Add-On Cards - Showing 1 - 36 of 839 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 6 Sellers
SYBA SY-PEX15019 RS-232 Serial 8-Port PCI-Express Card - Retail
  • PCI Express to Serial Po...
  • Serial Port: Up to 1 Mbp...
$66.99
$65.99
ORICO Monster USB 3.0 PCI - Express Card with 5 Rear USB 3.0 Ports and 1x Internal USB 3.0 20-PIN Connector Controller Adapter Card (PVU3-502I)
  • PCI Express to USB adapt...
  • 5 x rear SuperSpeed USB ...
  • 1 x internal USB 3.0 19-...
$34.99
$19.99
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...
$26.99
$15.99
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 $24.99
Choose From 5 Sellers
ASRock Add-On Card Model Thunderbolt 2 AIC
  • - Supports 20Gbps bi-dir...
$73.99
$69.99
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 $10.00
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 $17.99
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 $19.98
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 6 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 11 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 8 Sellers
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
Silverstone Expansion Card Model SST-ECM20
  • 6Gbps Data Transfer Rate...
$19.99
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 9 Sellers
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 4 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 Low Profile PCI-Express 1394B/A Firewire Card Model SD-PEX30009
  • PCI Express to 1394 Card...
  • 1394A/1394B
  • 800/400/200/100 Mbps Dat...
from $27.99
Choose From 3 Sellers
AKiTiO Thunderbolt 2 PCIe Expansion Box #T2PC-TIA-AKTU
$241.53
Sold by: IPC Store
StarTech DB-25 to IDC Header Slot Plate Model PLATE25F16
  • Parallel Header Adapter
from $3.99
Choose From 8 Sellers
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
Choose From 2 Sellers
Rosewill RC-302E - PCIe 1-Port Parallel Card
  • 1-Year Warranty
  • PCI Express to Parallel ...
  • Up to 2.5 Mbps
from $18.99
Choose From 2 Sellers
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 7-port PCI Express USB 3.0 card - standard and low-profile design Model PEXUSB3S7
  • PCI Express to USB Card
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
from $59.99
Choose From 8 Sellers
SYBA USB 3.1 10Gbps Type-A and Type-C PCI-E x4 Host Card Model SI-PEX20189
  • PCI Express to USB Card
  • 10Gbps Data Transfer Rat...
$29.99
$24.99
StarTech 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Model PEXUSB3S24
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
from $26.98
Choose From 7 Sellers
StarTech PCI to PCI Express Adapter Card Model PCI1PEX1
  • PCI to PCI Express
from $39.99
Choose From 9 Sellers
StarTech 1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART Model PEX1S1P952
  • PEX1S1P952
  • PCI Express to Parallel/...
  • FIFO: 128-Byte
from $38.04
Choose From 8 Sellers
MASSCOOL 4 Ports USB3.0 PCI Express Card Model PCE-U304
from $19.99
Choose From 2 Sellers
VANTEC 3-Port USB 3.0 Type A/C PCIe Host Card Model UGT-PC331AC
  • PCI Express to USB Card
$26.99
$19.99
StarTech PCI Express to PCI Adapter Card Model PEX1PCI1
  • PCI Express to PCI Card
from $36.99
Choose From 10 Sellers
SYBA USB 3.0 19pin Header Card with Dual Type-A Femal Ports Cable, Mini PCI-Express Form Factor Model SD-MPE20142
  • Mini PCI Express to USB ...
  • USB 3.0
  • Up to 5.0 Gbps Data Tran...
$21.99
$20.99
StarTech PEXUSB311A1C 2-Port USB 3.1 (10Gbps) Card - 1x USB-C, 1x USB-A - PCIe
  • Adds one USB-C and one U...
  • Fast file transfers with...
  • Two types of USB 3.1 por...
from $48.64
Choose From 2 Sellers
SUNIX USB3.1 Enhanced SuperSpeed Dual ports PCI Express Host Card with Type-A Receptacle Model USB2312
  • PCI Express to USB Card
  • USB Standard: eXtensible...
  • Super Speed+ (10Gpbs), S...
$39.99
$20.99