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Low-profile PCIe card, four RJ45 ports, green PCB, metal bracket

Intel

Intel EXPI9404PTL PCI Express 1.0a Quad Port Low Profile Network Card

SKU CH-77B4-R3RCE MPN EXPI9404PTL

Four-port Gigabit Ethernet adapter with two 82571GB controllers, PCI Express 1.0a x4 interface and low-profile bracket for dense servers

  • StandardsIEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3ab IEEE 802.3u IEEE
  • Speed10/100/1000Mbps
  • Connectors4 x RJ45
  • InterfacePCI-Express
  • BUSPCI Express 1.0a
  • LEDs4 (1/port, link and speed) solid and blinking
  • Four Gigabit ports add high-density connectivity
  • PCI Express 1.0a x4 interface reserves full bandwidth per port
  • Two Intel 82571GB controllers balance loads across CPUs
  • Low-profile design fits standard and compact server chassis
  • Wake-on-LAN enables remote power management from sleep

Quad-port server adapter

The Intel EXPI9404PTL adds four gigabit RJ45 connections through a single PCI Express 1.0a x4 slot. Two onboard 82571GB controllers manage the traffic so each port keeps dedicated bandwidth. The low-profile bracket fits standard and low-profile chassis alike. It targets administrators who need dense copper connectivity without consuming multiple expansion slots.

Thermal and power profile

The card operates between 0 °C and 55 °C with passive cooling only. No fan is present so acoustic output is negligible in a rack or workstation. Power draw stays within the PCIe slot budget and does not require auxiliary connectors. Per-port link and speed LEDs give instant visual status without software overhead.

Bundled technology impact

Intel I/OAT offloads copy and checksum work from the host CPUs, lowering interrupt rates on busy multi-core Xeon systems. Load balancing spreads receive queues across processor cores for better throughput scaling. Wake-on-LAN enables remote power management across all four ports. VLAN tagging, flow control and prioritisation follow the listed IEEE standards for managed switch integration.

Highlights

  • Four Gigabit ports add high-density connectivity
  • PCI Express 1.0a x4 interface reserves full bandwidth per port
  • Two Intel 82571GB controllers balance loads across CPUs
  • Low-profile design fits standard and compact server chassis
  • Wake-on-LAN enables remote power management from sleep

Specifications

BrandIntel
ModelEXPI9404PTL
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 RJ45
InterfacePCI-Express
BUSPCI Express 1.0a
LEDs4 (1/port, link and speed) solid and blinking
Wake On LANYes
Temperature0°C ~ 55°C
Windows VistaWorks with Windows Vista
FeaturesTwo Intel 82571GB Gigabit Controllers
Low-profile
Load balancing on multiple CPUs
Intel I/OAT
Virtualization
Interrupt moderation
Compatible with x4, x8, and x16 standard and low-profile PCI Express slots
Support for most network operating systems (NOS)
Remote management support
Category-5 unshielded twisted pair (UTP), 4-pair cabling
RoHS compliant, lead-free technology
Intel PROSet Utility for Windows
Advanced cable diagnostics
Intel backing
Dimensions6.6" x 2.4" x 0.8"
Weight20
Shipping weight0.91 kg
Package size203 × 152 × 51 mm

Questions about this item

How do I install the Intel EXPI9404PTL in a low-profile chassis, and which bracket screw do people forget?

Fit the low-profile bracket supplied with the card, insert it into any x4, x8 or x16 PCI Express 1.0a slot, then secure the bracket screw that aligns with the 6.6" card length; skipping that screw lets the card lift under cable tension.

What maintenance or replacement will the Intel EXPI9404PTL need after extended service?

The adapter has no moving parts or user-serviceable components; if a port fails, the entire card is replaced rather than repairing an individual 82571GB controller.

What limit appears first when all four ports run sustained 1000Mbps traffic?

The PCI Express 1.0a x4 interface caps aggregate throughput at the bus maximum, so total bandwidth across the four RJ45 ports cannot exceed the single x4 lane budget.

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