QNAP Dual-Port 25GbE Network Expansion Card for QNAP NAS

R3 868.70
R4 449.00
Limited @ Warehouse
  • When Do I Get It?

Using a Mellanox® ConnectX®-4 Lx SmartNIC controller, the 25 GbE network expansion card provides significant performance improvements for large file sharing, intensive data transfer, and optimizes VMware® virtualization applications with iSER support.


  • Dual-port 25 GbE network expansion card
  • Controller: Mellanox ConnectX-4 Lx
  • Connector: SFP28
  • PCIe interface: PCIe Gen3 x8
  • Transmission rates: 25Gbps/10Gbps
  • Supported operating systems: QTS/QuTS hero (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)*
  • 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

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.

Package Content: 1 x Network card; 1 x QIG; 3 x Brackets

* - Please check the compatibility list for your NAS

Manufacturer's link