Gbps. A PCI Express Gen 2 or Gen 3 port is required to reach speeds up to 20Gbps. |
| Specifications | Ports: 1 Interface: PCI Express x4 Bus Type: PCI Express Card Type: Standard Profile (LP bracket incl.) Chipset ID: ASMedia - ASM3242 Maximum Data Transfer Rate: 20Gbps Type and Rate: USB 3.2 Gen 2x2 (20Gbps) UASP Support: Yes MTBF: 3,126,209 Hours |
| Features | USB 3.2 Gen 2x2 PCIe card has 1x USB Type-C port supporting SuperSpeed 20Gbps Host controller card with ASMedia ASM3242 USB-C PCI Express expansion card supports Multiple INs for max bandwidth w/mixed-speed devices Adapter card w/UASP support optimizes USB performance w/ SSDs/HDDs/NVMe drives Up to 15W of power Install add-on card in full or low-profile PCI-e 3.0 x4 slot Win/Linux/macOS w/auto drivers on Windows 8 and up Supports all older USB 3.1/3.0/2.0 devices |
| Dimensions | 0.9" x 3.1" x 2.0" |
| Weight | 1.3 oz. |
| Package Contents | PCI Express USB Card Full Profile Bracket (Installed) Low Profile Bracket Quick-Start Guide |
| Berat penghantaran | 0.10 kg |
| Dimensi bungkusan | 170 × 142 × 30 mm |
Soalan tentang produk ini
Does the card include a low-profile bracket or only the full-size one?
Both brackets are supplied; the full-profile bracket comes pre-installed and the low-profile bracket is included for slim chassis.
Which PCI Express generation is needed to reach the 20Gbps headline speed?
A PCIe 2.0 or 3.0 x4 slot is required; a PCIe 1.0 slot caps throughput at 10Gbps.
Can the single USB-C port deliver the full 20Gbps when an NVMe enclosure is attached?
Yes, the ASMedia ASM3242 controller supports Multiple INs so mixed-speed devices share the 20Gbps bandwidth without bottlenecking the NVMe drive.
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