QNAP QXG-25G2SF-CX6 PCIe supported NAS
Dual-port SFP28 25GbE network expansion card; low-profile form factor; PCIe Gen4 x8
Supports SR-IOV and RoCE for Improved Network and VMware® Virtualization Environments
Dual-port 25 GbE network expansion card
CableCAB-DAC30M-SFP28,CAB-DAC15M-SFP28,TRX-25GSFP28-SR
ControllerNVIDIA Mellanox ConnectX-6 Lx
Number of Ports2 x SFP28
ConnectorSFP28
PCIe and LanesPCIe Gen4 x8
Transmission Rates25Gbps/10Gbps
IEEE StandardsIEEE 802.3ae 10 Gigabit Ethernet
25/50 Ethernet Consortium 25G and 50G supporting all FEC modes
IEEE 802.3by 25G supporting all FEC modes
IEEE 802.3ad, 802.1AX Link Aggregation
IEEE 802.3az Energy Efficient Ethernet (supports only “Fast-Wake' mode)
IEEE 802.3ap based auto-negotiation and KR startup
IEEE 802.1Q, 802.1P VLAN tags and priority
IEEE 802.1Qaz (ETS)
BracketLow-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled
SR-IOV Support
RDMA over Converged Ethernet (RoCE), Zero Touch RoCE (ZTR) Support
VLAN insertion/stripping Support
iSER Support
NVGRE, VXLAN, Geneve Support
How mant virtual functions512
How many physical functions per host8
Supported NAS operating systemsQTS/QuTS hero (recommend an upgrade to the latest version); Windows (Driver required); Linux (Driver required)
Supported QNAP NASModels with PCIe slot(s) (1 free slot required)
Support Ubuntu Commercial Linux DistributionUbuntu 18.04/20.04
Support WindowsWindows 8/10
Port and CableSFP28 DAC cable (3M) or SFP28 OPTIC transceiver
Package Contents1 x Network card; 1 x QIG; 3 x Brackets