Add-on Cards

Explore Coolgear’s extensive range of add-on cards, designed to expand the functionality of your computer systems with versatile connectivity options. Ideal for upgrading desktop PCs and servers, these add-on cards offer solutions such as USB expansion, serial communication, networking, and more. Coolgear’s add-on cards are available in various configurations to suit different needs, from USB hubs and Ethernet adapters to serial communication cards supporting RS232, RS422, and RS485 standards. With easy installation and reliable performance, Coolgear ensures seamless integration and enhanced capabilities for your computing environments. Choose Coolgear for high-quality add-on cards that expand connectivity and functionality in your systems.

CG-PCIePCIX4 PCI Slot Expansion BoxCG-PCIePCIX4-PCI connection point for the DVI like 3ft cable

PCIe to 4x PCI slot Expansion Box

4X PCI Expansion Enclosure Box The PCI 4 slot expansion box makes it possible to expand your systems PCI slot availability by adding 4 additional…

Model# CG-PCIePCIX4

$296.95

In stock
2 Port PCIe RS422/485 Breakout Cable – Optical ISO2 Port PCIe RS422/485 Breakout Cable – Optical ISO & Surge Suppression

2 Port PCIe RS422/485 Breakout Cable – Optical ISO & Surge Suppression

PCI Express Card - Port Protection The SG-PCIE2S422485OCTIS RS422/485 to PCI Express 2 Port Express card provides a high end scalable serial port expansion that accommodates a high-speed…

Model# SG-PCIE2S422485OCTIS

$164.95

Not in stock - Backorder allowed
PCIe to PCIx2 and PCIex2 Slot Expansion BoxPCIe to PCIx2 and PCIex2 Slot Expansion Box

PCIe to PCIx2 and PCIex2 Slot Expansion Box

Expansion box for PCI Express The simplest way to expand your systems PCIe/PCI functionality is built right into this Expansion Enclosure (box). Easy to install,…

Model# CGS-PCI2PCIe2

$307.95

Not in stock - Backorder allowed
PCI 4 slot expansion boardPCIe card for low profile applications

PCIe to PCIx4 Expansion Board Component Kit

PCIe to PCI expansion The PCI expansion board component kit gives you the option of expanding your I/O bus to an additional 4 PCI slots…

Model# CG-1PCIEXP4

$186.95

Not in stock - Backorder allowed
PCIe RS232 Add on Card and CablePCIe Add on Card

PCI Express 8-Port RS232 Serial Board with Oxford Chip

PCIe to RS232 Add on Card with Octopus cable The PCI Express Add on Card supports RS232 serial connections through an octopus cable enabling 8…

Model# PCIe-8RS2

$196.95

In stock
PCI Express Card - SG-PCIE1S422485IS
Out of stock

1 Port PCI Express RS422/485 w/ Optical Isolation & Surge Suppression

PCI Express Card 1 Port RS422/RS485 PCI Express Card provides electrical protection for your serial devices. It maintains a scalable, high-speed serial I/O bus interface.…

Model# SG-PCIE1S422485IS

$126.95

EOL - Discontinued
PCI to PCIe host card cablePCI to PCIe host card cable connection

PCI 32-bit to PCIe Host adapter over Cable

32-Bit PCI to PCIe Adapter This PCI to PCIe host adapter connects from your computer system to an external expansion box source for PCI/PCIe system…

Model# CG-PCICEB-DVIC

$76.95

Not in stock - Backorder allowed
Mini PCIe 2 Port RS422/RS485 CardMini PCIe card for serial applications
Out of stock

Mini PCIe 2-Port Card RS422-485 DB9 Male Connectors

Mini PCIe Serial Card Jumper configurable Mini PCIe card for RS422 and RS485 serial applications. High speed PCI Express Bus based and Plug-and-play compliant supports…

Model# CG-2PRT4MPC

$76.95

EOL - Discontinued
CG-PCIe31-AC USB 3.1 PCIe CardUSB 3.1 PCIe X2 Host Controller Card
Out of stock

USB 3.1 PCIe X2 Host Controller Card

USB 3.1 PCIe Card Processing 10Gbps SuperSpeed + data transmissions has become easier for Desktop, Workstation, and Servers with USB 3.1 PCIe Host Controller Cards.…

Model# CG-PCIe31-AC

$38.95

Out of Stock
2 Port PCI Express RS422/485 w/ Optical Isolation & Surge Suppression2 Port PCI Express RS422/485 w/ Optical Isolation & Surge Suppression
Out of stock

2 Port PCI Express RS422/485 w/ Optical Isolation & Surge Suppression

PCI Express Card - with Device Protection The SG-PCIE2S422485IS 2 Port RS422 RS485 PCI Express card is designed for easy installation for PC, Work Stations, Thin…

Model# SG-PCIE2S422485IS

$153.95

EOL - Discontinued
4 Port SATA3 RAID PCIe Card w/ HyperDuo Modes

4 Port SATA3 RAID PCIe Card w/ HyperDuo Modes

RAID PCI Card - SATA RAID Applications The 4 Port SATA3 RAID PCIe Cards High transfer rate is supported up to 1,000MB/S (2 lanes) for…

Model# CG-PCIeS3-i4p

$87.95

In stock
4 Channel USB 3.2 Gen 1 PCIe(x4) Card4 Channel USB 3.2 Gen 1 PCIe(x4) Card
Out of stock

4 Channel USB 3.2 Gen 1 PCIe(x4) Card

Compliant with USB3.2 Gen 1 and Intel xHCI Specifications Supports the Following Speed Data Rate: Low-Speed (1.5Mbps)/Full-Speed (12Mbps), High-Speed (480Mbps), Super-Speed (5Gbps) Supports all USB…

Model# CG-4A32G1PCIe-x4

$109.95

EOL - Discontinued
4 Port PCI Express RS422/485 w/ Breakout Cable44 Pin Breakout Cable Female Connector
Out of stock

4 Port PCI Express RS422/485 w/ Breakout Cable

PCI Express Card - 4 Port Serial The SG-PCIE4S422485OCT 4 Port PCI Express RS422 RS485 Card adds four new serial ports to your Work Station,…

Model# SG-PCIE4S422485OCT

$197.95

EOL - Discontinued
USB 3 PCIe Card PortsUSB 3.0 PCIe host controller package
Out of stock

2-Port USB 3 PCIe Host Controller Card for PC

Dual Port USB 3.0 PCIe Card If you need to add additional USB 3.0 ports to you PC, this PCIe host controller card allows you…

Model# PCICRDU3E

$24.95

EOL - Discontinued
2-Port SATA III Mini PCIe RAID CardSATA 3 mini RAID PCIe card
Out of stock

SATA 3 RAID Mini PCIe Card 2 Port- HyperDuo Mode Support

2-Port SATA III Mini PCIe RAID Card Add new SATA3 SSD and hard drives for your system with the mini RAID PCIe card, designed to…

Model# CG-S3MRC

$65.95

EOL - Discontinued
cg-8PCIei-SI 8port PCIe Card with Octopus Cablecg-8PCIei-SI PCIe card circuit
Out of stock

PCI Express to 8-Port RS422/485 Serial Optical Iso / Surge Protection

Windows 10 Optically Isolated PCIe to RS422/485 Card This PCIe Add on Card extends your systems RS422 or RS485 serial device connections by 8! Using…

Model# CG-8PCIei-SI

$329.95

Out of Stock
8port PCI Express DB44 Cable Cardcg-8PCIe-I PCI Express Card Circuit
Out of stock

PCI Express to 8-Port RS422/485 Serial Board w/EXAR Chip

Windows 10 compatible PCIe to RS422/485 Card This PCIe Add on Card extends your systems RS422 or RS485 serial device connections by 8! Using this…

Model# CG-8PCIe-I

$219.95

EOL - Discontinued
Single Port RS-422 / 485 PCMCIA PC CardSingle Port RS-422 / 485 PCMCIA PC Card PCMCIA RS-422
Out of stock

Single Port RS-422 / 485 PCMCIA PC Card

RS485 Serial Adapter The CG-RS1S PCMCIA card is designed to provide an additional Single Port RS-422 or RS-485 serial connection for your PC, workstation, thin client, or…

Model# CG-RS1S

$109.95

EOL - Discontinued
PCI Express Card – PCI to RS4851 Port PCI Express RS422/485
Out of stock

1 Port PCI Express RS422/485

PCI Express Card - PCI to RS485 Low profile form factor PCI Express RS422/RS485 card defining High Performance 250Mbytes/sec to 4GBytes/sec point-to-point Serial Bus. Supports…

Model# SG-PCIE1S422485

$82.95

Out of Stock
2 Port PCI Express RS422/4852 Port PCI Express RS422/485
Out of stock

2 Port PCI Express RS422/485

PCI Express Card - 2 Port RS422 - RS485 The 2 Port PCI RS422 /485 Express card is designed for PC, workstation, thin client, or…

Model# SG-PCIE2S422485

$87.95

Out of Stock
4 Port PCIe RS422/485 Breakout Cable – Optical ISO & Surge Suppression44 Pin Female Connector for Serial Breakout Cable
Out of stock

4 Port PCIe RS422/485 Breakout Cable – Optical ISO & Surge Suppression

PCI Express Card - RS422 Serial Applications The SG-PCIE4S422485OCTIS 4 Port RS422 Rs485 PCI Express designed to keep your serial applications electrically safe from damage.…

Model# SG-PCIE4S422485OCTIS

$329.95

EOL - Discontinued
8 Port PCI Express RS232/422/485 Module w/ Optical IsolationTwo wire terminal block connector

8 Port PCI Express RS232/422/485 Module w/ Optical Isolation

PCI Express Adapter The SG-PCIE8SRS422485MODIS Isolated 8 Port PCI Express Module provides instant RS232, RS422, and RS485 serial port expansion via the PCI Express bus to…

Model# SG-PCIE8SRS422485MODIS

$659.95

In stock
8 Port PCI Express RS232/422/485 Modulesg-pcie8srs422485mod DVI like port
Out of stock

8-Port PCI Express RS-232 / RS-422 / RS-485 Module

PCI RS232 - RS485 - RS422 Terminal Block The SG-PCIE8SRS422485MOD 8-port RS232 /422 /485 to PCI Express Module Box provides a highly scalable serial interface that…

Model# SG-PCIE8SRS422485MOD

$412.95

Out of Stock
PCI Express Card 2 Port Surge Protection2 Port PCI RS422/485 with Surge Suppression & Isolation PCI Surge Suppression

2 Port PCI RS422/485 with Surge Suppression & Isolation

PCI Express Card - 2 Port Surge Protection The SG-PCI2S422485OCTIS 2 Port PCI RS422 RS485 card with Breakout Cable supports low profile form factor and is designed to work with…

Model# SG-PCI2S422485OCTIS

$98.95

In stock