| Dimensions (L x W x H) | 157.3 mm length × 1-slot width × Low-profile (The dimension is based on PCBA size × not including the bracket) mm | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Controller | NVIDIA Mellanox ConnectX-6 Dx | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Number of Ports | 2 x QSFP28 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Connector | QSFP28 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | PCIe and Lanes | PCIe 4.0 x16 (Compatible to PCIe 3.0 x16) | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Transmission Rates | 100Gbps | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | IEEE Standards | > IEEE 802.3bs, 200 Gigabit Ethernet > IEEE 802.3cd, 50, 100 and 200 Gigabit Ethernet
 > IEEE 802.3bj, 802.3bm 100 Gigabit Ethernet
 > IEEE 802.3by, 25, 50 Gigabit Ethernet supporting all FEC modes
 > IEEE 802.3ba 40 Gigabit Ethernet > IEEE 802.3ae 10 Gigabit Ethernet > IEEE 802.3az Energy Efficient
 Ethernet (supports only “Fast- Wake” mode)
 > IEEE 802.3ap based auto- negotiation and KR startup
 > IEEE 802.3ad, 802.1AX Link Aggregation
 > IEEE 802.1Q, 802.1P VLAN tags and priority
 > IEEE 802.1Qaz (ETS)
 > IEEE 802.1Qbb (PFC)
 > IEEE 802.1Qbg
 > 25/50 Ethernet Consortium
 “Low Latency FEC” for 50GE/100GE/200GE PAM4 links
 > PCI Express Gen3 and Gen4
 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Bracket | Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | SR-IOV Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Crypto Hardware Accelerator Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | RDMA over Converged Ethernet (RoCE), Zero Touch RoCE (ZTR) Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | VLAN insertion/stripping Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | iSER Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | NVGRE, VXLAN, Geneve Support |  | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | How mant virtual functions | 1K virtual functions per port | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | How many physical functions per host | 8 physical functions | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Supported NAS operating systems | QTS (recommend an upgrade to the latest version) ; Windows (Driver required); Linux (Driver required) | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Supported QNAP NAS | Models with PCIe slot(s) (1 free slot required) | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Support Ubuntu Commercial Linux Distribution | Ubuntu 18.04/20.04 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Support Windows | Windows 8/10 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Support Windows Server | Windows Server 2019 | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Port and Cable | QSFP28 DAC cable or QSFP28 OPTIC transceiver | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Package Contents | 1 x Network card; 1 x QIG; 2 x Brackets | 
                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Standard Warranty | 3 years |