Description
Supermicro Low Profile Dual-Port NVMe Internal Host Bus Adapter
Elevate your data center performance with the Supermicro NVMe HBA, a compact, low-profile solution engineered for demanding storage workloads. The AOC-SLG3-2E4T dual-port internal Host Bus Adapter brings two NVMe OCuLink connections into your server, delivering high-bandwidth, low-latency access to NVMe SSDs right inside the chassis. Built on PCIe Gen3 retimer technology, this card preserves signal integrity across NVMe paths, enabling scalable throughput for databases, virtualization, real-time analytics, and other data-intensive applications. Its streamlined design makes it an excellent fit for 1U/2U rack servers, blade enclosures, and other dense deployments where every millimeter of space and every cycle of performance counts.
- Dual-port internal NVMe connectivity with two NVMe OCuLink connectors enables direct, high-bandwidth access to fast NVMe SSDs inside your server, supporting parallel workloads and reduced I/O contention. This design minimizes bottlenecks by offering separate NVMe paths for simultaneous read/write operations, helping to accelerate workloads such as database queries, large-scale virtualization, and analytics pipelines.
- PCIe Gen3 retimer technology ensures robust signal integrity and stable performance across NVMe paths, even when cabling spans within dense server environments. The retimer helps maintain peak throughput as your storage array grows or cabling length increases, contributing to dependable performance consistency under heavy I/O pressure.
- Low-profile, half-height form factor fits neatly into a wide range of chassis and server platforms, including compact 1U and 2U servers. The slim design leaves room for additional add-in cards and PCIe devices, making it an ideal upgrade for data centers expanding NVMe-based storage without overhauling existing server trays.
- Designed for enterprise reliability and straightforward deployment, the AOC-SLG3-2E4T works with standard server BIOS/OS workflows and requires no specialized drivers for typical NVMe support. Its robust components and thermal-aware layout are built to endure continuous 24/7 operation in data-center environments while maintaining consistent NVMe performance.
- Easy integration with existing storage architectures, enabling rapid capacity and performance upgrades. The dual-port design supports scalable NVMe arrays and flexible topology configurations, helping data teams optimize throughput for mixed workloads, tiered storage, or direct-attached NVMe storage inside the server.
Technical Details of Supermicro Low Profile Dual-Port NVMe Internal Host Bus Adapter
- Card form factor: Low-profile PCIe add-on card (half-height); standard bracket included for compatibility with a wide range of chassis.
- Connectors: 2 x NVMe OCuLink internal connectors for direct NVMe SSD connectivity inside the server.
- Host interface: PCIe Gen3 with retimer technology to preserve signal integrity and performance across NVMe paths.
- Supported storage pathway: Internal NVMe SSDs connected via OCuLink cables within the server; designed for internal storage expansion rather than external enclosures.
- Target deployments: Ideal for enterprise servers, data centers, and storage-dense environments needing high-throughput NVMe connectivity in a compact, low-profile card.
How to install Supermicro NVMe HBA
- Power down the server, unplug power cords, and remove the chassis cover to access the motherboard and PCIe slots.
- Identify an available PCIe slot that matches the card’s form factor and compatibility requirements; remove any adjacent expansion cards only if necessary to fit the low-profile card.
- Insert the AOC-SLG3-2E4T into the PCIe slot with care, ensuring firm seating and alignment with the slot. Secure the bracket to the chassis with the appropriate screw to prevent movement.
- Connect NVMe storage devices to the two internal NVMe OCuLink connectors using compatible OCuLink cables, routing cables neatly to avoid bending or interference with other components.
- Reassemble the chassis, power on the server, and enter the BIOS/UEFI to confirm the HBA is detected. In the operating system, initialize and format NVMe drives as needed, and configure any desired storage topology or RAID if applicable.
Frequently asked questions
- What is the Supermicro AOC-SLG3-2E4T? It is a low-profile dual-port NVMe internal HBA designed to add two NVMe OCuLink connections to a server, enabling high-speed internal storage access and scalable performance for data-intensive workloads.
- How many NVMe devices can be connected? The card provides two internal NVMe OCuLink connectors, allowing two NVMe SSDs (or equivalent NVMe devices) to be connected inside the server via separate paths for enhanced parallelism and throughput.
- Do I need special drivers? In most operating environments, NVMe devices are detected by the OS with standard drivers. The AOC-SLG3-2E4T is designed for compatibility with common server platforms, and no special driver installation is typically required for basic NVMe operation.
- What servers or chassis is this card compatible with? The card is intended for servers that support standard PCIe expansion and have space for a low-profile/half-height add-on card. It is designed to work with Supermicro platforms and other enterprise servers that accommodate PCIe Gen3 cards, but users should verify chassis clearance and PCIe slot compatibility before purchase.
- What is OCuLink and why use it? OCuLink is an internal NVMe signaling interface that enables direct, high-bandwidth connections between the host and NVMe storage devices. It supports compact cabling within servers and is ideal for internal NVMe storage expansion without external cables or enclosures.
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