Add-On Cards - Showing 1 - 36 of 780 Products

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External USB Ports

External 1394 Ports

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Rosewill RC-505 - 2-Port USB 3.0 PCI Express Card
  • Up to 5.0 Gbps Data Tran...
  • PCI Express to USB Card
  • USB 3.0
from $15.99
Choose From 2 Sellers
SYBA 2 DB-9 Serial (RS-232, COM) Ports PCI Controller Card, Netmos 9865 Chipset Model SY-PCI15004
  • PCI to Serial Port Card
  • Model SY-PCI15004
  • Easy Plug & Play Install...
from $12.99
Choose From 2 Sellers
SUNIX USB3.0 4-port PCI Express Host Controller with SATA Power Connector Model USB4300NS
  • PCI Express to USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
from $18.99
Choose From 2 Sellers
ASRock Add-On Card Model Thunderbolt 2 AIC
  • - Supports 20Gbps bi-dir...
$73.99
$69.99
SIIG 2-Port RS232 Serial PCIe with 16950 UART Model JJ-E02111-S1
  • PCI Express to Serial Po...
  • Up to 230Kb/s Data Trans...
from $28.99
Choose From 3 Sellers
SYBA 2-port of 1394b + 1-port of 1394a Firewire Ports PCI-Express Controller Card (SY-PEX30016)
  • PCI Express to 1394 Card...
  • 1394A/1394B
  • 800/400/200/100 Mbps Dat...
from $20.99
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SYBA USB 3.0 PCI-e x1 2.0 Card with 2 External ports and internal 19 Pin USB 3.0 Header Model SD-PEX20139
  • PCI Express to USB Card
  • USB 3.0
  • Based on Renesas USB 3.0...
from $15.99
Choose From 4 Sellers
VANTEC 4-Port SuperSpeed USB 3.0 PCIe Host Card w/ Internal 20-Pin Connector Model UGT-PC345
  • PCI Express to USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
from $19.99
Choose From 5 Sellers
StarTech PEXUSB3S44V 4 Port Quad Bus PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA/LP4 Power
  • Provides four external, ...
  • Supports up to 20 Gbps t...
  • UASP support across all ...
from $80.99
Choose From 9 Sellers
Rosewill RC-302 - Low-Profile PCI Card - Single Parallel (SPP / PS2 / EPP / ECP) Universal
  • PCI to 25-Pin Parallel P...
  • 1.5 MBps
  • Supports IRQ Sharing
from $9.69
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SYBA USB 3.0 External 2-port, 19-pin Header PCI-e Card,IDE Power Feed, Low Profile Bracket Bundled Model SY-PEX20140
  • PCI Express to USB Card
  • USB 3.0
  • Fully Compliant with PCI...
from $15.99
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SYBA 2 Serial 1 Parallel PCI-e Controller Card with Low Profile Brackets Model SI-PEX50054
  • PCI Express to Parallel ...
from $15.99
Choose From 2 Sellers
SYBA PCI-Express 1-Port Parallel/Printer Card with Low Profile Bracket - RoHS Model SD-PEX10005
  • PCI Express to Parallel ...
  • 1 x Parallel Port
  • Fast data rate up to 1.5...
from $15.99
Choose From 6 Sellers
Rosewill RC-301EU - 2-Port PCIe Serial Card
  • PCI Express to Serial Po...
  • 2 x Serial Ports
  • Serial Data Up to 230,40...
from $19.68
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Rosewill RC-302E - PCIe 1-Port Parallel Card
  • 1-Year Warranty
  • PCI Express to Parallel ...
  • Up to 2.5 Mbps
from $16.25
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SUNIX 2-Port USB 3.0 PCI-E Card Model USB2302+L
  • PCI Express to USB Card
  • Data Transfer rate of ...
$24.99
$17.99
StarTech.com 1 Port PCI Express Dual Profile Parallel Adapter Card - SPP/EPP/ECP - 2x DB25 IEEE 1284 PCIe Parallel Card PEX1P
  • PCI Express to Parallel ...
  • Up to 1.5 Mbps Data Tran...
from $23.88
Choose From 8 Sellers
StarTech 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA / SP4 Power Model PCIUSB3S4
  • PCI to USB Card
  • 1.3 Gbps (PCI Bus) Data ...
from $59.99
Choose From 6 Sellers
Rosewill RC-103 - 4 + 1 USB 2.0 PCI Adapter (Four External + One Internal Ports)
  • PCI to USB Card
  • 4 x External & 1 x Inter...
  • 480 / 12 / 1.5 Mbps
from $9.99
Choose From 2 Sellers
SIIG 3 Ports FireWire 800 PCIe Card Model NN-FW0012-S1
  • PCI Express to 1394 Card...
  • 1394B
  • 800/400/200/100 Mbps Dat...
from $40.99
Choose From 6 Sellers
SYBA PCI to Parallel Port Controller Card Model SD-PCI-1P
  • PCI to Parallel Port Car...
  • Fast data rates up to 1....
from $11.99
Choose From 2 Sellers
SYBA 2 Serial Ports PCI-e Controller Card with Low Profile Bracket Model SI-PEX15037
  • PCI Express to Serial Po...
from $14.29
Choose From 7 Sellers
SYBA 2 Serial (RS-232, DB9) Ports PCI Controller Card, Full & Low Profile Brackets, WCH351 Chipset Model SD-PCI15039
from $15.98
Choose From 8 Sellers
SYBA M.2 (NGFF) & mSATA SSD to SATA III with Standard & Low Profile Brackets Model SI-ADA50067
  • 6.0 Gbps Data Transfer R...
from $19.99
Choose From 2 Sellers
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
  • PCI Express to Serial Po...
from $15.99
Choose From 2 Sellers
SYBA USB 3.0 3+1 Port PCI-e Card, Free Low Profile Bracket, Renesas Chipset Model SD-PEX20137
  • PCI Express to USB Card
  • USB 3.0
  • Based on Renesas USB 3.0...
from $17.99
Choose From 5 Sellers
VANTEC 4-Port FireWire 400 PCI Host Card Model UGT-FW050
  • PCI to 1394 Card
  • 1394A
  • 400/200/100 Mbps Data Tr...
$19.99
$11.99
VANTEC 3-Port FireWire 400 PCIe Host Card Model UGT-FW200
  • PCI Express to 1394 Card...
  • 1394A
  • 400/200/100 Mbps Data Tr...
from $17.99
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StarTech 2 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART
  • PCI Express to Serial Po...
  • Data Transfer Rate Up to...
  • External Ports 2 x Seri...
from $35.19
Choose From 7 Sellers
StarTech 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - LP4 Power Model PEXUSB3S25
  • USB 3.0
  • 5 Gbps Data Transfer Rat...
from $32.19
Choose From 8 Sellers
SIIG 3-port 1394 (FireWire) PCI adapter Model NN-400012-S8
  • PCI to 1394 Card
  • 1394A
  • 400/200/100 Mbps Data Tr...
from $23.03
Choose From 7 Sellers
SYBA Combo USB 3.0 + SATA III 6Gbps, v2.0 PCI Express, x4 Slot Controller Card Model SD-PEX50055
  • PCI Express to USB / SAT...
  • PCI-E 2.0, USB 3.0, SATA...
  • 6.0 Gbps Data Transfer R...
from $29.09
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StarTech 2 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA Power Model PCIUSB3S22
  • PCI to USB Card
  • USB 3.0
  • 1.3 Gbps (PCI Bus)
from $48.99
Choose From 5 Sellers
StarTech 4-port PCI Express USB 3.0 card - 2 external, 2 internal - SATA power Model PEXUSB3S2EI
  • PCI to 1394 / USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
from $33.99
Choose From 9 Sellers