Description
Supermicro 1 UIO & 3 PCI Express x8 Slot Riser Card Left Side
Designed for compact, high-density 1U server deployments, the Supermicro 1 UIO & 3 PCI Express x8 Slot Riser Card Left Side delivers powerful expansion while preserving critical airflow and cable management inside tight chassis. This left-side riser card is engineered to maximize I/O density in modern data centers, enabling you to add GPUs, NICs, accelerators, and high-performance storage controllers without compromising performance or rack space. With three PCIe x8 slots and a dedicated Universal I/O (UIO) interface, this solution combines versatility and reliability, making it ideal for compute-intensive workloads, virtualization, network acceleration, and storage-heavy configurations. Built to integrate seamlessly with 1U chassis, it supports efficient cabling, straightforward installation, and a durable, long-life design suitable for demanding data-center environments. Whether you’re upgrading an existing 1U server or building a compact, purpose-built appliance, this riser card helps you scale I/O topology while maintaining optimal thermal performance and airflow pathways.
- Three PCI Express x8 expansion slots on a single left-side riser provide flexible, high-bandwidth add-ons for GPUs, NICs, storage controllers, and acceleration cards. The x8 lanes ensure robust data throughput for bandwidth-intensive workloads, while the left-side orientation keeps rear I/O clean and accessible in typical 1U configurations. This combination is ideal for dense server nodes where maximizing PCIe capacity without increasing chassis height is critical.
- 1 UIO (Universal I/O) framework consolidates essential backplane and I/O connections, simplifying cable routing and reducing clutter inside crowded 1U enclosures. By centralizing I/O pathways, the riser card helps streamline system assembly, maintenance, and field upgrades, ensuring consistent signal integrity across all PCIe connections and related interfaces during high-speed data transfers.
- Four universal I/O connectors extend compatibility with common server backplanes and motherboards, enabling reliable interfacing with backplane traces and peripheral devices. This capacity supports a variety of deployment scenarios—from high-speed networking to storage expansion—while maintaining adaptability for future upgrades without requiring a complete chassis redesign.
- Left-side design for 1U chassis installations preserves airflow and cooling efficiency by aligning the riser’s connectors with standard rear-access backplanes. The compact form factor minimizes obstruction to intake vents and fans, helping sustain optimal thermal performance in dense data-center racks and preventing hotspots around PCIe devices.
- Built for reliability in demanding environments, this riser card uses a robust PCB and high-quality connectors to ensure consistent signal delivery and long-term operation in busy data centers. Its mechanical compatibility with 1U servers, along with standardized mounting points, simplifies integration into existing fleets and reduces maintenance overhead when scaling I/O capacity across multiple nodes.
Technical Details of Supermicro 1 UIO & 3 PCI Express x8 Slot Riser Card Left Side
- PCI Express slots: 3 x PCIe 8-lane (x8) slots
- I/O: 4 x Universal I/O connectors
- Form factor: 1U chassis-compatible riser card, left-side orientation
- Orientation: Left side of the chassis, designed to align with standard 1U backplanes
- Compatibility: Suitable for use in 1U server chassis systems with PCIe x8 support and left-side expansion
How to Install Supermicro 1 UIO & 3 PCI Express x8 Slot Riser Card Left Side
- Power down the server completely, unplug the power cords, and discharge any static electricity before handling internal components. Remove the chassis cover following the manufacturer’s safety guidelines to access the motherboard and PCIe slots.
- Identify a compatible PCIe x8 slot on the motherboard that aligns with the left-side riser’s connectors. Ensure there is adequate clearance behind the chassis for the riser card and attached cables, and review the server’s documentation for any platform-specific installation notes.
- Gently align the riser card with the selected PCIe x8 slot and insert it firmly until the connectors are fully seated. Avoid wiggling or forcing the card, as improper seating can cause intermittent failures or damage to the PCIe edge connectors.
- Secure the riser card to the chassis using the supplied mounting hardware or screws as dictated by the server design. Route any cables carefully to prevent interference with fans, cooling ducts, or other onboard components, maintaining clear airflow paths around the PCIe region.
- Connect the 4 x Universal I/O connectors to the corresponding backplane or motherboard headers according to your server’s documentation. Double-check alignment to ensure each connector is fully engaged and that cabling is organized for optimal airflow and maintenance access.
- Reinstall the chassis cover, reconnect power, and boot the server. Enter the BIOS/UEFI and operating system to verify the riser card is detected. Install any required drivers or firmware updates specified by Supermicro or your motherboard vendor to ensure full feature support and stability.
Frequently asked questions
- What is included with the Supermicro 1 UIO & 3 PCI Express x8 Slot Riser Card Left Side? The riser card itself is provided. Depending on your platform, you may need additional backplane connectors or mounting hardware, which are typically supplied by the server chassis manufacturer.
- How many PCIe lanes does each x8 slot provide? Each PCIe x8 slot offers eight PCIe lanes, enabling substantial bandwidth for high-performance adapters and accelerators while maintaining compatibility with standard PCIe devices.
- Is this riser compatible with all 1U servers? It is designed for 1U chassis configurations that support PCIe x8 expansion on the left side. Always verify compatibility with your specific motherboard, backplane, and chassis documentation before purchase.
- Do I need special tools to install? In most cases, a standard Phillips head screwdriver is sufficient for mounting screws. Follow the server’s installation guide to ensure warranty compliance and proper torque on mounting hardware.
- Will using this riser impact server airflow? When installed correctly in a compatible 1U chassis, the left-side riser is designed to fit within the chassis’ airflow path without obstructing airflow to critical components, provided cables are neatly managed.
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