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PCIe to 2-Port RS232 Serial Card  9-Pin COM Port Expansion Adapter, WCH382L Chipset, Parallel Port Converter, PCI-E to DB9 Serial Interface Card for Desktop PC
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  • $28.79 
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  • $27.19 - $28.79
Coolgear 2 Port USB to Serial RS-232 DB-9 Adapter Industrial Metal Housing
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  • $130.99 
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5 Pack Serial Port 9 Pin Null Modem Adapter DB9 FemaleFemale RS232
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  • $24.88 
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USB to Serial RS232 Cable Adapter 4 Ports DB9 Converter 9-Pin Male to Male with Hexnuts 10/8.1/8/7/XP/
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  • $80.01 
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  • $78.41 - $80.01
8x DB9 9-Pin RS232 Serial Port Male to RJ45 8P8C Network Modular Adapter Ivory
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  • $53.99 
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10 Pack DB9 Mini Gender Changer, 9 Pin RS-232 DB9 Female to Female Serial Cable Coupler Adapter
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  • $13.56 
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MINI PCI-E-RS232 serial card 9-pin COM 2 port expansion card chip XR17V352 EXAR 352 Industrial Serial RS232 chip mini pcie db9
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  • $63.59 
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  • $61.99 - $63.59
PCIe to 4-Port RS232 Serial Card  PCI-E to 4 x DB9 COM Port Expansion Adapter, AX99100 Chipset, Industrial 4-Port Serial Controller
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  • $38.79 
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  • $37.19 - $38.79
PCIe x1 to 8-Port RS232 Serial Card  PCI-E Expansion Adapter, 8 x DB9 COM Ports, WCH384 Chipset, Industrial-Grade for Desktop / Embedded / Server
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  • $88.79 
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  • $87.19 - $88.79
10 Pack White DB9 Male RS232 Breakout Board with Housing, Solder-Free D-SUB 9Pin Serial Port to Terminal Block Wiring Adapter Module
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  • $47.48 
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  • $45.88 - $47.48
3.6M USB to DB9 Female RS232 Serial Converter Cable with FTDI FT232RL Chip, Null Modem Crossover Cable, Cross Wiring 2RXD 3TXD
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  • $73.18 
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  • $71.58 - $73.18
PCIe to 2x DB9 RS232 COM Serial Port+ 1x DB25 Parallel Port Printer LPT Adapter Card Chipset ASIX/AX99100 for Desktop Computer
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  • $17.98 
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4-Port PCIe RS232 Serial Expansion Card, Four DB9 COM Port Adapter for Industrial PC
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  • $57.89 
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StarTech.com AT925MF DB9 to DB25 Serial Adapter
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StarTech.com AT925MF DB9 to DB25 Serial Adapter
  • Color: Beige
  • Changer Type: DB9 to DB25
  • Connector A: 1 x DB-9 (9 pin, D-Sub) Male
  • Connector B: 1 x DB-25 (25 pin, D-Sub) Female
  • Model #: AT925MF
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  • $17.99 
PCI to 8 port DB9 RS232 Serial card 8 Ports PCI RS232 COM DB9 Multi Serial Controller Card SB16C1058 Chipset rs-232 to pci
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  • $73.09 
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  • $71.49 - $73.09
PCI-E to 8 Port RS232 Serial Adapter Serial DB9 Controller Systembase SB16C1058PCI asm1083 Chip 8s 8 ports RS-232 com to pcie
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  • $163.48 
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  • $161.88 - $163.48
M.2 B+M To DB9 2 Com Ports AX99100 Chip 2S DB 9pin RS232 Serial Port Industrial COM1 Serial Port M2 B M KEY Expansion Card
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  • $88.65 
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  • $87.05 - $88.65