Best Siig Network Cards in 2026

✅ Quickly adds two serial ports through an available PCI Express slot

✅ Supports serial port data transfer rates up to 115.2 Kbps, compatible with 16C550 UART

✅ 256-byte depth FIFO buffer supports fast data transfer especially in a multitasking environment

Electronics

Port Cards (I/O)

Device Type - Network Card

Interface Type - PCI

Data Transfer Rate - 10/100/1000 Mbps

✅ Easily add two multi-Gigabit Ethernet ports through an available x4 PCIe slot to server and desktop computers Compliant with PCI Express Specification Revision 2.1

✅ Compatible with NBASE-TTM Alliance PHY Specification Supports 4 Multi-Speed of 10M/100M/1Gbps/2.5Gbps Ethernet data rates

✅ Compatible with IEEE 802.3, 802.3u, 802.3a, IEEE 802.3bz (2.5GBase-T), IEEE 802.1Q VLAN tagging, IEEE 802.3az (Energy Efficient Ethernet) Supports jumbo frame to 16K bytes for higher and better data throughput

✅ Quickly adds one 10GbE SFP Ethernet port through an available PCI Express 2.0 x8 slot to server or desktop systems

✅ Intel X520 chipset support reliable and advanced network connectivity with Intel virtualization technology, flexible features of LAN and SAN network with iSCSI, NFS

✅ Compliant with IEEE 802.3ae, 802.3x, 802.1Q with full duplex and Wake-on-Lan support

✅ Easily add a multi-Gigabit Ethernet port through an available x1 PCIe slot to server and desktop computers Compliant with PCI Express Specification Revision 2.1

✅ Compatible with NBASE-TTM Alliance PHY Specification Supports 4 Multi-Speed of 10M/100M/1Gbps/2.5Gbps Ethernet data rates

✅ Compatible with IEEE 802.3, 802.3u, 802.3a, IEEE 802.3bz (2.5GBase-T), IEEE 802.1Q VLAN tagging, IEEE 802.3az (Energy Efficient Ethernet) Supports jumbo frame to 16K bytes for higher and better data throughput

✅ Adds four independent Gigabit Ethernet ports through an available PCI Express slot to server or desktop systems, with Power over Ethernet capability Intel I350-T4 chipset supports reliable and advanced network connectivity

✅ Compliant with IEEE 802.3, 802.3u, 802.3ab with full duplex and Wake-on-LAN support Supports IEEE 802.3at PoE+ standard, with up to 30W power output per portAdds four independent Gigabit Ethernet ports through an available PCI Express slot to server or desktop systems, with Power over Ethernet capability Intel I350-T4 chipset supports reliable and advanced network connectivity

✅ Supports IEEE 802.3az Energy Efficient Ethernet (EEE) Supports PXE network boot

✅ Quickly adds one 10G* Ethernet port, through an available PCI Express 3.0 x4 slot, to server or desktop systems

✅ NBASE-TTM technology** allows 2.5Gbps and 5Gbps Ethernet speeds for cable lengths up to 100 meters, over existing CAT5e/6 cable infrastructure.

✅ Intel X550 chipset supports reliable and advanced network connectivity with Intel virtualization technology Compliant with IEEE 802.3, 802.3an, 802.1Q with full duplex and Wake-on-Lan support

✅ Adds two independent 10G* Ethernet ports through an available PCI Express 2.1 specification x8 or larger PCIe slot to server or desktop systems

✅ Intel X540-T2 chipset supports reliable and advanced network connectivity with Intel virtualization technology

✅ Compliant with IEEE 802.3, 802.3an, 802.3ad, 802.1Q with full duplex and Wake-on-Lan support

[ Super Fast Speed &IP Multicast Filtering ]: Hereta Fiber Gigabit PCI-E NIC (Network Interface Card) support one SFP port (Duplex Fiber/ Single Fiber Optional).10/100/1000Mbps PCIe Adapter upgrades your Ethernet speed to Gigabit, It provides up to 2000Mbps full-duplex bandwidth capacity to support high-end servers. In addition, with advanced functions like VLAN filtering packet processing, the adapter provides added performance, flexible configuration.

[ Supports Full-Duplex Mode ]: IEEE 802.3x Full-Duplex Flow Control for Full-duplex Mode and backpressure for Half-duplex Mode; SFP Port: 1x 10/100/1000Mbps.

[ Compatibility ]: Windows Setup Installer (32- and 64-bit) for Yukon Controllers, DOS Diagnostic Utility for Yukon Devices, Kernel 2.6.x Linux Driver Install Package for Yukon Devices, Windows Vista x86 Driver (32-bit) for Yukon Devices, Windows XP/Server 2003 x64 Driver (64-bit) for Yukon Devices, Windows Vista x64 Driver (64-bit) for Yukon Devices, Windows Server 2008 SP2 32-bit Driver.

SIIG IO Card JJ-P49012-S7 CyberSerial 4S 950 PCI 4-Port Serial Adapter with 16950 Controller Card (JJ-P49012-S7)

Siig JJ-P49012-S7

✅ Quickly adds dual band capable wireless ethernet connectivity through an available PCI Express slot to server or desktop systems Complies with PCI Express 2.1 specification

✅ Support High Speed Wi-Fi data rate up to 1200Mbps based on IEEE 802.11 AC standard of 867Mbps on 5G and 300Mbps on 2.4G dual band 2×2 Multiple In Multiple Out (MIMO) feature allows easy access to High-Speed Wireless environment

✅ 802.11ac dual band provides 3 times faster than the 802.11n standard, perfect for high-intensity network usage Supports Wake-On-WLAN via Magic Packet and Wake-up frame

✅ Adds two independent 10GbE SFP Ethernet ports through an available PCI Express 2.0 x8 or larger slot to server or desktop systems

✅ Intel X520 chipset support reliable and advanced network connectivity with Intel virtualization technology, flexible features of LAN and SAN network with iSCSI, NFS

✅ Compliant with IEEE 802.3ae, 802.3x, 802.1Q with full duplex and Wake-on-Lan support Feature innovative power management including Energy Efficient Ethernet(EEE) and DMA

Supports Flow Control

Layer 2 Priority Queuing

VLAN Tang and Jumbo Frames

Complies with PCI-Express 3.0 standard Supports the latest USB generation 3.1 Gen 2 with data transfer rate up to 10Gb/s

Supports plug-n-play, hot-swapping, and backwards compatible with USB 1.1 / 2.0 / 3.0

Each USB port provides up to 900mA power output to better support the power consumption of your connected device

Intel X710-BM1 10 Gigabit Ethernet Controller: Unified Networking Delivering LAN, iSCSI, NFS and FCoE in One Low Cost CNA. I/O Virtualization Innovations, Support VMDq, PCI-SIG&SR-IOV Implementation.

SFP Connections: PCIe 3.0 x 8 Host Interface and 10GbE Quad-Port Transmission, support 10GBASE-SR, 10GBASE-LR and SFP+ Copper Direct Attach cable.

Features: Advanced traffic steering increases TPS and reduces latency for cloud applications. Dynamic device personalization (DDP) increases packet processing efficiency. Data plane development kit (DPDK) optimised for efficient packet processing.

Item Package Dimension: 11.699999988066L x 7.899999991942001W x 2.99999999694H inches

Item Package Weight - 0.85 Pounds

Item Package Quantity - 1