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Network Cards under $400

All Network Cards

2 network cards under $400. Prices run $378 to $379.

All filtersFilters (1)×
Interface: USB  ×Clear all
BrandQNAP1Silex Technology1
Speed101
Ports21
InterfacePCIe8USB2PCI1
Port typeRJ451
Clear allShow 2 Network Cards
Interface: USB  ×2 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
QNAPSpec score 7.4

10 Speed, 2 Ports, USB, RJ45

+Two RJ45 ports for 10 Gbps wired connections
+Connects over USB 4 Type-C interface
+Compatible with Thunderbolt 3 and Thunderbolt 4 connections
$378.11
as of 11/04/2026 11:06 PST - Details
Silex Technology

USB

+Connects through a USB port
+Supports WiFi 5 wireless connectivity
+Supports IPv4 and IPv6
$379.99
as of 11/04/2026 11:06 PST - Details

Compare specs

network cardSpeedPortsSpec scorePrice
1027.4$378.11
as of 11/04/2026 11:06 PST - Details
n/a$379.99
as of 11/04/2026 11:06 PST - Details

Before you buy

Other price ranges

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Popular filters

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.