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Intel EXPI9301CTBLK 10/100/1000Mbps PCI-Express Network Adapter
Intel EXPI9301CTBLK 10/100/1000Mbps PCI-Express Network Adapter - OEM

+ $7 off w/ promo code 27HLDEALS87, limited offer

  • Connectors: 1 x RJ45
  • Wake On LAN: Yes
  • Temperature: 0°C ~ 55°C
  • Humidity: 90% non-condensing relative humidity at 35° C
  • Model #: EXPI9301CTBLK
  • Item #: N82E16833106033
  • Return Policy: Extended Holiday Return Policy
  • 10/100/1000Mbps
  • 1 x RJ45
  •  
  • $38.99 
  • Sale Ends in 4 Days (Mon) -
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TP-Link TG-3269 10/100/1000Mbps PCI Gigabit Network Adapter
TP-Link TG-3269 10/100/1000Mbps PCI Gigabit Network Adapter
  • Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3x, 802.1q, 802.1p
  • Connectors: 1 x RJ45
  • BUS: 32-bit PCI
  • LEDs: 1000Mbps Link/Act, 100Mbps Link/Act, 10Mbps Link/Act, Duplex
  • Model #: TG-3269
  • Return Policy: View Return Policy
StarTech 1 Port PCI Express PCIe Gigabit Network Server Adapter NIC Card - Dual Profile
StarTech 1 Port PCI Express PCIe Gigabit Network Server Adapter NIC Card - Dual Profile
  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab
  • Connectors: 1 x RJ45
  • LEDs: Link/Activity (Green) Gigabit Detect (Yellow)
  • Temperature: Operating Temperature: 0°C to 70°C (32°F to 158°F) Storage Temperature: 0°C to 100°C (32°F to 212°F)
  • Model #: ST1000SPEX2
  • Item #: N82E16833114081
  • Return Policy: Extended Holiday Return Policy
  • $26.99
  •  
  • $18.49 (41 Offers)
  • Sale Ends in 4 Days (Mon) - Save: 31%
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StarTech USB31000SPTB USB 3.0 to Gigabit Ethernet Adapter NIC w/ USB Port - Black
StarTech USB31000SPTB USB 3.0 to Gigabit Ethernet Adapter NIC w/ USB Port - Black
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 1 x RJ45
  • Dimensions: 5" x 1.4" x 0.7"
  • Weight: 1.5 oz [42 g]
  • Model #: USB31000SPTB
  • Item #: N82E16833114096
  • Return Policy: Extended Holiday Return Policy
  • $39.99
  •  
  • $34.99 (3 Offers)
  • Save: 13%
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StarTech.com ST2000SPEXI Dual Port PCI Express (PCIe x4) Gigabit Ethernet Server Adapter Network Card - Intel i350 NIC
StarTech.com ST2000SPEXI Dual Port PCI Express (PCIe x4) Gigabit Ethernet Server Adapter Network Card - Intel i350 NIC
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • LEDs: 2 - 10/100/1000 Mbps Indicator 2 - Link / Activity
  • Dimensions: 4.8"H x 2.6"L x 0.7"W
  • Model #: ST2000SPEXI
  • Item #: N82E16833114105
  • Return Policy: Extended Holiday Return Policy
  • $139.99
  •  
  • $113.99 (3 Offers)
  • Save: 19%
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StarTech.com US1GC30W USB C to Gigabit Ethernet Adapter - White - USB 3.1 to RJ45 LAN Network Adapter - USB Type C to Ethernet (US1GC30W)
  • $36.99
  •  
  • $29.99 (3 Offers)
  • Save: 19%
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StarTech USB31000NDS USB 3.0 to Gigabit Ethernet NIC Network Adapter - 10/100/1000 Mbps
StarTech USB31000NDS USB 3.0 to Gigabit Ethernet NIC Network Adapter - 10/100/1000 Mbps
  • Standards: IEEE802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az
  • Connectors: 1 x RJ-45 Female 1 x USB Type-A (9 pin) USB 3.0 Male
  • LEDs: 1 x Activity (Yellow) 1 x Link (Green)
  • Temperature: Operating Temperature: 0 ~ 50 degree Celsius (32 ~ 122 degree Fahrenheit) Storage Temperature: 0 ~ 70 degree Celsius (32 ~ 158 degree Fahrenheit)
  • Model #: USB31000NDS
  • Item #: N82E16833114090
  • Return Policy: Extended Holiday Return Policy
StarTech US1GC301AU USB-C to Ethernet Gigabit Adapter - Thunderbolt 3 Compatible - USB Type C Network Adapter - USB C Ethernet Adapter
StarTech US1GC301AU USB-C to Ethernet Gigabit Adapter - Thunderbolt 3 Compatible - USB Type C Network Adapter - USB C Ethernet Adapter
  • Connectors: 1 x RJ45
  • LEDs: 1 x 1 - 10/100 Link/Activity (Green) 1 x Gigabit Link/Activity (Amber)
  • Temperature: 0°C ~ 50°C
  • Humidity: 5% ~ 80% RH
  • Model #: US1GC301AU
  • Item #: N82E16833114149
  • Return Policy: Extended Holiday Return Policy
STARTECH USB31000S2H USB 3.0 to Gigabit Network Adapter with Built-In 2-Port USB Hub
STARTECH
STARTECH USB31000S2H USB 3.0 to Gigabit Network Adapter with Built-In 2-Port USB Hub
  • Standards: IEEE 802.3 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX and IEEE 802.3X Full Duplex
  • Connectors: 1 - USB 3.0 A (9 pin; SuperSpeed) Male 1 - RJ-45 Female 2 - USB 3.0 A (9 pin; SuperSpeed) Female
  • Temperature: Operating Temperature:0 degree C to 70 degree C (32 degree F to 158 degree F) Storage Temperature: -10 degree C to 55 degree C (14 degree F to 131 degree F)
  • Humidity: 40% ~ 50%
  • Model #: USB31000S2H
  • Item #: N82E16833114145
  • Return Policy: Extended Holiday Return Policy
StarTech ST20000SPEXI 10G Network Card - 2 port - NBASE-T - RJ45 Port - Intel X550 chipset - Ethernet Card - Intel NIC Card
STARTECH
StarTech ST20000SPEXI 10G Network Card - 2 port - NBASE-T - RJ45 Port - Intel X550 chipset - Ethernet Card - Intel NIC Card
  • Standards: IEEE 802.3an (10GBASE-T), IEEE 802.3ab (1GBASE-T), IEEE 802.3u (100BASE-T), IEEE 802.3az (EEE - Energy Efficient Ethernet)
  • Connectors: 2 x RJ45
  • LEDs: 2 - Link Speed 2 - Link Activity
  • Dimensions: 4.70" x 0.80" x 6.40"
  • Model #: ST20000SPEXI
  • Item #: N82E16833114147
  • Return Policy: Extended Holiday Return Policy
  • $419.99
  •  
  • $275.99 (2 Offers)
  • Save: 34%
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StarTech USB31000SW USB 3.0 to Gigabit Ethernet NIC Network Adapter
StarTech USB31000SW USB 3.0 to Gigabit Ethernet NIC Network Adapter
  • Weight: 0.35
  • Package Contents: USB 3.0 to Gigabit Ethernet NIC Network Adapter 1 x Driver CD 1 x Instruction Manual
  • Parts: 2 Year
  • Labor: 2 Year
  • Model #: USB31000SW
  • Item #: N82E16833114088
  • Return Policy: Extended Holiday Return Policy
StarTech PEX20000SFPI 10G Network Card - 2 x 10G Open SFP+ Multimode LC Fiber Connector - Intel 82599 Chip - Gigabit Ethernet Card
STARTECH
StarTech PEX20000SFPI 10G Network Card - 2 x 10G Open SFP+ Multimode LC Fiber Connector - Intel 82599 Chip - Gigabit Ethernet Card
  • Weight: 0.39
  • Package Contents: 2-Port 10G Fiber Network Card with Open SFP+ - PCIe, Intel Chip 1 x Low-profile bracket 1 x Quick install guide
  • Parts: 2 Year
  • Model #: PEX20000SFPI
  • Item #: N82E16833114143
  • Return Policy: Extended Holiday Return Policy
  • $302.99
  •  
  • $257.99 (3 Offers)
  • Save: 15%
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StarTech PEX10000SFPI 10G Network Card - MM/SM - 1 x Single 10G SPF+ slot - Intel 82599 Chip - Gigabit Ethernet Card - Intel NIC Card
STARTECH
StarTech PEX10000SFPI 10G Network Card - MM/SM - 1 x Single 10G SPF+ slot - Intel 82599 Chip - Gigabit Ethernet Card - Intel NIC Card
  • Connectors: 1 x SFP+
  • Temperature: Operating Temperature 5 to 50 degree C (41 to 122 degree F) Storage Temperature -20 to 60 degree C (-4 to 140 degree F)
  • Humidity: 20~80% RH
  • Dimensions: 4.70" x 5.30" x 0.70"
  • Model #: PEX10000SFPI
  • Item #: N82E16833114178
  • Return Policy: Extended Holiday Return Policy
StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC w/ USB Port
StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC w/ USB Port
  • Weight: 0.3
  • Package Contents: USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC w/ USB Pass-Through 1 x Driver CD 1 x Instruction Manual
  • Parts: 2 Year
  • Labor: 2 Year
  • Model #: USB32000SPT
  • Return Policy: View Return Policy
StarTech ST4000SPEXI 4-Port Gigabit Ethernet Network Card - PCI Express, Intel I350 NIC
StarTech ST4000SPEXI 4-Port Gigabit Ethernet Network Card - PCI Express, Intel I350 NIC
  • Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T IEEE 802.1Q VLAN Tagging IEEE 802.3x Full Duplex Flow Control
  • Connectors: 4 x RJ45
  • LEDs: 4 x 100/1000 Mbps Indicator 4 x Link / Activity
  • Wake On LAN: Yes
  • Model #: ST4000SPEXI
  • Item #: N82E16833114140
  • Return Policy: Extended Holiday Return Policy
StarTech US1GC30A USB-C to Gigabit Ethernet Adapter - Aluminum - Thunderbolt 3 Port Compatible - USB Type C Network Adapter
STARTECH
StarTech US1GC30A USB-C to Gigabit Ethernet Adapter - Aluminum - Thunderbolt 3 Port Compatible - USB Type C Network Adapter
  • Standards: IEEE 802.3, 802.3u and 802.3ab
  • Connectors: 1 x RJ45
  • Parts: Manufacturers Limited Warranty: 2 Year / Parts Only
  • Model #: US1GC30A
  • Item #: N82E16833114153
  • Return Policy: Extended Holiday Return Policy
  • $39.99
  •  
  • $29.99 (3 Offers)
  • Save: 25%
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StarTech PEX10000SRI 10G Network Card - 1 x 10G Open SFP+ Multimode LC Fiber Connector - Intel 82599 Chip - Gigabit Ethernet Card
STARTECH
StarTech PEX10000SRI 10G Network Card - 1 x 10G Open SFP+ Multimode LC Fiber Connector - Intel 82599 Chip - Gigabit Ethernet Card
  • Standards: IEEE 802.3ad (Link Aggregation) IEEE 802.3x (Flow Control Support) IEEE 802.1Q (VLAN tagging)
  • Temperature: Operating Temperature: 5 degree C to 50 degree C (41 degree F to 122 degree F) Storage Temperature: -20 degree C to 60 degree C (-4 degree F to 140 degree F)
  • Humidity: 20% ~ 80% RH
  • Windows Vista: Windows 7, 8, 8.1, 10 Windows Server 2008 R2, 2012, 2012 R2, 2016 Linux 2.6.24 to 4.4.x LTS Versions only
  • Model #: PEX10000SRI
  • Item #: N82E16833114179
  • Return Policy: Extended Holiday Return Policy
StarTech.com 1 Port PCI Express Gigabit Ethernet Network Card - Intel I210 NIC - Single Port PCIe Network Adapter Card w/ Intel Chip
StarTech.com 1 Port PCI Express Gigabit Ethernet Network Card - Intel I210 NIC - Single Port PCIe Network Adapter Card w/ Intel Chip
  • Standards: IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T IEEE 802.1Q VLAN Tagging IEEE 802.3x Full Duplex Flow Control
  • Connectors: 1 x RJ-45 Female
  • LEDs: 1 x 100/1000 Mbps Indicator 1 x Link / Activity
  • Dimensions: 0.71" x 4.72" x 2.60"
  • Model #: ST1000SPEXI
  • Return Policy: View Return Policy
StarTech ST3300U3S USB 3.0 to Gigabit Ethernet NIC Network Adapter with 3 Port Hub - White
StarTech ST3300U3S USB 3.0 to Gigabit Ethernet NIC Network Adapter with 3 Port Hub - White
  • Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az USB 3.0 rev. 1.0
  • Connectors: 1 x RJ45
  • LEDs: 1 - Blue - Power 1 - Green - Network Link (solid) / Activity (flashing)
  • Wake On LAN: Yes
  • Model #: ST3300U3S
  • Item #: N82E16833114093
  • Return Policy: Extended Holiday Return Policy
StarTech.com USB 3.0 to Gigabit Network Adapter - Silver - Sleek Aluminum Design Ideal for MacBook, Chromebook or Tablet
StarTech.com USB 3.0 to Gigabit Network Adapter - Silver - Sleek Aluminum Design Ideal for MacBook, Chromebook or Tablet
  • Weight: 0.01
  • Package Contents: USB 3.0 to Gigabit Network Adapter - Silver 1 x Quick Install Guide
  • Parts: 2 Year
  • Model #: USB31000SA
  • Item #: N82E16833114146
  • Return Policy: Extended Holiday Return Policy
Rosewill RC-NIC412v2, 10G Ethernet Network Adapter Card, 10GBASE-T 5-Speed RJ45 PCIe NIC Card
Rosewill RC-NIC412v2, 10G Ethernet Network Adapter Card, 10GBASE-T 5-Speed RJ45 PCIe NIC Card
  • Connectors: 1 x RJ45
  • Windows Vista: Window 7 / server 2008 R2 / server 2012/ 8.1 / server2012 R2 / 10 Linux 2.6.24 or later VMware ESXi 5.x / 6.0 Mac OS X 10.10.3 or later
  • Dimensions: 1.18" x 6.69" x 5.59"
  • Model #: RC-NIC412v2
  • Item #: N82E16833166130
  • Return Policy: Extended Holiday Return Policy
SYBA 2 Port Gigabit Ethernet PCI-e x1 Network Card - SY-PEX24028
SYBA 2 Port Gigabit Ethernet PCI-e x1 Network Card - SY-PEX24028
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • Weight: 0.44 lb.
  • Package Contents: Dual Port Gigabit Ethernet PCIe Card Driver CD User Manual Low-Profile Bracket
  • Model #: SY-PEX24028
  • Return Policy: View Return Policy
StarTech USB 3.0 to Gigabit Ethernet NIC Network Adapter (USB31000S)
StarTech USB 3.0 to Gigabit Ethernet NIC Network Adapter (USB31000S)
  • Standards: IEEE802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.1q VLAN tagging
  • Connectors: 1 x RJ45
  • LEDs: Activity (Yellow) Link (Green)
  • Temperature: Operating Temperature: 0°C to 40°C (32°F to 104°F) Storage Temperature: -20°C to 60°C (-4°F to 140°F)
  • Model #: USB31000S
  • Item #: N82E16833114074
  • Return Policy: Extended Holiday Return Policy
Intel E10G42BTDA 10Gbps PCI Express 2.0 x8 Server Adapter X520-DA2
Intel E10G42BTDA 10Gbps PCI Express 2.0 x8 Server Adapter X520-DA2
  • Standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as
  • Connectors: 2 x SFP+
  • Weight: 20
  • Parts: Lifetime limited
  • Model #: E10G42BTDA
  • Return Policy: View Return Policy
Intel EXPI9301CT 10/100/1000Mbps PCI-Express Desktop Adapter Gigabit CT
Intel EXPI9301CT 10/100/1000Mbps PCI-Express Desktop Adapter Gigabit CT
  • Connectors: 1 x RJ45
  • Temperature: 0°C ~ 55°C
  • Humidity: 90% non-condensing relative humidity at 35° C
  • Dimensions: 4.70" x 4.73" x 2.18"
  • Model #: EXPI9301CT
  • Return Policy: View Return Policy
Rosewill RC-20003 PCIe 2 Ports (2 Type-C) USB 3.2 Gen 2 Host Adapter
Rosewill
Rosewill RC-20003 PCIe 2 Ports (2 Type-C) USB 3.2 Gen 2 Host Adapter
  • Connectors: 2 x USB 3.2 Gen 2 Type-C Female ports
  • Dimensions: 3.71" x 0.84" x 4.76"
  • Weight: 0.09 lb.
  • Model #: RC-20003
  • Item #: N82E16833166148
  • Return Policy: Extended Holiday Return Policy
  • $54.99
  •  
  • $34.99 
  • Save: 36%
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Rosewill RC-20001 2.5Gbps PCI-Express x1 2.5GBASE-T PCIe Network Adapter
Rosewill RC-20001 2.5Gbps PCI-Express x1 2.5GBASE-T PCIe Network Adapter
  • Connectors: 1 x RJ45
  • LEDs: Link/Activity
  • Dimensions: 3.94" x 0.79" x 4.76"
  • Weight: 0.08 lb.
  • Model #: RC-20001
  • Item #: N82E16833166146
  • Return Policy: Extended Holiday Return Policy
  • $29.99
  •  
  • $24.99 
  • Save: 17%
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ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and built-in QoS for Use with Windows 10 / 8.1 / 8 / 7 and Linux Kernel 4.4 / 4.2 / 3.6 / 3.2 (XG-C100C)
ASUS XG-C100C 10G Network Adapter PCI-E x4 Card with Single RJ-45 Port and built-in QoS for Use with Windows 10 / 8.1 / 8 / 7 and Linux Kernel 4.4 / 4.2 / 3.6 / 3.2 (XG-C100C)
  • Standards: IEEE 802.3an 10GBASE-T IEEE 802.3u 100Base-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3az Energy Efficient Ethernet IEEE 802.1p Priority Queuing
  • LEDs: Dual color Speed LED Single color Link / Act LED
  • Temperature: Operating Temperature: 0 ~ 40 degree Celsius (32 ~ 104 degree Fahrenheit) Storage Temperature: -40 ~ 85 degree Celsius (-40 ~ 185 degree Fahrenheit)
  • Dimensions: 0.81" x 3.33" x 4.72"
  • Model #: XG-C100C
  • Item #: N82E16833320272
  • Return Policy: Extended Holiday Return Policy
Intel EXPI9301CTBLK 10/100/1000Mbps PCI-Express Network Adapter
Intel EXPI9301CTBLK 10/100/1000Mbps PCI-Express Network Adapter
  • Connectors: 1 x RJ45
  • Wake On LAN: Yes
  • Temperature: 0°C ~ 55°C
  • Humidity: 90% non-condensing relative humidity at 35° C
  • Model #: EXPI9301CTBLK
  • Return Policy: View Return Policy
Rosewill RC-20002 10Gbps PCI Express 2.0 x4 (5.0 GT/s) 4 Ports PCI Express Expansion Card/Adapter
Rosewill
Rosewill RC-20002 10Gbps PCI Express 2.0 x4 (5.0 GT/s) 4 Ports PCI Express Expansion Card/Adapter

Free Rosewill Gift w/ purchase, limited offer

  • Connectors: 2 x USB 3.2 Gen 2 Type-C Female ports 2 x USB 3.2 Gen 2 Type-A Female ports
  • Dimensions: 6.02" x 0.83" x 4.76"
  • Weight: 0.18 lb.
  • Model #: RC-20002
  • Item #: N82E16833166147
  • Return Policy: Extended Holiday Return Policy
  • $99.99
  •  
  • $74.99 
  • Save: 25%
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Intel EXPI9402PTBLK 10/100/1000Mbps PCI-Express Two Gigabit Copper Server Connections
Intel EXPI9402PTBLK 10/100/1000Mbps PCI-Express Two Gigabit Copper Server Connections
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
  • Connectors: 2 x RJ45
  • BUS: PCI Express 1.0a x4 lane PCI Express, operable in x4, x8, x16 slots
  • LEDs: 4 (1/port, link and speed) solid and blinking
  • Model #: EXPI9402PTBLK
  • Return Policy: View Return Policy
Intel E10G42BT 10Gbps PCI Express x8 X520-T2 10Gigabit Ethernet Card
Intel E10G42BT 10Gbps PCI Express x8 X520-T2 10Gigabit Ethernet Card
  • Connectors: 2 x RJ45
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: E10G42BT
  • Return Policy: View Return Policy
XG-C100F 10GBPS PCIE 2.0/3.0
XG-C100F 10GBPS PCIE 2.0/3.0

+ 20% off w/ promo code 36CYBDB82, limited offer

  • : XG-C100F
  • Standards: IEEE 802.3ae 10GBASE-LR/SR IEEE 802.1p Priority Queuing IEEE 802.1q VLAN Tagging
  • Class: 10G, PCIE
  • Electrical Outlet Plug Type: Consumer Electronics
  • Model #: XG-C100F
  • Item #: 14U-005F-000W6
  • Return Policy: Extended Holiday Return Policy
  •  
  • $99.99 (13 Offers)
  • Sale Ends in 3 Days (Sun) -
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Intel Wireless 9560NGWG AC 9560 Single Pack
Intel
Intel Wireless 9560NGWG AC 9560 Single Pack

Limited time offer, ends 12/19

Intel Ethernet Converged Network Adapter X540-T1
Intel Ethernet Converged Network Adapter X540-T1
  • Connectors: 1 x RJ45
  • Weight: 1
  • Package Contents: Ethernet Converged Network Adapter X540-T1 Information CD Low-Profile Bracket
  • Parts: 30 DAYS WARRANTY
  • Model #: X540T1
  • Return Policy: View Return Policy
Intel EXPI9404PTL 10/100/1000Mbps PCI-Express PT Quad Port Low Profile Server Adapter
Intel EXPI9404PTL 10/100/1000Mbps PCI-Express PT Quad Port Low Profile Server Adapter
  • Standards: IEEE 802.1Q VLANs IEEE 802.3ad IEEE 802.3ab IEEE 802.3u IEEE 802.3x IEEE 802.1p IEEE 802.3z
  • Connectors: 4 x RJ45
  • BUS: PCI Express 1.0a
  • LEDs: 4 (1/port, link and speed) solid and blinking
  • Model #: EXPI9404PTL
  • Return Policy: View Return Policy
Intel X540T2 100Mbps/1Gbps/10Gbps PCI Express 2.1 x8 Ethernet Converged Network Adapter
Intel X540T2 100Mbps/1Gbps/10Gbps PCI Express 2.1 x8 Ethernet Converged Network Adapter
  • Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab
  • Connectors: 2 x RJ45
  • Weight: 20
  • Parts: Lifetime
  • Model #: X540T2
  • Return Policy: View Return Policy
Page 1/100
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  • Network Interface Cards

Network Interface Cards and Adapters

A network interface card (NIC) provides a physical connection to a network. It allows your computer to "talk" to the network and the network to communicate with your computer. Each computer that is attached to a network requires a network interface card or chip. They help computers communicate with servers and other computers on the network.

Usually, these fit into expansion slots of CPUs, unless they're pre-installed or integrated into the motherboard. Some are external and attach to computers through serial or parallel ports. NICs for laptops are usually external. An interface card takes data from a PC, converts it into data "frames" that are broadcast onto the network, and sends it to another interface card. That card receives the frames, converts them into data, and sends it to that PC.

What to Look for in Network Interface Cards

When you are looking to build a LAN or upgrade or replace it, the NIC should be one of the first things you consider. You need to think about compatibility with operating systems, ease of installation, and price, especially for large company installations where you'll need many cards. NIC cards are usually Ethernet adapters. Others support other protocols such as ATM.

One other consideration before purchasing network interface cards is the speed that they support. For example, you may want an interface card that supports 10 Mbps traditional, or fast Ethernet, and on up to 10/20Gbps! You should also know the type of ports you are connecting them to and the standards your systems support. PCI, PCI-x and PCI-e or USB are all common iterfaces, and whether or not they'll work on your system depends on what sort of Network Interface Card your system supports.

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