400 Speed, Mellanox
+Supports 400 Gbps Ethernet speed for high-bandwidth networking
+Built on a Mellanox network chip
+Card adapter form factor fits standard expansion setups
−Only supports 400 Gbps, so lower-speed links need other hardware
$7,286.19
as of 11/04/2026 10:07 PST - DetailsProduct details
ConnectX-8 C8180 400GbE 900-9X81E-00EX-ST0 Card Adapter
$7,286.19as of 11/04/2026 10:07 PST - Details
View on AmazonPros
+Supports 400 Gbps Ethernet speed for high-bandwidth networking
+Built on a Mellanox network chip
+Card adapter form factor fits standard expansion setups
Cons−Only supports 400 Gbps, so lower-speed links need other hardware
Compared with the 1,232 Network Cards on this page+400 speed: the highest speed of the 628 here
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