here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
Add-On Cards
- In Stock
- Sold by Newegg
- Make an Offer
- New
Can’t find the filter you need? Let AI help.
I'm Celeste, Newegg's tech expert! Need help with "operating system"?
USB3.1 Gen2 Internal 20-pin Front Panel Connector Expansion Card 10 Gbit/s USB 2.0 PCI Express 3.0 X2 Adapter for Desktop PCs
Limited time offer, ends 10/17
$31.49
Free Shipping
7 Ports Superspeed 5Gbps USB 3.2 PCI Express Expansion Card for Windows 11, 10, 8.x, 7, Vista, XP Desktop PCs, Built in Self-Powered Technology, (2X USB C - 5X USB A)
Limited time offer, ends 10/17
$56.29
Free Shipping
H!Fiber 4 Port PCIe SATA Card with 4 SATA Cable, 6Gbps SATA3.0 Expansion Card, ASMedia ASM1064 chip, PCIe 3.0 X1, Support SSD and HDD, with Full Height and Low Profile Bracket
Limited time offer, ends 11/10
$49.39
Free Shipping
5Gbps PCIe Network Adapter, RTL8126 Chip Multi-Gigabit Ethernet Card (5G/2.5G/1G/100Mbps) PCIe 3.1 X1, RJ45 LAN Controller with PXE Boot, Low Profile Bracket for Windows/Linux
Limited time offer, ends 11/10
$58.39
Free Shipping
Vszerda 5 Slot M.2 B-Key SATA Base SSD PCI-e 3.0 x2 Bandwidth Expansion Card Require x16 Slot SI-PEX40142
Limited time offer, ends 10/25
$198.99
Free Shipping
ESTONE PCIE USB 3.2 Gen 2 Card 5 Ports(3X USB C - 2X USB A), PCI Expree to USB Expansion Card Super Speed 10Gbps PCI-e USB3.2 Hub Controller Adapter for Windows 11/10/8/7/XP/Vista
Limited time offer, ends 10/25
$42.99
Free Shipping
ESTONE PCIE to USB3.2 Expansion Card, 8-Port (4X USB 3.2 A,4X USB C) Superspeed 10Gbps Front Expansion Card, USB PCIE Expansion Card for Win XP Win7 Win 8 Win 10 Win 11 Linux
Limited time offer, ends 10/25
$61.99
Free Shipping