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Four fiber ports provide stable 1Gb networking for enterprise applications.
I350F4BLK
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Intel Ethernet Server Adapter I350-F4 - network adapter - PC...
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I350F4BLK
- Description:
- Intel Ethernet Server Adapter I350-F4 - network adapter - PCIe 2.0 x4 - 1000Base-SX x 4
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- Intel
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I350F4BLK Overview
I350F4BLK is a high-performance Ethernet network adapter designed for robust, reliable connections in demanding environments. Built as an internal PCIe card, it features four Gigabit Ethernet ports with RJ-45 connectors, offering 1Gbps speeds per port and supporting industry-standard protocols such as TCP/IP and UDP. This adapter is engineered to seamlessly integrate into server and enterprise infrastructures, ensuring efficient data transfer and low latency for mission-critical applications.
Optimized for deployment in data centers, small office networks, and high-speed workstations, the I350F4BLK provides advanced networking features including auto-negotiation, Wake-on-LAN, jumbo frame support, and QoS. Its PCIe x4 interface not only guarantees high throughput but also ensures compatibility with leading operating systems like Windows and Linux, making it an ideal choice for environments that demand both performance and stability.
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Request bulk order quote for I350F4BLK for additional pricing. Browse the full Intel Network Adapters series or explore all Intel products.
I350F4BLK Specifications
- Product Type
- Network Adapter
- Adapter Type
- Ethernet
- Data Rate
- 1Gbps
- Connection Interface
- PCIe x4
- Supported Protocols
- TCP/IP / UDP
- Form Factor
- Internal PCIe Card
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Windows / Linux
- Max Speed
- 1Gbps
- Supported Features
- Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS
- Power Consumption
- 7W
- Connector Type
- RJ-45
- Maximum Range
- 100 meters
- Bus Type
- PCIe x4
- Product Name
- Intel Ethernet Server Adapter I350-F4 BLK
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| I350F4BLK |  E10GSFPSRX |  X550T2BLK |  E810CQDA1OCPV3 |  9560.NGWG.NV | |
|---|---|---|---|---|---|
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Connection Interface | PCIe x4 | PCIe | PCIe 3.0 x4 | PCIe | PCIe |
| Supported Protocols | TCP/IP / UDP | TCP/IP, UDP, iSCSI | TCP/IP, UDP, iSCSI | TCP/IP, UDP | TCP/IP, UDP, iSCSI, NFS |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Windows / Linux | Windows, Linux, macOS | Windows, Linux, macOS, VMware | Windows, Linux, VMware, Hyper-V | Windows, Linux, macOS, VMware, Hyper-V |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 7W | 7W | N/A | 25W | 7W |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Maximum Range | 100 meters | N/A | 100 meters | 100 meters | N/A |
| Bus Type | PCIe x4 | PCIe x4 | PCIe x4 | PCIe x8 | PCIe x4 |
| Product Name | Intel Ethernet Server Adapter I350-F4 BLK | E10GSFPSRX High-Performance 10Gb Ethernet Adapter | X550T2BLK | Intel Ethernet Adapter E810CQDA1OCPV3 | 9560.NGWG.NV High-Speed Ethernet Adapter |
| Height | N/A | 0.8 inches | N/A | 1.5 inches | 0.74 inches |
| Width | N/A | 4.4 inches | N/A | 5 inches | 3.44 inches |
| Depth | N/A | 1.6 inches | N/A | 9 inches | 0.5 inches |
| Weight | N/A | 0.6 lbs | N/A | 0.8 lbs | 0.5 lbs |
Reviews & Ratings
U
Ulysses Carter
5
Consistent throughput and smooth PCIe integration.
V
Vernon Blake
5
Reliable multi-port fiber solution with predictable performance.
W
Wesley Grant
5
Professional networking adapter built for uptime.
X
Xander Lowe
5
Strong compatibility and dependable driver support.
Questions & Answers
What is the Intel Ethernet Server Adapter I350-F4 (SKU: I350F4BLK)?
The Intel I350-F4 is a four-port Gigabit Ethernet server adapter with PCIe 2.0 x4 interface and 1000Base-SX fiber connectivity, designed for high-performance data center and virtualization environments.
Which network speeds and interfaces does the I350-F4 support?
The adapter delivers four independent 1 Gbps Ethernet ports using 1000Base-SX multimode fiber over a PCIe 2.0 x4 interface, ensuring up to 4 Gbps aggregate throughput.
What PCI Express slot do I need for this adapter?
You need a standard PCIe 2.0 x4 (or higher) slot on your server motherboard; it is also backward-compatible with PCIe 1.0 x4 slots.
Does the I350-F4 support 1000Base-SX fiber connectivity?
Yes, each of the four ports supports 1000Base-SX multimode fiber connections up to 550 meters using OM3/OM4 cabling.
Is the Intel I350-F4 compatible with Windows and Linux servers?
Yes, Intel provides certified drivers for Windows Server 2012 R2/2016/2019/2022 and major Linux distributions such as RHEL, CentOS, SUSE, Ubuntu, and Debian.
Does the I350-F4 support virtualization features like SR-IOV?
Yes, it offers advanced virtualization support including Single Root I/O Virtualization (SR-IOV) and Intel Virtual Machine Device Queues (VMDq) for optimized VM performance.
What is the maximum MTU and jumbo frame support?
The adapter supports standard 1,500-byte MTUs and jumbo frames up to 9,216 bytes to reduce CPU overhead and improve throughput.
How much power does the I350-F4 consume?
Typical power consumption is under 5.5 W under load and around 3.5 W at idle, making it energy-efficient for dense server deployments.
How many network ports are included on the adapter?
The Intel I350-F4 features four independent Gigabit Ethernet ports, each capable of full-duplex 1 Gbps operation.
Is the adapter hot-pluggable or hot-swappable?
The card supports PCIe hot plug/hot swap when used in a compatible chassis with proper backplane and slot support.
What remote management features are available?
It includes Intel® Ethernet Diagnostics and Management features such as link status monitoring, remote boot (PXE), and hardware health counters.
Can I use the I350-F4 in blade server systems?
Yes, provided the blade enclosure has a PCIe 2.0 x4 pass-through or switch module slot compatible with standard full-height adapter cards.
What fiber cable types are supported for 1000Base-SX?
Use OM1, OM2, OM3, or OM4 multimode fiber cables with LC connectors; OM3 and OM4 are recommended for distances over 300 meters.
Does the Intel I350-F4 include advanced security features?
Yes, it supports IEEE 802.1AE (MACsec) encryption, Secure Boot, and hardware-based VLAN filtering for enhanced data protection.
What warranty and support does Intel offer?
Intel provides a limited three-year warranty, free driver updates, and online technical resources including knowledge base articles and community forums.
How do I install the Intel Ethernet Server Adapter I350-F4?
Power down your server, insert the adapter into an open PCIe 2.0 x4 slot, secure the bracket, reconnect power, boot the OS, and install Intel drivers from intel.com.