The Supermicro AOC-SLG3-2M2 is an M.2 SSD carrier card designed to expand storage capabilities in computer systems by allowing the integration of up to two Non-Volatile Memory express (NVMe) M.2 Solid-State Drives (SSDs). This expansion card leverages M.2 solid-state technology, which is characterized as an optimized, high-performance, and scalable storage solution. It is specifically streamlined for both enterprise and client systems that can utilize the advanced capabilities of PCI-Express.
Function Description:
The primary function of the AOC-SLG3-2M2 is to provide a platform for installing and utilizing M.2 NVMe SSDs within a system that may not have native M.2 slots or requires additional M.2 storage. By converting the M.2 SSD interface to a PCIe interface, the card allows these high-speed drives to connect to a motherboard's PCIe slot, thereby enabling fast data transfer rates inherent to NVMe technology. The card supports two M.2 SSDs, effectively doubling the potential M.2 storage capacity that can be added via a single expansion slot. It is compatible with various operating systems, including Windows, Linux, and VMware, ensuring broad applicability across different computing environments.
Important Technical Specifications:
- Card Type: PCIe 3.0 x8 low-profile card. This indicates that the card occupies a single PCIe x8 slot and is designed for systems with limited vertical space.
- M.2 SSD Support: Supports up to two NVMe M.2 SSDs.
- M.2 SSD Lengths: Accommodates M.2 SSDs of three different lengths: 22 mm x 110 mm, 22 mm x 80 mm, and 22 mm x 60 mm. This flexibility is achieved through movable standoffs on the card.
- Physical Dimensions: The card PCB dimensions are 2.71" x 5.24" (H x L), making it a compact solution.
- Operating Temperature: Designed to operate in an ambient temperature range of 10°C to 55°C.
- SMBus Address Configuration: The card includes jumpers for configuring the SMBus address, allowing the BIOS to detect the AOC. The default address is "A0" but can be changed to avoid conflicts with other devices.
- Activity LEDs: Features two Activity LEDs (LED1 and LED2) that indicate read or write activity on M.2 Socket 1 and M.2 Socket 2, respectively. Both LEDs illuminate green during activity.
Usage Features:
- Easy Installation: The card is designed for straightforward installation into a PCIe slot. Users need to power down the system, remove the power cord, and use anti-static equipment before handling.
- Movable Standoffs: A key feature is the inclusion of movable standoffs, which allow the card to support M.2 SSDs of varying lengths (60mm, 80mm, or 110mm). This ensures compatibility with a wide range of M.2 drives.
- Clear Activity Indicators: The presence of LED1 and LED2 provides visual feedback on the operational status of each M.2 SSD, indicating when data is being read from or written to the drives.
- BIOS Configuration Options: Depending on the system, motherboard, and BIOS version, specific BIOS settings may be required for proper operation. These include configuring CPU IOU settings for PCIe bifurcation (e.g., x4x4x4x4) and setting the NVMe Firmware Source to AMI Native Support.
- Jumper Settings for SMBus: Jumpers are provided to configure the SMBus address, which is crucial for the BIOS to detect the card. While a default setting is provided, it can be adjusted if necessary to prevent address conflicts.
- Broad System Compatibility: The card's support for PCIe 3.0 x8 and various operating systems (Windows, Linux, VMware) makes it suitable for integration into a diverse array of computer systems.
Maintenance Features:
- Static Discharge Precautions: The manual emphasizes the importance of handling the card with care to prevent electrostatic discharge (ESD) damage. It recommends using a grounded wrist strap, touching grounded metal objects, and handling the card by its edges.
- Antistatic Packaging: The expansion card is shipped in antistatic packaging to protect it from static damage during transit and storage. Users are advised to return the card to its antistatic bag when not in use.
- Warranty and Service: Supermicro provides a warranty that covers normal consumer use. For service, a Returned Merchandise Authorization (RMA) number is required, which can be obtained by contacting the vendor or through Supermicro's online RMA form. The RMA number should be clearly displayed on the shipping carton.
- Documentation and Support: Supermicro provides a user guide with detailed instructions for installation and use. Users are encouraged to refer to the Supermicro website for the most up-to-date version of the manual, product support, and updates.
- Jumper Management: While jumpers allow for configuration, the manual advises against changing default settings unless explicitly instructed by Supermicro, as improper changes may disable the jumpers.
- Supported M.2 SSD List: Users are directed to the Supermicro website for a current list of supported M.2 SSDs, ensuring compatibility and optimal performance.
The AOC-SLG3-2M2 is a robust and flexible solution for expanding high-speed NVMe storage in compatible systems, offering clear installation guidelines and essential features for reliable operation.
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