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VA8-PCIe4-3GB-Y-4, Adapter PCIe4x – 4x 2.5GigE PoE – Quad Bus


Deliverytime (weeks): Standard 3-6, Express 0-3 hoursminutes

The VA8-PCIe4-3GB-Y-4 is a 4-port 10/100/1000M/2,5G Ethernet (POE) to PCI Express x4 Gen 2 frame grabber card. It can provide up to 60W of power on four Ethernet ports and can be used for 2,5G and 1G connections.

Key Features

  • Supports PCI Express 4-lane Specification Revision 2.1
  • Four independent 10/100/1000M/2.5G Gigabit Ethernet (POE) ports
  • Support IEEE 802.3at for PoE+ (Power over Ethernet Plus)
  • Supports jumbo frame to 16K bytes
  • Two Virtual Channels (VC) and Eight Traffic Class (TC) support


PCI Express

  • Standards compliant
    • PCI Express Base Specification Revision 2.1
    • PCI Express CEM Specification Revision 2.0
    • PCI-to-PCI Bridge Architecture Specification Revision 1.2
    • Advanced Configuration Power Interface (ACPI) Specification
    • PCI Power Management Spec r1.2
  • PCI Express Power Management
    • Link power management states: L0, L0s, L1, L2/L3 Ready, and L3
    • Device states: D0 and D3hot
    • Active state power management for L0s and L1 states
  • Port Arbitration Round Robin (RR) and Weighted RR and Time-based Weighted RR
  • Extended Virtual Channel capability
    • Two Virtual Channels (VC) and Eight Traffic Class (TC) support
    • Independent TC/VC mapping for each port
    • Provides VC arbitration selection: Strict Priority, Round Robin (RR) and Programmable Weighted Round-Robin
  • Supports Isochronous Traffic
    • Isochronous traffic class mapped to VC1 only
    • Strict time based credit policing
  • Supports Cut-through”(Default) as well as “Store and Forward” mode for switching packets
  • Peer-to-peer switching between any two downstream ports
  • Supports up to 256-byte maximum payload size
  • Enhanced Features
    • 150ns typical latency for packet running through switch without blocking
    • Supports Access Control Service (ACS) for peer-to-peer traffic
    • Supports Address Translation (AT) packet for SR-IOV application
    • Supports OBFF and LTR

Ethernet Feature


  • Integrated 10/100/1000M/2.5G transceiver
  • Support 2.5G and 1G lite mode
  • Auto-negotiation with Extended Next Page capability (XNP)
  • Compatible with 2.5GBase-T Alliance PHY specification
  • Supports PCI Express 2.1
  • Crossover detection & Auto-Correction
  • Supports 1-Lane 2.5/5Gbps PCI Express Bus
  • Transmit/Receive on-chip buffer support
  • Thermal management
  • Compatible with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Supports IEEE 1588v1, IEEE 1588v2, IEEE 802.1AS time synchronization
  • Supports IEEE 802.1Qav credit-based shaper algorithm
  • Supports IEEE 802.1P Layer 2 Priority Encoding
  • Supports IEEE 802.1Q VLAN tagging
  • Supports IEEE 802.1ad Double VLAN
  • Supports IEEE 802.3bz (2.5GBase-T)
  • Supports Full Duplex flow control (IEEE 802.3x)
  • Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (Large send v1 and Large send v2) support
  • Supports jumbo frame to 16K bytes
  • Supports Virtual Machine Queue (VMQ)

PoE+ Feature

  • Supports IEEE 802.3at Power Sourcing Equipment (PSE)
  • Operates from a 54 V supply
  • Provides PD real-time protection through the following mechanisms: overload, under-load, over-voltage, over-temperature, and short-circuit.
  • Auto mode – allows turning PDs on and off automatically.

Power input for PoE

Step-Up 12V from the following source (A, B, C):

A. From PCIe slot

                25 W slot (Max. 25W)

                75 W slot (Max. 48W)

B. From IDE big 4 pin power or/and SATA power connector

                IDE power (Max. 60W)

                SATA power (Max. 48 W)

C. From Mini-Fit Jr. dual row 6pin power connector (max. 60 W)

System support

Windows 7/8/10/11

Linux kernel 3.x

Operating temperature

5°C to 60°C (41°F to 140°F)

Storage temperature

0°C to 70°C (32°F to 150°F)


10% to 80% (Non-condensing)

Physical dimensions

101mm x 168mm (H x L), full height bracket

Net weight



  • CE
  • UKCA
  • FCC
  • VCCI
  • RCM


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    VA8-PCIe4-3GB-Y-4, Adapter PCIe4x – 4x 2.5GigE PoE – Quad Bus