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"new desktop computers"
AJMRTC 9Pin COM Serial Port Expansion Board 910325001 902762001, Replacement Serial IO Addon Card for HP EliteDesk 600 G3 800 G3 Desktop, 100% Tested Industrial COM Port Module with Fast Shipping
Limited time offer, ends 11/25
$25.49
Free Shipping
PCI-E x1 to 2 Ports USB-C Adapter Card USB3.2 gen1 Expansion Card 5Gbps MCA663 for PC Desktop
Limited time offer, ends 11/15
$25.24
Free Shipping
PCIe to Single Serial Port DB9 RS232 PCI-E x1 Serial Card Expansion Adapter Converter Chipset ASIX AX99100 for Desktop Computer
Limited time offer, ends 11/15
$11.95
Free Shipping