StarTech.comSpec score 7.2
10 Speed, 1 Ports, PCIe, RJ45
+10 Gbps speed over RJ45 copper
+Low profile bracket fits small form factor cases
+Jumbo frame support for larger packets
−Only two PCIe lanes limit peak throughput
$172.99-6%List: $183.46
as of 11/04/2026 03:08 PST - DetailsProduct details
Spec score7.2
Pros+10 Gbps speed over RJ45 copper
+Low profile bracket fits small form factor cases
+Jumbo frame support for larger packets
Cons−Only two PCIe lanes limit peak throughput
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
−1 ports: 19 of the 28 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
Intel
PCIe, RJ45, Intel
+Uses a PCIe interface for desktop installation
+Built on an Intel chip
+Provides an RJ45 port for copper Ethernet cabling
$149.99
as of 11/04/2026 03:07 PST - DetailsProduct details
About this product
OWC
10 Speed, Thunderbolt, RJ45
+10 Gb/s Ethernet speed over an RJ45 port
+Connects through a Thunderbolt 4 interface
+Thunderbolt 4 link rated at 40Gb/s
$199.99
as of 11/04/2026 06:06 PST - DetailsProduct details
Pros+10 Gb/s Ethernet speed over an RJ45 port
+Connects through a Thunderbolt 4 interface
+Thunderbolt 4 link rated at 40Gb/s
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
SynologySpec score 7.3
10 Speed, 2 Ports, RJ45
+Two 10GbE ports for faster wired network speeds
+RJ-45 ports work with standard Ethernet cables
+Mini form factor suits compact upgrade modules
$109.99-23%List: $143.54
as of 11/04/2026 10:08 PST - DetailsProduct details
Spec score7.3
Pros+Two 10GbE ports for faster wired network speeds
+RJ-45 ports work with standard Ethernet cables
+Mini form factor suits compact upgrade modules
Compared with the 19 Network Cards on this page+2 ports: only 4 of 28 here have more ports
+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.3
10 Speed, 2 Ports, PCIe, RJ45
+Two RJ45 ports for dual wired connections
+Intel chipset for 10 Gbps Ethernet
+Uses an x8 PCIe slot for bandwidth
−Uses a PCIe x8 slot
$119.44
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.3
Pros+Two RJ45 ports for dual wired connections
+Intel chipset for 10 Gbps Ethernet
+Uses an x8 PCIe slot for bandwidth
+Full-length PCIe card for standard server or desktop builds
Cons−Uses a PCIe x8 slot
Compared with the 19 Network Cards on this page+2 ports: only 4 of 28 here have more ports
+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
AkpzkyywnSpec score 7.2
2.5 Speed, 2 Ports, PCIe, RJ45
+Two RJ45 ports for dual wired connections
+2.5Gbps speed per port
+Connects to a PCIe slot
−Takes up a PCIe slot
$116.07
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score7.2
Pros+Two RJ45 ports for dual wired connections
+2.5Gbps speed per port
+Connects to a PCIe slot
Cons−Takes up a PCIe slot
Compared with the 19 Network Cards on this page+2 ports: only 4 of 28 here have more ports
−2.5 speed: 39 of the 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Akpzkyywn
2.5 Speed, PCIe, RJ45, Intel
+2.5Gbps wired Ethernet speed
+Intel I226 chip
+Connects to a PCIe slot
−Takes up a PCIe slot
$193.90
as of 11/04/2026 10:07 PST - DetailsProduct details
Pros+2.5Gbps wired Ethernet speed
+Intel I226 chip
+Connects to a PCIe slot
Cons−Takes up a PCIe slot
Compared with the 19 Network Cards on this page−2.5 speed: 39 of the 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Intel
1 Speed, PCIe, RJ45, Intel
+Four RJ-45 copper ports for four connections
+PCI Express 2.0 x4 lane interface
+Copper RJ-45 ports suit standard Ethernet cabling
−Limited to 1 Gbps speed
$135.00
as of 11/04/2026 10:07 PST - DetailsProduct details
Pros+Four RJ-45 copper ports for four connections
+PCI Express 2.0 x4 lane interface
+Copper RJ-45 ports suit standard Ethernet cabling
+1 Gbps port speed
Cons−Limited to 1 Gbps speed
Compared with the 19 Network Cards on this page−1 speed: 41 of the 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Sabrent
10 Speed, USB, RJ45, Marvell (Aquantia)
+10 Gbps speed for fast wired networking
+Works with Thunderbolt 3, 4, 5 and USB4 ports
+Marvell chip for 10GbE connections
−Requires a Thunderbolt or USB4 port to connect
$129.99
as of 11/04/2026 03:08 PST - DetailsProduct details
Pros+10 Gbps speed for fast wired networking
+Works with Thunderbolt 3, 4, 5 and USB4 ports
+Marvell chip for 10GbE connections
Cons−Requires a Thunderbolt or USB4 port to connect
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Sonnet
10 Speed, PCIe, RJ45
+Two 10GbE RJ45 ports on one card
+Supports link aggregation
+Low-profile form factor fits small cases
−Requires a PCIe slot in the computer
$199.99
as of 11/04/2026 03:07 PST - DetailsProduct details
Pros+Two 10GbE RJ45 ports on one card
+Supports link aggregation
+Low-profile form factor fits small cases
+Works with Mac, Windows and Linux
Cons−Requires a PCIe slot in the computer
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
AkpzkyywnSpec score 7.2
10 Speed, 1 Ports, PCIe, RJ45
+10 Gbps speed for fast transfers on high-bandwidth networks
+Single RJ45 port for standard Ethernet cabling
+PCIe x4 interface
−Uses a full x4 PCIe slot
$170.72
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score7.2
Pros+10 Gbps speed for fast transfers on high-bandwidth networks
+Single RJ45 port for standard Ethernet cabling
+PCIe x4 interface
+Marvell (Aquantia) chipset
Cons−Uses a full x4 PCIe slot
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
−1 ports: 19 of the 28 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
StarTech.com
10 Speed, RJ45, Realtek
+10 Gbps Ethernet speed over USB-C
+RJ45 port for standard Ethernet cables
+Thunderbolt compatible per the product name
−USB-based adapter, slower than a PCIe card
$100.99
as of 11/04/2026 11:07 PST - DetailsProduct details
Pros+10 Gbps Ethernet speed over USB-C
+RJ45 port for standard Ethernet cables
+Thunderbolt compatible per the product name
+Works with Windows and Mac per the product name
Cons−USB-based adapter, slower than a PCIe card
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.5
10 Speed, 4 Ports, PCIe, RJ45
+Offers four 10 gigabit RJ45 ports on one card
+Uses an Intel X540-T4 chip for 10G networking
+Installs in a PCIe slot for desktop and server systems
$181.24
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.5
Pros+Offers four 10 gigabit RJ45 ports on one card
+Uses an Intel X540-T4 chip for 10G networking
+Installs in a PCIe slot for desktop and server systems
Compared with the 19 Network Cards on this page+4 ports: only 1 of 28 here have more ports
+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
SonnetSpec score 7.2
10 Speed, 1 Ports, PCIe, RJ45
+Single RJ45 port for 10 Gigabit Ethernet connections
+Installs in a PCIe slot for desktop connectivity
+Thunderbolt compatible for use with Thunderbolt systems
$109.99
as of 11/04/2026 03:07 PST - DetailsProduct details
Spec score7.2
Pros+Single RJ45 port for 10 Gigabit Ethernet connections
+Installs in a PCIe slot for desktop connectivity
+Thunderbolt compatible for use with Thunderbolt systems
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
−1 ports: 19 of the 28 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
YrwygcgwySpec score 7.2
10 Speed, 1 Ports, PCIe, RJ45
+10 Gbps speed over standard copper Ethernet
+RJ45 port connects to common Ethernet cabling
+PCIe x8 interface for high-bandwidth slots
$145.93
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score7.2
Pros+10 Gbps speed over standard copper Ethernet
+RJ45 port connects to common Ethernet cabling
+PCIe x8 interface for high-bandwidth slots
+Intel chipset for the network card
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
−1 ports: 19 of the 28 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
Akpzkyywn
10 Speed, PCIe, RJ45, Realtek
+Delivers 10 gigabit speed over a standard RJ45 port
+Installs in a PCIe slot for desktop computers
+Uses a Realtek chip for network connectivity
$197.68
as of 11/04/2026 10:07 PST - DetailsProduct details
Pros+Delivers 10 gigabit speed over a standard RJ45 port
+Installs in a PCIe slot for desktop computers
+Uses a Realtek chip for network connectivity
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
StarTech.com
10 Speed, Thunderbolt, RJ45
+10 Gbps external Ethernet speed
+Connects over Thunderbolt 3, 4, and 5
+Multi-gigabit speed support
$179.99
as of 11/04/2026 03:08 PST - DetailsProduct details
Pros+10 Gbps external Ethernet speed
+Connects over Thunderbolt 3, 4, and 5
+Multi-gigabit speed support
Compared with the 19 Network Cards on this page+10 speed: only 7 of 47 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
EuqvosSpec score 8.4
10 Speed, PCIe, RJ45, Intel
+SR-IOV: only 5 of 61 here have one
+10 speed: only 7 of 47 here have a higher speed
$119.99
as of 11/04/2026 03:07 PST - DetailsProduct details
About this product
LemspumSpec score 8.1
10 Speed, 2 Ports, PCIe, RJ45
+SR-IOV: only 5 of 61 here have one
+2 ports: only 4 of 28 here have more ports
$108.99
as of 11/04/2026 03:06 PST - DetailsProduct details
About this product
