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Green circuit board with four LC fibre ports and gold PCIe connector

Intel

Intel EXPI9404PFBLK 4-port PCIe 1.0a network card

SKU CH-JYQW-FPJCY MPN EXPI9404PFBLK

Four-port gigabit server adapter with LC fibre connectors, PCI Express 1.0a interface and dual Intel 82571GB controllers for load balancing across multiple CPUs

  • StandardsIEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3ab IEEE 802.3u IEEE
  • Speed10/100/1000Mbps
  • Connectors4 x LC
  • InterfacePCI-Express
  • BUSPCI Express 1.0a
  • LEDs4 (1/port, link and speed) solid and blinking
  • Four independent 1000Mbps fiber links via 4 LC connectors
  • Load balancing across multiple CPUs with dual 82571GB controllers
  • Intel I/O Acceleration Technology speeds I/O on Xeon servers
  • PCI Express 1.0a interface fits standard server slots
  • Operates reliably from 0°C to 55°C

Quad-port PCIe 1.0a server adapter

The Intel EXPI9404PFBLK adds four 10/100/1000Mbps Ethernet ports over LC connectors to a server or workstation. It targets administrators who need multiple fibre links for virtualization, load balancing or remote management on multi-processor platforms.

Fits a PCI Express 1.0a slot

The card occupies a single PCI Express 1.0a slot and provides four independent LC ports for 1000BASE-SX multi-mode fibre. Two onboard Intel 82571GB controllers handle traffic, freeing host CPUs through Intel I/OAT and supporting wake-on-LAN for power-managed environments.

Operates at 0°C to 55°C

Rated for continuous operation between 0°C and 55°C, the adapter uses passive cooling suited to server chassis airflow. LEDs per port show link and speed status, while the low-profile bracket keeps the 6.6" x 2.4" x .8" board compatible with dense rack installations.

Highlights

  • Four independent 1000Mbps fiber links via 4 LC connectors
  • Load balancing across multiple CPUs with dual 82571GB controllers
  • Intel I/O Acceleration Technology speeds I/O on Xeon servers
  • PCI Express 1.0a interface fits standard server slots
  • Operates reliably from 0°C to 55°C

Specifications

BrandIntel
ModelEXPI9404PFBLK
StandardsIEEE 802.1Q VLANs
IEEE 802.3ad
IEEE 802.3ab
IEEE 802.3u
IEEE 802.3x
IEEE 802.1p
IEEE 802.3z
Speed10/100/1000Mbps
Connectors4 x LC
InterfacePCI-Express
BUSPCI Express 1.0a
LEDs4 (1/port, link and speed) solid and blinking
Wake On LANYes
Temperature0°C ~ 55°C
FeaturesTwo Intel 82571GB Gigabit Controllers
Load balancing on multiple CPUs
Intel I/OAT
Virtualization
LC connectors
1000BASE-SX multi-mode fiber
Support for most network operating systems (NOS)
Remote management support
RoHS compliant, lead-free technology
Intel PROSet Utility for Windows
Advanced cable diagnostics
Intel backing
Dimensions6.6" x 2.4" x 0.8"
Shipping weight0.54 kg
Package size203 × 152 × 51 mm

Questions about this item

Does the PCI Express 1.0a bus limit throughput when all four ports run at 1000Mbps?

The card uses two 82571GB controllers on a PCI Express 1.0a x4 link, so sustained full-duplex traffic on all ports can saturate the bus.

What are the temperature and noise characteristics during continuous operation?

Rated for 0°C to 55°C with no fan; the card adds only passive heat inside the chassis.

Which fibre patch cables and switch ports are needed for the four LC connectors?

Multi-mode fibre with LC duplex plugs and 1000BASE-SX SFP modules or fixed 1000BASE-SX ports on the switch.

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