Manufacturer's description and specifications:

The Supermicro NVMe AOC-SLG3-4E2P features four internal NVMe connectors (OCuLink) for high-performance storage connectivity. This HBA card is built around a PCI-E switch IC which is proven NVMe technology with optimum performance for increased bandwidth. It addresses the growing demand for increased data throughput and scalability requirements across enterprise-class server platforms. This appeals most to embedded/IPC solutions and desk top/gaming solutions that must leverage maximum performance and reliability. Perfect for "near-line cache storage solutions", where data can wait until it gets flushed down to its intended backend storage.

Key Features:

• Quad-port PCI-E Gen-3 NVMe controller
• 4 internal lanes per port
• Supports 4 physical NVMe Devices
• PCI-E Switch
• OS Support: Windows, Linux
• Uses 4 OCuLink Connectors
• Operating Temp: 0° to 55°C