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10Gb PCI-E NIC Network Card for Intel X550-T2,2.5GbE/5GbE/10GbE Copper Dual RJ45 Ports,with Intel ELX550AT2 Chip,10GbE PCI Express 3.0 X4 Ethernet Adapter Support Windows/Linux/VMware
Limited time offer, ends 08/31
- Brand: HP
- Part Number: VG-X550-T2
- Features: 8.8"L x 5.9"W x 1.1"H, 10 gigabytes_per_second, ethernet, Desktop, 3-Year Free Warranty
- Dimensions: 14.33in W x 12.83in H x 9.06in D
- Model #: 532704595420
- $134.99 –
- Free Shipping
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PCI Express Dual Port Copper Gigabit Ethernet Bypass Server Adapter(Intel I350AM2 based)
- Connectors: Dual Shielded RJ-45
- Temperature: 0°C ~ 45°C
- Humidity: 5 % ~ 95 % (Non-condensing)
- Class: 1000M, PCIE
- Model #: LREC9712HT-BP
- $188.30 –
- $10.00 Shipping
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- $259.99 –
- More options from $259.99 - $396.48
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Belkin USB-C to Gigabit Ethernet Adapter (USB Type-C)
- Connectors: 1 x RJ45
- Package Contents: USB-C to Gigabit Ethernet Adapter
- Model #: B2B145-BLK
- $25.99 –
- More options from $25.99 - $90.99
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Mellanox ConnectX-4 EN Network Adapter (MCX414A-BCAT)
- Model #: 927946782558
- $279.99 –
- Free Shipping
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- $292.56 –
- Free Shipping
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- Model #: G174P-0G174P-dell-new
- $75.00 –
- Free Shipping
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Refurbished IBM 49Y7961 Intel X520-DA2 Dual Port 10GbE SFP+ Network Adapter Card
- Model #: 49Y7961, 049Y7961, CN-049Y7961
- $75.00 –
- Free Shipping
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Intel E10G41BFSR 10Gbps PCI Express 2.0 x8 Server Adapter X520-SR1
- Standards: IEEE 802.3, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as
- Connectors: 1 x LC
- Parts: Lifetime limited
- Labor: Lifetime limited
- Model #: E10G41BFSR
- $209.95
- $55.76 –
- Save: 73%
- More options from $55.76 - $75.02
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Mellanox CX4121A MCX4121A-ACAT ConnectX-4 25Gigabit Ethernet Card PCI-E 3.0
- Model #: 6908901189
- $98.94 –
- More options from $98.26 - $250.00
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Intel EXPI9400PT 10/100/1000Mbps PCI-Express Gigabit Copper Connection for Servers
- Standards: IEEE802.3, IEEE802.3u, IEEE802.3ab, IEEE802.3x
- Connectors: 1 x RJ45
- BUS: PCI Express 1.0a
- LEDs: 2 (1/port, link and speed) solid and blinking
- Model #: EXPI9400PT
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StarTech.com USB to Ethernet Adapter, USB 3.0 to 10/100/1000 Gigabit Ethernet LAN Adapter, USB to RJ45 Adapter, TAA Compliant
- 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
- $33.99 –
- More options from $33.99 - $40.43
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BUCIER PA17 PCIe 5.0 X16 Riser Adapter Card, Straight and Low-Profile for 1U/2U Server Installation
- Brand: BUCIER
- Part Number: PA17-180D
- Standards: PCIe
- Connectors: PCIe
- Model #: 8567457991
- $34.99 –
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QNAP QXG-10G2T-X710, Two 10GbE Ports with SR-IOV and iSCSI, Block-based, Supports Multiple Virtual Disk Modes
- Brand: QNAP
- Part Number: QXG-10G2T-X710
- Standards: IEEE 802.1Q IEEE 802.3x IEEE 802.1p IEEE 802.3ad IEEE 802.3ae IEEE 1588 IEEE 802.1as
- Features: Controller: Intel Ethernet Controller X710 Number of Ports: 2 x NBASE-T (RJ45) Connector: NBASE-T (RJ45) PCIe and Lanes: PCIe 3.0 x4 Transmission Rates: 10Gbps/5Gbps/2.5Gbps/1Gbps/ 100Mbps Bracket: Low-profile bracket pre-installed; full-height and specialized (for selected QNAP NAS) brackets are bundled SR-IOV Support NVGRE, VXLAN, Geneve Support 1K ingress and egress QoS levels: On-chip QoS How mant virtual functions: 128 (64/port) Supported NAS operating systems QTS 4.4.3 or later (recommend an upgrade to the latest version); Windows 10 (1809 or later); Linux Stable Kernel 4.20/5.x; Windows Server 2019 (Driver required) Supported QNAP NAS: Models with PCIe slot(s) (1 free slo...
- Model #: RNAB095XMV6Z8
- $351.99 –
- More options from $351.99 - $456.00
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Intel EXPI9402PTBLK-1PK 10/100/1000Mbps PCI-Express PRO/1000 PF Dual Port Server Adapter
- Connectors: 2 x RJ45
- BUS: PCI Express x16
- Dimensions: 0.85" Height x 5.10" Width
- Parts: Lifetime limited
- Model #: EXPI9402PTBLK-1PK
- $47.49 –
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Refurbished V000270880 Toshiba Satellite C855D Mini Wireless Card
- Model #: V000270880
- $14.99 –
- Free Shipping
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LSI 9220-8i RAID Controller Card SAS 6Gbps HBA FW:P20 9211-8i IT Mode ZFS FreeNAS unRAID Expander Card + 2 * SFF8087 SATA Cable
- Model #: 69089112220
- $69.00 –
- Free Shipping
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Intel Gigabit ET Dual Port Server Adapter, OEM Pack (E1G42ETBLK)
- Connectors: 2 x RJ45
- Weight: 0.25
- Package Contents: Gigabit ET Dual Port Server Adapter Informational CD Bracket
- Parts: 30 Days Warranty
- Model #: E1G42ETBLK
- $61.93 –
- More options from $61.31 - $63.89
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StarTech 1-Port Gigabit PCIe Network Adapter Card, Low-Profile NIC ST1000SPEX2LT
- Brand: StarTech
- Model #:
- $35.07 –
- More options from $35.07 - $37.29
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Solarflare Flareon SFN8522-PLUS Dual-Port 10GbE SFP+ Network Adapter
- Weight: 0.55
- Model #: SFN8522-PLUS
- $369.96 –
- More options from $369.96 - $699.00
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Intel E1G42ET 10/100/1000Mbps PCI-Express Dual Port Server Adapter
- Connectors: 2 x RJ45
- Dimensions: 2.68" x 6.59"
- Weight: 20
- Parts: Lifetime limited
- Model #: E1G42ET
- $89.95
- $48.98 –
- Save: 45%
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12G External PCIe Controller Card, SAS/SATA HBA Card, Broadcom's SAS 3008 Chip, PCI Express 3.0 X8, 2X Mini SAS SFF-8644 Ports,Same as LSI SAS 9300-8E
- Model #: 69089112118
- $175.99 –
- Free Shipping
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- Model #: E810CQDA2OCPV3
- $489.48 –
- More options from $466.99 - $959.00
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SYBA Multimedia 2-Port Ethernet PCIe x1 Card
- Standards: IEEE 802.3, 802.3u, 802.3ab
- Dimensions: 1.50" x 5.50" x 7.00" (H x W x L)
- Weight: 0.28 lb
- Package Contents: 1 x Gigabit Ethernet PCIe Card 1 x User Manual 1 x Driver CD 1 x Low Profile Bracket
- Model #: SD-PEX24041
- $26.99 –
- More options from $26.99 - $33.70
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vantec single port usb 3.2 gen2x2 20gbps type c pcie host card (ugt-pce320c)
- Brand: HP
- Part Number: UGT-PCE320C
- Connectors: USB
- Features: Classic
- Model #: RNAB08ZVRXKGB
- $64.32 –
- More options from $46.84 - $64.32
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- Model #: X8DHT-N232-dell-new
- $55.89 –
- More options from $55.89 - $62.88
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2.5G PCIe Network Adapter RTL8125B 2500/1000/100Mbps, RIITOP PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support PXE for Windows/Linux/MAC with Low Profile
Limited time offer, ends 08/19
- Model #: PCET25G-UT-RT
- $19.99 –
- Free Shipping
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USB 4.0 Type-C (Compatible to Thunderbolt 3) 10G Ethernet Adapter, For High-Speed Network Connections, RJ45 port supports 10Gb/s, 5Gb/s, 2.5Gb/s, 1Gb/s and 100Mb/s Base-T, Ideal for Mac Mini
- Class: 10G, PCIE
- Model #: SY-TDB24097
- $79.99 –
- Free Shipping
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SAS9305-16i LSI 9305-16i SATA SAS 12Gbs RAID Controller Host Bus Adapter PCIe 3.0 x8 IT-Mode 05-25703-00 HBA (9305-16I)
Limited time offer, ends 08/15
- Model #: 69089112138
- $94.84 –
- More options from $94.19 - $272.00
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Learn about Network Interface Cards (NICs)
Faster, More Reliable Wired Connectivity
A Network Interface Card gives your PC or server a fast, stable link to your network. From budget 1GbE to multi-gig (2.5GbE/5GbE) and 10GbE+, you’ll find PCI Express cards, USB adapters, and multi-port models in Newegg’s Network Interface Cards catalog. Pair your NIC with the right switch, optics, and cabling to unlock consistent throughput for gaming, low-latency streaming, content creation, virtualization, iSCSI backups, and more.
Popular NIC Categories
PCIe Ethernet Cards
The go-to choice for desktops and workstations. Options range from 1GbE and 2.5GbE to 10GbE/25GbE, with features like VLAN tagging, link aggregation (LACP), checksum/TSO/LRO offload, SR-IOV/RDMA, and PXE/Wake-on-LAN. Browse performance picks here: 10GbE network cards.
USB & USB-C Ethernet Adapters
Ideal for ultrabooks and mini PCs—plug-and-play wired networking without opening the case. Choose USB 3.0/USB-C for Gigabit and above. Find compact options in Network Adapters & Ethernet Connectors.
Fiber & SFP/SFP+ NICs
Use SFP/SFP+ for long-distance or electrically isolated runs and ultra-low latency. Pair your card with compatible optics from SFP/SFP+ transceivers and OM3/OM4 fiber for 10GbE and higher.
Key Decisions Before You Buy
Match the NIC to your target speed (1G, 2.5G, 5G, 10G, 25G), PCIe slot type (x1/x4/x8, Gen3/Gen4), and connector (RJ45 vs. SFP/SFP+). For fiber or long-run links, compare SFP+ fiber NICs. For copper installs, use the right cabling—see Ethernet cables (Cat6/Cat6a). If you’re wiring racks or tight spaces, confirm low-profile/half-height brackets and plan mounting with server racks & cabinets.
Performance tip: For 2.5GbE/5GbE over copper, Cat6/Cat6a reduces errors and heat. For 10GbE+ fiber, verify SR/LR optics and OM3/OM4 cable type. Power users should also check driver support for Windows, Linux, or VMware ESXi.
Typical Use Cases
Home & Gaming: Upgrade to a 2.5GbE PCIe card for faster downloads and smoother game/stream concurrency; pair with a 2.5G switch.
Creative & NAS: Move large media quickly with 10GbE PCIe NICs; use SFP+ for fiber runs to a rack or studio bay.
Virtualization & Labs: Choose dual-port/quad-port server NICs for VLANs, LACP, SR-IOV, and traffic isolation across hosts and services.
Why Add a Dedicated NIC?
Boosts wired speed and stability beyond onboard LAN, enables VLAN isolation and link aggregation, reduces CPU usage via hardware offloads, and adds flexibility for SFP/SFP+ fiber runs or multi-port redundancy and failover.
Frequently Asked Questions
Do I need 2.5GbE or is 1GbE enough?
1GbE is fine for basic browsing and streaming. If you copy large files, use fast NAS, or share bandwidth among many devices, 2.5GbE offers a noticeable speed boost—pair it with a compatible 2.5G switch.
RJ45 vs. SFP/SFP+ — which should I choose?
RJ45 over copper is convenient for short runs and existing cabling. SFP/SFP+ with fiber is better for long distances, lower latency, or electrical isolation. If you go fiber, match your card with the right optics from SFP/SFP+ transceivers.
Will a USB Ethernet adapter bottleneck my laptop?
Use USB 3.0 or USB-C models for Gigabit or faster speeds. They’re great for travel and thin-and-light PCs—browse options in Network Adapters & Ethernet Connectors.
Related Essentials
Build the whole stack: a multi-gig switch for uplinks, tidy runs with a patch panel, and protect your edge with firewalls & security.
Bestselling Network Interface Cards Reviews:
Mc
10/6/2023 5:13:51 PM
Net Issue? TP-Link TG-3468 has you covered!
“ If I ever need another network adapter card this will be my top choice ”
TP-Link 10/100/1000Mbps Gigabit Ethernet PCI Express, PCIE Network Adapter / Network Card / Ethernet Card for PC, Win10 supported (TG-3468)