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Express Systems will have an EARLY CLOSING Thursday, June 18th, 2026 and will be CLOSED June 19th, 2026 in observance of Juneteenth. We will resume regular business hours Monday, June 22nd, 2026 at 9:00am EST.
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Perle Multiport Serial Boards
Add RS232, RS422, RS485 serial ports to your PC or server
Perle PCI Express (PCIe) Serial Boards
Speed LE PCIe and UltraPort PCIe serial boards; 1-4 port models available.
More Info ›
Perle Universal PCI (UPCI) Serial Boards
Speed LE UPCI serial & parallel boards, UltraPort UPCI serial boards, and RIO PCI expandable UPCI serial boards; 1-32 port models are available.
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Perle PCI Serial Boards
I/O8+ PCI serial board with 8 ports.
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