IEEE 802.3 (copper) Ethernet interface, 2.5Gb/s. Compliant with dual-port 2.5GbE RJ45 ports (copper cable). Compliant with IEEE 802.3 standard for 2500BASE-T, 1000BASE-T, 100BASE-TX, and 10BASE-TE applications. Ethernet interface (IEEE 802.3bz, IEEE 802., IEEE 802.3u, and IEEE Supports Time-Sensitive Networking (TSN) functionality. Supports Wake-on-LAN for IEEE 802.3az Energy Efficient Ethernet (EEE). Supports UDP, IPv4 Checksum Offload (Rx/Tx), and Transmit.Segmentation Offload () (IPv4, IPv6) Supports packets up to 9.5KB jumbo frames Chipset: ASMedia ASM2812 Bus Type: PCIe 3.0 x8x16 Media Interface: 2 x M.2 M Key NVMe SSDs Module Form Factor: Supports M.2 Key M NVMe SSD devices in sizes 2230, 2242, 2260, and 2280. Backwards compatible with PCIe 2.0 and PCIe 1.0. Supports (NVMe), M.2 Specification Revision 0.9 Supports dual-port x4 M.2 Key M NVMe SSD devices. Supports M.2 M-Key and B+M-Key via PCIe protocol Automatically detects channel configuration at boot Supports L1 substate deep power saving mode Supports wake-up in S3/S4 Operating temperature range: 0°C-85°C Color: As Shown Material: PCB Package Contents: 1 x NVME Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.