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HomeComputersNetworkingAll Wired NetworkingNetwork Cards & Adapters

Network Cards & Adapters

215 Items
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QNAP Quad-Port 2.5GbE PCIe Network Expansion Card

QNAP Quad-Port 2.5GbE PCIe Network Expansion Card

BH # QNQXG4TI225 MFR # QXG-2G4T-I225
Key Features
  • PCIe 2.0 x4 Host Interface
  • 4 x 2.5GbE Ports
  • Backward Compatible
  • Low-Profile Bracket Pre-Installed
Available in other Styles, Configurations & Kits
$14900
Temporarily Out of Stock
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Free 2-Day Shipping
Wavlink USB4 to 10G Ethernet Adapter
New Release

Wavlink USB4 to 10G Ethernet Adapter

BH # WANWU342G MFR # WL-NWU342G
Key Features
  • USB4 (USB-C) Host Connector
  • RJ45 Ethernet Port
  • Up to 10 Gb/s Throughput
  • Aluminum Alloy Housing
$14999
New Item - Coming Soon
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Intel X550-T2 Dual-Port Ethernet Converged Network Adapter

BH # INX550T2 MFR # X550T2
5 Reviews
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$14999
Temporarily Out of Stock
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Ubiquiti 10G RJ45 to USB-C Ethernet Adapter

BH # UBAUSBC10GE MFR # UACC-ADAPTER-RJ45-USBC-10GE
Key Features
  • RJ45 Connector
  • USB-C Port
  • Up to 10 Gb/s Throughput
  • Aluminum Alloy Housing
$16900
In Stock
No Store Display
Free 2-Day Shipping

STL N-810 4-Port 2.5G Ethernet PCIe Network Adapter Card

BH # STLN810 MFR # STL-N-810
Key Features
  • 4 x 2.5G RJ45 Ethernet Ports
  • PCIe 2.0 x4 Host Connection
  • Intel vPro Support
  • Includes Low-Profile Bracket
$17999
In Stock
No Store Display
Free 2-Day Shipping

STL N-630 4-Port Gigabit SFP PCIe Network Adapter Card

BH # STLN630 MFR # STL-N-630
Key Features
  • 4 x Gigabit SFP Ports
  • PCIe 2.0 x2 Host Connection
  • Includes Low-Profile Bracket
  • PXE Boot
$17999
In Stock
No Store Display
Free 2-Day Shipping

StarTech PEX1000SFP2 PCIe Gigabit Fiber Network Card with SFP

BH # STPEX1000SFP MFR # PEX1000SFP2
Key Features
  • 1 x Open SFP Port
  • PCIe x1 Host Interface
  • Supports Most Gigabit SFP Transceivers
  • Up to 2 Gb/s Full-Duplex Data Throughput
$20499
Special Order
Expected availability: 2-4 Weeks
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Free Standard Shipping
This item cannot be canceled or returned.

Supermicro 4-Port GbE PCIe Low Profile Add-On Card

BH # SUAOCSGPI4 MFR # AOC-SGP-I4
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Currently Unavailable
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QNAP QNA-UC10G1SF 10 Gb/s USB4 to SFP+ Network Adapter

BH # QNAUC10G1SF MFR # QNA-UC10G1SF
Key Features
  • USB4 Host Connection
  • SFP+ Network Connector
  • Up to 10 Gb/s Throughput
  • Fanless Design
$24900
Temporarily Out of Stock
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Supermicro Dual Port 10 GbE Adapter for MicroCloud and Twin Server Systems with microLP Expansion Slot

BH # SUAOCCTGI2S MFR # AOC-CTG-I2S
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Currently Unavailable
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Sonnet Dual-Port SFP28 10 Gigabit Ethernet PCIe Card with Two SFP28 Transceivers

BH # SOG10ES2XME3 MFR # G10E-SFP-2XM-E3
Key Features
  • 2 x 10GbE SFP28 Transceivers
  • LC Connector
  • Simple and Quick Installation
  • Windows, Mac, and Linux Compatible
See All Details
$27999
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping
Open Box for $195.00

Promise Technology SANLink3 N1 Thunderbolt 3 Bridge Adapter

BH # PRSL3N1GL MFR # SL3N1GL
Key Features
  • 1 x Thunderbolt 3 Port
  • 1 x NBASE-T Ethernet Port
  • Transfer Rates up to 1250 MB/s
  • 802.3an/bz/ab/u Network Protocols
$28900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping
This item cannot be canceled or returned.

STL N-460 4-Port 10G SFP+ PCIe Network Adapter Card

BH # STLN460 MFR # STL-N-460
Key Features
  • 4 x 10G SFP+ Ports
  • PCIe 3.0 x8 Host Connection
  • Intel XL710 Chip
  • PXE Boot
$34999
In Stock
No Store Display
Free Expedited Shipping

STL N-440 2-Port 10G Ethernet PCIe Network Adapter Card

BH # STLN440 MFR # STL-N-440
Key Features
  • 2 x 10G RJ45 Ethernet Ports
  • PCIe 3.0 x4 Host Connection
  • Includes Low-Profile Bracket
  • Works with Windows & Linux
See All Details
$34999
In Stock
No Store Display
Free Expedited Shipping

Supermicro 2-Port 10 GbE PCIe 2.1 Adapter Card

BH # SUAOCSTGI2T MFR # AOC-STG-I2T
See All Details
Currently Unavailable
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ATTO Technology Celerity FC-81EN Single-Channel 8 Gb/s Fibre Channel to PCIe 2.0 Host Bus Adapter

BH # ATCTFC81EN00 MFR # CTFC-81EN-000
Key Features
  • PCI Express 2.0 x8 Bus
  • Single-Channel Design
  • 1 x 8 Gb/s LC SPF+
  • Data Transfers up to 800 MB/s
See All Details
$39500
Special Order
Expected availability: 7-10 Business Days
No Store Display
Free Standard Shipping

QNAP QXG-25G2SF-E810 2-Port 25G SFP28 PCIe 4.0 Network Adapter Card

BH # QNQXG25SFE81 MFR # QXG-25G2SF-E810
Key Features
  • 2 x 25G SFP28 Slots
  • Up to 50 Gb/s Total Throughput
  • PCIe 4.0 x8 Connection
  • Includes Various Brackets
$39900
Temporarily Out of Stock
Expected availability: May 29, 2026
No Store Display
Free Expedited Shipping
Used for $299.95

QNAP QXG-25G2SF-BCM 2-Port 25G SFP28 PCIe 4.0 Network Adapter Card

BH # QNG25G2SFBCM MFR # QXG-25G2SF-BCM
Key Features
  • 2 x 25G SFP28 Slots
  • Up to 50 Gb/s Total Throughput
  • PCIe 4.0 x8 Connection
  • RDMA & SR-IOV Technology
$49900
In Stock
No Store Display
Free Expedited Shipping

Aruba 331T 4-Port Gigabit Ethernet PCIe 2.0 Adapter

BH # AR1GB4P331TA MFR # 647594-B21
Key Features
  • PCIe 2.0 x4 Host Connection
  • 4 x Gigabit Ethernet Ports
  • Dedicated Controller
  • Power Efficient Design
$51000
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

QNAP QNA-UC10G2SF USB4 to Dual 10G SFP+ Adapter

BH # QNAUC10G2SF MFR # QNA-UC10G2SF
Key Features
  • USB4 (USB-C) Host Connection
  • 2 x 10G SFP+ Ports
  • 2 x 10G SFP+ Transceivers
  • Silent Operation
$54900
Temporarily Out of Stock
Expected availability: May 29, 2026
No Store Display
Free Expedited Shipping

Sonnet Twin25G Dual 25G SFP28 PCIe Adapter Card

BH # SOG25E2XE3 MFR # G25E-2X-E3
Key Features
  • PCIe 3.0 x8 Host Connection
  • 2 x SFP28 Ports
  • Up to 25 Gb/s Throughput
  • Includes SFP28 Transceivers
$59999
In Stock
No Store Display
Free 2-Day Shipping

Supermicro Dual-Port InfiniBand QDR UIO Adapter Card with PCI-E 2.0 & Virtual Protocol Interconnect

BH # SUAOCUIBQM2 MFR # AOC-UIBQ-M2
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Currently Unavailable
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Sonnet Dual-Port SFP28 10 Gigabit Ethernet Thunderbolt Adapter with Two SFP28 Transceivers

BH # SOT10GMSFPTB MFR # TWIN10GM-SFP-TB
Key Features
  • Two Preinstalled SFP28 Transceivers
  • LC Connector
  • Two Thunderbolt Ports
  • 10Gbps USB 3.2 Gen 2 Support
$64999
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping
This item cannot be canceled or returned.

ATTO Technology Celerity FC-82EN Dual-Channel 8 Gb/s Fibre Channel to PCIe 2.0 Host Bus Adapter

BH # ATCTFC82EN00 MFR # CTFC-82EN-000
Key Features
  • PCI Express 2.0 x8 Bus
  • Dual-Channel Design
  • 2 x 8 Gb/s LC SPF+'s
  • Data Transfers up to 1600 MB/s
See All Details
$69500
Special Order
Expected availability: 7-10 Business Days
No Store Display
Free Standard Shipping

ATTO Technology FastFrame 3 N322 Dual 25G Ethernet SFP28 PCIe Network Adapter w/ Transceivers

BH # ATFFRMN322 MFR # FFRM-N322-000
Key Features
  • PCIe 3.0 x8 Host Interface
  • 2 x 25G SFP28 Ports
  • Low Latency
  • Low-Profile Form Factor
Available in other Styles, Configurations & Kits
$74500
In Stock
No Store Display
Free Expedited Shipping

HP NVIDIA Mellanox ConnectX-6 Lx Dual-Port 25G SFP28 Network Interface Card

BH # HE436M8AA MFR # 436M8AA
Key Features
  • PCIe 4.0 x8 Host Connection
  • 2 x 25G SFP28 Slots
  • Up to 25 Gb/s Throughput (Dual-Port)
  • Up to 50 Gb/s Throughput (Single-Port)
$75400
Special Order
Expected availability: 7-14 Business Days
No Store Display
Free Standard Shipping

ATTO Technology FastFrame 3 N322-10T Dual 10G Ethernet PCIe 3.0 Network Adapter

BH # ATFFRN32210T MFR # FFRM-N322-10T
Key Features
  • PCIe 3.0 x8 Host Interface
  • 2 x 10G RJ45 Ethernet Ports
  • Up to 10 Gb/s Throughput
  • Low-Profile Form Factor
$79500
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping
This item cannot be canceled or returned.

ATTO Technology FastFrame N351 QSFP28 Single-Port 50GbE PCIe 3.0 Optical Interface

BH # ATFRMN351DA0 MFR # FFRM-N351-DA0
See All Details
$79500
Special Order
Expected availability: 7-10 Business Days
No Store Display
Free Standard Shipping
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