ATTOSpec score 8.1
100 Speed, 2 Ports, Thunderbolt, QSFP
+100 Gb Ethernet speed for very high-bandwidth networking
+Dual ports for two connections
+Thunderbolt connection for compatible computers
−Requires QSFP28 optical modules for connectivity
$2,091.79
as of 11/04/2026 02:10 PST - DetailsProduct details
Spec score8.1
Pros+100 Gb Ethernet speed for very high-bandwidth networking
+Dual ports for two connections
+Thunderbolt connection for compatible computers
+Low-profile design fits compact systems
+Uses LC optical fiber connectors
Cons−Requires QSFP28 optical modules for connectivity
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
How pros and cons are picked (About: Disclaimer) About this product
AndXeSpec score 8.9
100 Speed, 2 Ports, PCIe, QSFP
+100 Gbps speed for high-bandwidth networks
+Dual QSFP28 ports for two high-speed connections
+PCIe 4.0 x16 interface
−Requires a PCIe x16 slot in the host system
$5,018.00
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.9
Pros+100 Gbps speed for high-bandwidth networks
+Dual QSFP28 ports for two high-speed connections
+PCIe 4.0 x16 interface
+SR-IOV support for virtualization
Cons−Requires a PCIe x16 slot in the host system
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+SR-IOV: only 4 of 35 here have one
How pros and cons are picked (About: Disclaimer) About this product
JKdfhRYSpec score 8.7
400 Speed, 2 Ports, PCIe, QSFP
+Two 400G QSFP112 ports
+PCIe 6.0 x16 interface
+Secure Boot with InfiniBand and Ethernet RoCE support
−Requires a full x16 PCIe slot
$6,297.50
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.7
Pros+Two 400G QSFP112 ports
+PCIe 6.0 x16 interface
+Secure Boot with InfiniBand and Ethernet RoCE support
Cons−Requires a full x16 PCIe slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+400 speed: the highest speed of the 30 here
How pros and cons are picked (About: Disclaimer) About this product
AhuaykSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+Two 200G QSFP56 ports
+PCIe 4.0 x16 interface
+Supports InfiniBand and Ethernet with RoCE
−Requires a full x16 PCIe slot
$3,218.00
as of 11/04/2026 03:07 PST - DetailsProduct details
Spec score8.3
Pros+Two 200G QSFP56 ports
+PCIe 4.0 x16 interface
+Supports InfiniBand and Ethernet with RoCE
Cons−Requires a full x16 PCIe slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.9
40 Speed, 2 Ports, PCI, QSFP
+40 Gbps speed for high-throughput server links
+Two QSFP+ ports for dual connections
+Intel XL710 chipset
−Requires QSFP+ transceivers or cables to connect
$253.09
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.9
Pros+40 Gbps speed for high-throughput server links
+Two QSFP+ ports for dual connections
+Intel XL710 chipset
Cons−Requires QSFP+ transceivers or cables to connect
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
−40 speed: 23 of the 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
Chelsio CommunicationsSpec score 7.9
40 Speed, 2 Ports, PCIe, QSFP
+Two ports for dual network connections
+Supports 40 Gb/s speed on each port
+Low profile form factor fits small chassis
$499.00
as of 11/04/2026 06:05 PST - DetailsProduct details
Spec score7.9
Pros+Two ports for dual network connections
+Supports 40 Gb/s speed on each port
+Low profile form factor fits small chassis
+Uses PCI-E x8 Gen 3 interface
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
−40 speed: 23 of the 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
FebSmartSpec score 8.9
100 Speed, 2 Ports, PCIe, QSFP
+Two 100 Gbps QSFP28 fiber ports
+PCIe x16 interface for high bandwidth
+SR-IOV support for virtualization
−Requires a PCIe x16 slot
$295.99
as of 11/04/2026 03:07 PST - DetailsProduct details
Spec score8.9
Pros+Two 100 Gbps QSFP28 fiber ports
+PCIe x16 interface for high bandwidth
+SR-IOV support for virtualization
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+SR-IOV: only 4 of 35 here have one
How pros and cons are picked (About: Disclaimer) About this product
VogzoneSpec score 8.9
100 Speed, 2 Ports, PCIe, QSFP
+Dual QSFP28 ports for 100GbE connections
+PCIe 4.0 x16 interface for high-bandwidth throughput
+Supports SR-IOV virtualization
−Requires a PCIe x16 slot to install
$439.99
as of 11/04/2026 03:08 PST - DetailsProduct details
Spec score8.9
Pros+Dual QSFP28 ports for 100GbE connections
+PCIe 4.0 x16 interface for high-bandwidth throughput
+Supports SR-IOV virtualization
+Low-profile form factor fits compact chassis
Cons−Requires a PCIe x16 slot to install
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+SR-IOV: only 4 of 35 here have one
How pros and cons are picked (About: Disclaimer) About this product
OdlnmoioxSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$4,031.00
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$3,688.37
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
WaanjnmjuSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$3,627.90
as of 11/04/2026 02:10 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
HrlnkkxeqSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$3,627.90
as of 11/04/2026 02:10 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
KnjcsvhghSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$3,612.78
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
BfqtxlavkSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
−Requires a PCIe x16 slot
$3,612.78
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+200 Gbps speed per port for high-bandwidth networking
+Two ports for dual-link network connections
+PCIe 5.0 x16 interface for high-throughput host connection
+QSFP112 ports for 200G connectivity
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
YrwygcgwySpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+Two ports for 200G connections
+PCIe 5.0 x16 interface for high bandwidth
+QSFP112 ports for high-speed links
−Requires a PCIe x16 slot
$3,600.00
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+Two ports for 200G connections
+PCIe 5.0 x16 interface for high bandwidth
+QSFP112 ports for high-speed links
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
PtulmrtvnSpec score 8.3
200 Speed, 2 Ports, PCIe, QSFP
+Two ports for 200G connections
+PCIe 5.0 x16 interface for high bandwidth
+QSFP112 ports for high-speed links
−Requires a PCIe x16 slot
$4,031.00
as of 11/04/2026 10:07 PST - DetailsProduct details
Spec score8.3
Pros+Two ports for 200G connections
+PCIe 5.0 x16 interface for high bandwidth
+QSFP112 ports for high-speed links
Cons−Requires a PCIe x16 slot
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
+200 speed: only 2 of 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.9
40 Speed, 2 Ports, PCIe, QSFP
+Dual-port design with two 40 Gbps ports
+PCIe 3.0 x8 interface
+Includes two QSFP+ modules
$170.26
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.9
Pros+Dual-port design with two 40 Gbps ports
+PCIe 3.0 x8 interface
+Includes two QSFP+ modules
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
−40 speed: 23 of the 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
LpxlqklypSpec score 7.9
40 Speed, 2 Ports, PCIe, QSFP
+40 Gbps speed per port
+Two QSFP ports on one card
+PCIe 3.0 x8 bus connection
$535.55
as of 11/04/2026 09:09 PST - DetailsProduct details
Spec score7.9
Pros+40 Gbps speed per port
+Two QSFP ports on one card
+PCIe 3.0 x8 bus connection
Compared with the 18 Network Cards on this page+2 ports: the most ports of the 23 here
−40 speed: 23 of the 30 here have a higher speed
How pros and cons are picked (About: Disclaimer) About this product
