The previous card was QXG-25G2SF-CX4 Dual-port SFP28 25GbE network expansion card; low-profile form factor; PCIe Gen3 x8
A new card is — QXG-25G2SF-CX6
Controller: Mellanox ConnectX-6 Lx
PCIe interface: PCIe Gen3/Gen4 x8
Transmission rates: 25Gbps/10Gbps
Supported QNAP NAS: Models with PCIe slot(s) (1 free slot required)
Bracket: Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled
Port and cable: SFP28 DAC cable (3M) or SFP28 OPTIC transceiver
Warranty: 1 year limited warranty
75 million msgs/sec
25GbE NICs are designed for data-intensive applications and enterprise IT environments. To reach the full potential of 25GbE transmission, you require high-performance hardware configurations, including:
1) At least three workstations with Intel® Core™ i5/i7 processors (or similar) at 3.3 GHz (or higher) and NVMe SSDs.
2) A QNAP NAS with an Intel® Core™ i5/i7 processor (or similar) with NVMe SSDs and/or Enterprise-level SATA SSDs (SLC/MLC). At least 12 SSDs are recommended.
More info about ConnectX®-6