Get a $25 Newegg Promo Gift Card when you spend $250+ between 1/17/26 and 1/19/26. Learn More>
  • In Stock
  • Sold by Newegg
  • AI Ready
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Type
Show More
External USB Ports
Show More
External 1394 Ports
All Top Brands
Availability
Condition
Current Promotion
Discount
Sold by
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
2.5G PCI-E Network Card PCI Express Network Card 2.5G Gigabit Diskless Network Card
Quick View
  •  
  • $18.06 
  • Free Shipping
Card 4 Port Gigabit Ethernet 10/100/1000M PCI-E PCI Express To 4X Gigabit Ethernet  Card LAN Adapter for Desktops
Quick View
  • $51.25 - $54.25
QNAP QXP-3X8PES Dual-Port PCIe Gen3 x8 Expansion Card for QNAP PCIe JBOD series (QXP-3X8PES)
Quick View
PCIE 10Gbps Networking Card Lan Interfaces Card Single Port 1G 2.5G 10Gbps
Quick View
  •  
  • $88.03 
  • Free Shipping
Card Mini PCI-E Version card V8.0 EXP GDC Beast PCIe PCI-E PCI Laptop External Independent Video Card Dock
Quick View
MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP Nvlink Tri-Frozr 2 Ampere Architecture OC Graphics Card (RTX 3090 GAMING X TRIO 24G)
Quick View
MSI
MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP Nvlink Tri-Frozr 2 Ampere Architecture OC Graphics Card (RTX 3090 GAMING X TRIO 24G)
  • Chipset Manufacturer: NVIDIA
  • Brand: MSI
  • Series: Gaming
  • Interface: PCI Express 4.0
  • Model #: (RTX 3090 GAMING X TRIO 24G)
  •  
  • $1,565.00 
  • Free Shipping
PCI-E to Type C (2),Type A (3) USB 3.0 5-Port PCI Express Expansion Card Expanding 2 USB 3.0 Ports with Internal 19-Pin Connector for Window 7/8/10/XP/Vista
Quick View
  •  
  • $40.59 
  • Free Shipping
  • $38.39 - $40.59
10Gbps PCIe USB C 3.2 Gen 2 Card, 2-Port PCle x4 to USB C 10G Expansion Adapter Card, PCI Express 3.0 x4 Adapter for Desktop PC, SSD Enclosures, Workstations, File Backup, Data only, Windows/Linux
Quick View
  •  
  • $31.99 
  • Free Shipping
Direct from RIITOP Direct from RIITOP
  • $30.00 - $31.99
eShinreal PCI Express x16 to 8 SFF-8643 NVMe Switch Card Support 8x U.2 NVMe SSD-PLX8748
Quick View
ESTONE PCI Express Expansion Card, 5Gbps USB 3.0 5-Port Front Expansion Card, Connect5 Devices Expanded - (3X USB C - 2X USB A)
Quick View
ESTONE PCI Express Expansion Card, 5Gbps USB 3.0 5-Port Front Expansion Card, Connect5 Devices Expanded - (3X USB C - 2X USB A)

Limited time offer, ends 02/13

  • Type: PCI to USB Card
  • External USB Ports: 5x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: E-PCIE22A3C-2
  •  
  • $24.99 
  • Free Shipping
ESTONE 4 Ports Superspeed 5Gbps USB 3.0 PCI Express Expansion Card (2X Type USB C - 2 USB A) for Windows 11/10/8/7/XP/Vista, Built in Self-Powered Technology, No Need Additional Power Supply
Quick View
ESTONE 4 Ports Superspeed 5Gbps USB 3.0 PCI Express Expansion Card (2X Type USB C - 2 USB A) for Windows 11/10/8/7/XP/Vista, Built in Self-Powered Technology, No Need Additional Power Supply

Limited time offer, ends 02/13

  • Type: PCI to USB Card
  • External USB Ports: 4x USB Ports
  • Standard: USB 3.0
  • Data Transfer Rate: Up to 5.0 Gbps
  • Model #: E-PCIE22A2C-2
  • $23.49
  •  
  • $22.99 
  • Free Shipping
SYBA 4-Port USB 3.0 PCI-Express Card, x1, Revision 1.0; Renesas Chipset with Full & Low Profile Brackets Model SD-PEX20159
Quick View
SYBA 4-Port USB 3.0 PCI-Express Card, x1, Revision 1.0; Renesas Chipset with Full & Low Profile Brackets Model SD-PEX20159
  • Operating Systems Supported: Windows 7 Vista XP Server 2008
  • Weight: 0.1
  • Package Contents: 1 x USB3.0 PCIe Host Controller Card 1 x Driver CD 1 x User Manual 1 x Low Profile Bracket
  • Model #: SD-PEX20159
ESTONE PCI Express Expansion Card, 10Gbps USB 3.2 Gen 2 8-Port Front Expansion Card, Connect 8 Devices Expanded - (4X USB C - 4X USB A)
Quick View
ESTONE PCI Express Expansion Card, 10Gbps USB 3.2 Gen 2 8-Port Front Expansion Card, Connect 8 Devices Expanded - (4X USB C - 4X USB A)

Limited time offer, ends 02/13

  • Type: PCI to USB Card
  • External USB Ports: 8x USB Ports
  • Standard: USB 3.2
  • Data Transfer Rate: Up to 10 Gbps
  • Model #: E-PCIE24A4C3.2-2
  • $63.49
  •  
  • $62.99 
  • Free Shipping
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
Quick View
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
  • Type: PCI to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64) Windows Server 2008 R2/ 2003(32/64)/ 2000 Linux 2.4.x/ 2.6.x
  • Specifications: Bus Type: PCI / PCI-X (5 / 3.3V) Card Type: Standard Profile (LP bracket incl.) Chipset ID: SystemBase -SB16C1052PCI Connector Type(s): PCI / PCI-X (Universal 3.3 & 5V 32-bit) Male Data Bits: 5, 6, 7, 8 External Ports: DB-9 (9 pin ; D-Sub) Male FIFO: 256 Bytes Flow Control: Xon, Xoff, RTS#, CTS# Humidity: 5~85% RH Included in Package: 2 port PCI RS422/485 card Driver CD Low profile (half-height) brackets User Manual Industry Standards: PCI Local Bus Specification 2.3 PCI Power Management 1.1 Interface: Serial Max Baud Rate: 128 Kbps Operating Temperature: -10°C to 80°C (14°F to 176°F) OS Compatibility: Windows® 8 / 8.1 (32/64b...
  • Model #: PCI2S4851050
20Gbps PCIe USB C Card - RIITOP USB 3.2 Gen 2x2 (20Gbps) USB-C SuperSpeed PCI Express 3.0 x4 Host Controller Card - USB Type-C PCIe Add-On Adapter Card - Expansion Card, For Windows & Linux
Quick View
  •  
  • $37.99 
  • Free Shipping
Direct from RIITOP Direct from RIITOP
  • $35.50 - $37.99
Sale Desktop PCI-Express PCI-e to PCI Adapter Card PCIe to Dual Pci Slot Expansi Card USB 3.0 Add  Cards Cvertor
Quick View
  •  
  • $56.78 
  • Free Shipping
PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps,External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP
Quick View
PCI-E to 8 Port USB 3.0 (2xUSB-C, 6x USB-A ) Expansion Card 5Gbps,External PCI Express USB3.0 Adapter Card For Desktop PC PCI-e 1x, Support Windows 10/8/7/XP

Limited time offer, ends 01/25

  • Type: Controller Card
  • External USB Ports: 8x USB Ports
  • Internal USB Ports: 6x USB-A Ports, 2x USB-C Ports
  • External Ports: 6x USB-A Ports, 2x USB-C Ports
  • Model #: PCET2C+6U3
  •  
  • $37.99 
  • Free Shipping
  • $35.50 - $37.99
HP Radeon HD 7450 Graphic Card - PCI Express x16
Quick View
HP
HP Radeon HD 7450 Graphic Card - PCI Express x16
  • Brand: HP
  • Interface: PCI Express x16
  • Chipset Manufacturer: AMD
  • GPU: HD 7450
  • Model #: QZ216AV
  •  
  • $58.00 
  • Free Shipping
Linkreal PCIe x4 to 2 Port SFF-8643 Slot Adapter Card
Quick View
Linkreal PCIe x4 to 2 Port SFF-8643 Slot Adapter Card
  • Type: Controller Card
  • Model #: LRFC6921N
  •  
  • $33.00 
  • $20.00 Shipping
Direct from Shenzhen Lianrui Information Technology Direct from Shenzhen Lianrui Information Technology
Linkreal 2X U.2 SFF-8639 SSD to PCIE Express 3.0 Gen 3 X8 Card U.2 NVMe SSD Adapter
Quick View
  •  
  • $60.00 
  • $20.00 Shipping
Direct from Shenzhen Lianrui Information Technology Direct from Shenzhen Lianrui Information Technology
PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)
Quick View
#1 Best Seller
in Add-On Cards
PCIe USB 3.0 Card 7 Port, RIITOP PCI-e Express x1 to 7 Port USB3.0 Expansion Controller Card Adapter, NEC Chipset, No Need Power Supply (NOT Compatible 2U Case)

Limited time offer, ends 01/25

  • Type: Controller Card
  • External USB Ports: 7x USB Ports
  • Internal USB Ports: 7x USB Ports
  • External Ports: 7x USB Ports
  • Model #: PCET7U3-NEC
  •  
  • $27.99 
  • Free Shipping
StarTech.com PCI Express to PCI Adapter Card Model PEX1PCI1
Quick View
StarTech.com PCI Express to PCI Adapter Card Model PEX1PCI1
  • Type: PCI Express to PCI Card
  • Operating Systems Supported: WIN 2000/XP/Vista
  • Weight: 0.26
  • Parts: 2 Year
  • Model #: PEX1PCI1
  • $59.99
  •  
  • $49.99 
  • Save: $10.00 (16%)
  • Free Shipping
CoolGear 2-port eSATA PCMCIA CardBus-32 Laptop Adapter
Quick View
CoolGear 2-port eSATA PCMCIA CardBus-32 Laptop Adapter
  • External USB Ports: 2x USB Ports
  • Model #: CGS-2ER
  •  
  • $6.99 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear