StarTech.comSpec score 7.3
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 score7.3
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 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
−1 ports: 17 of the 21 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
StarTech.comSpec score 7.4
10 Speed, 2 Ports, PCIe, RJ45
+Two ports for two separate 10 Gbps Ethernet connections
+10 Gbps speed, well above standard gigabit Ethernet
+PCIe x4 interface for desktop motherboards
−Uses a PCIe x4 slot, which many boards lack
$216.36
as of 11/04/2026 03:08 PST - DetailsProduct details
Spec score7.4
Pros+Two ports for two separate 10 Gbps Ethernet connections
+10 Gbps speed, well above standard gigabit Ethernet
+PCIe x4 interface for desktop motherboards
+Low-profile bracket for compact small form factor builds
+Aquantia-based Marvell chip with 10GBASE-T and NBASE-T support
Cons−Uses a PCIe x4 slot, which many boards lack
Compared with the 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
+2 ports: only 4 of 21 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
SynologySpec score 7.4
10 Speed, 2 Ports, PCIe, RJ45
+Two RJ45 ports for 10 Gbps Ethernet connections
+PCIe interface for desktop and server expansion slots
+Model E10G30-T2 fits Synology network storage setups
$244.99
as of 11/04/2026 03:08 PST - DetailsProduct details
Spec score7.4
Pros+Two RJ45 ports for 10 Gbps Ethernet connections
+PCIe interface for desktop and server expansion slots
+Model E10G30-T2 fits Synology network storage setups
Compared with the 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
+2 ports: only 4 of 21 here have more ports
How pros and cons are picked (About: Disclaimer) About this product
SynologySpec score 7.3
10 Speed, 1 Ports, M.2, RJ45
+Combines a 10 Gbps RJ45 port with an M.2 slot
+Model E10M20-T1 fits Synology network storage setups
+Provides 10 Gbps speeds over copper Ethernet cabling
$223.99
as of 11/04/2026 03:08 PST - DetailsProduct details
Spec score7.3
Pros+Combines a 10 Gbps RJ45 port with an M.2 slot
+Model E10M20-T1 fits Synology network storage setups
+Provides 10 Gbps speeds over copper Ethernet cabling
Compared with the 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
−1 ports: 17 of the 21 here have more ports
How pros and cons are picked (About: Disclaimer) 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 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
KnjcsvhghSpec score 7.2
1 Speed, 2 Ports, PCIe, RJ45
+Dual Gigabit RJ45 ports for wired network connections
+Uses Intel I350AM2 chip
+Fits PCIe x1 slots
−Supports PoE, which requires PoE-compatible equipment
$214.47
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.2
Pros+Dual Gigabit RJ45 ports for wired network connections
+Uses Intel I350AM2 chip
+Fits PCIe x1 slots
Cons−Supports PoE, which requires PoE-compatible equipment
Compared with the 14 Network Cards on this page+2 ports: only 4 of 21 here have more ports
−1 speed: 26 of the 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Akpzkyywn
10 Speed, PCIe, RJ45, Marvell (Aquantia)
+Uses an RJ45 port for standard copper Ethernet cabling
+PCIe x4 slot fits many motherboards with a 10G connection
+Marvell Aquantia AQC107 chip for 10 Gbps networking
−Requires a PCIe x4 slot or larger
$237.96
as of 11/04/2026 10:07 PST - DetailsProduct details
Pros+Uses an RJ45 port for standard copper Ethernet cabling
+PCIe x4 slot fits many motherboards with a 10G connection
+Marvell Aquantia AQC107 chip for 10 Gbps networking
Cons−Requires a PCIe x4 slot or larger
Compared with the 14 Network Cards on this page+10 speed: only 5 of 31 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 14 Network Cards on this page−2.5 speed: 24 of the 31 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 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.6
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 score7.6
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 14 Network Cards on this page+4 ports: only 1 of 21 here have more ports
+10 speed: only 5 of 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
AkpzkyywnSpec score 7.3
2.5 Speed, 2 Ports, PCIe, RJ45
+2.5 Gbps speed on each RJ45 port
+Two RJ45 ports for two connections
+PCI Express interface with Intel I226 chip
$210.14
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score7.3
Pros+2.5 Gbps speed on each RJ45 port
+Two RJ45 ports for two connections
+PCI Express interface with Intel I226 chip
Compared with the 14 Network Cards on this page+2 ports: only 4 of 21 here have more ports
−2.5 speed: 24 of the 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
AkpzkyywnSpec score 7.3
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 score7.3
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 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
−1 ports: 17 of the 21 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 14 Network Cards on this page+10 speed: only 5 of 31 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 14 Network Cards on this page+10 speed: only 5 of 31 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
