Shop USB to Serial Adapter Card

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$20.99
$30.99
Startech.Com 17in (43Cm) 1-Port USB To Serial Adapter Cable, USB-A To DB9 RS232 Adapter, Prolific Chipset - M/M
Amazon.com
32% off
$20.99
$30.99
Startech.Com 17in (43Cm) 1-Port USB To Serial Adapter Cable, USB-A To DB9 RS232 Adapter, Prolific Chipset - M/M
Amazon.com
$175.00
$199.99
Startech.Com 8 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub, TAA (ICUSB2328I)
Amazon.com
202
Free shipping
12% off
$175.00
$199.99
Startech.Com 8 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub, TAA (ICUSB2328I)
Amazon.com
$34.95
USB To Serial Adapter
GreatGages
$34.95
USB To Serial Adapter
GreatGages
$20.15
Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
Amazon.com
$20.15
Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
Amazon.com
$26.99
DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
Amazon.com
355
$26.99
DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
Amazon.com
$11.99
SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
Amazon.com
1K+
$11.99
SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
Amazon.com
$14.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 3 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With
Amazon.com
$14.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 3 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With
Amazon.com
$39.99
Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
Amazon.com
216
Free shipping
$39.99
Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
Amazon.com
$16.98
DTECH 10 Feet USB To Serial Female Adapter Cable DB9 RS232 To USB 2.0 Cord With Prolific PL2303 Chip Windows 11 10 8 7 Mac Linux (9 Pin 2 Row DB-9 F
Amazon.com
568
$16.98
DTECH 10 Feet USB To Serial Female Adapter Cable DB9 RS232 To USB 2.0 Cord With Prolific PL2303 Chip Windows 11 10 8 7 Mac Linux (9 Pin 2 Row DB-9 F
Amazon.com
$33.60
$46.99
Startech 6.6ft/2m USB To Serial Adapter Cable, COM Retention, FTDI, USB-A To DB9 RS232, Interchangeable DB9 Screws/Nuts
Amazon.com
11
28% off
$33.60
$46.99
Startech 6.6ft/2m USB To Serial Adapter Cable, COM Retention, FTDI, USB-A To DB9 RS232, Interchangeable DB9 Screws/Nuts
Amazon.com
$23.88
Gearmo USB To Serial RS-232 Adapter With LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above
Amazon.com
892
$23.88
Gearmo USB To Serial RS-232 Adapter With LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above
Amazon.com
$61.17
$78.99
Startech.Com 6ft (1.8M) 1-Port Professional RS422/485 USB Serial Cable Adapter With COM Retention, USB To RS422 Adapter - TAA
Amazon.com
42
Free shipping
22% off
$61.17
$78.99
Startech.Com 6ft (1.8M) 1-Port Professional RS422/485 USB Serial Cable Adapter With COM Retention, USB To RS422 Adapter - TAA
Amazon.com
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
93
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
$20.59
$36.99
Startech.Com 1 ft. USB To RS232 Serial DB9 Adapter Cable With COM Port Retention - Up To 920 Kpbs USB A To DB9 Serial Adapter , TAA (ICUSB232PRO)
Amazon.com
44% off
$20.59
$36.99
Startech.Com 1 ft. USB To RS232 Serial DB9 Adapter Cable With COM Port Retention - Up To 920 Kpbs USB A To DB9 Serial Adapter , TAA (ICUSB232PRO)
Amazon.com
$21.29
Usbgear 12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 11, 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA,
Amazon.com
$21.29
Usbgear 12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 11, 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA,
Amazon.com
$14.88
$15.96
DTECH USB To Serial Adapter Cable RS232 DB9 Male Port With FTDI FT232RL Chipset Supports Windows 11 10 8 7 And Mac Linux (1.5 Feet)
Amazon.com
$14.88
$15.96
DTECH USB To Serial Adapter Cable RS232 DB9 Male Port With FTDI FT232RL Chipset Supports Windows 11 10 8 7 And Mac Linux (1.5 Feet)
Amazon.com
$12.99
OIKWAN USB To RS232, USB Serial Adapter With FTDI Chipset,USB 2.0 To Male DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux And Mac OS(
Amazon.com
High-quality Material · USB · USB-A · Value for Money
$12.99
OIKWAN USB To RS232, USB Serial Adapter With FTDI Chipset,USB 2.0 To Male DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux And Mac OS(
Amazon.com
$39.00
Cardiac Science Usb To Serial Adapter Cable | 9171-001
AED Superstore
$39.00
Cardiac Science Usb To Serial Adapter Cable | 9171-001
AED Superstore
$7.59
EC Buying USB 2.0 To Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 To USB Converter
Amazon.com
26
$7.59
EC Buying USB 2.0 To Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 To USB Converter
Amazon.com
$19.99
$29.99
USB Cable To Serial Port Converter (DB9) USB-DB9 POS Cables
Terminal Depot
33% off
$19.99
$29.99
USB Cable To Serial Port Converter (DB9) USB-DB9 POS Cables
Terminal Depot
$16.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 10 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built
Amazon.com
621
$16.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 10 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built
Amazon.com
$12.99
OIKWAN USB To RS232 Serial Adapter With FTDI Chipset - USB 2.0 To Female DB9 Serial Cable For Windows And Mac (6Ft)
Amazon.com
166
$12.99
OIKWAN USB To RS232 Serial Adapter With FTDI Chipset - USB 2.0 To Female DB9 Serial Cable For Windows And Mac (6Ft)
Amazon.com
$32.93
$34.99
Legrand - C2G USB To DB25 Serial Adapter Cable, Adapter Cable, USB To Desktop Adapter, 6 Foot Adapter Cord, Gray, 1 Count, C2G 22429
Amazon.com
Free shipping
$32.93
$34.99
Legrand - C2G USB To DB25 Serial Adapter Cable, Adapter Cable, USB To Desktop Adapter, 6 Foot Adapter Cord, Gray, 1 Count, C2G 22429
Amazon.com
$24.95
Plugable USB To Serial RS-232 Adapter (5Ft) With COM Retention - Compatible With Windows, Mac, Linux (DB9 DTE Male Connector, Prolific PL2303GT
Amazon.com
2K+
$24.95
Plugable USB To Serial RS-232 Adapter (5Ft) With COM Retention - Compatible With Windows, Mac, Linux (DB9 DTE Male Connector, Prolific PL2303GT
Amazon.com
$12.69
EC Buying FT232 USB To UART Serial Adapter Board Micro USB FT232RL USB To TTL Serial Port Board Module Communication Module Board Support For Windows
Amazon.com
$12.69
EC Buying FT232 USB To UART Serial Adapter Board Micro USB FT232RL USB To TTL Serial Port Board Module Communication Module Board Support For Windows
Amazon.com
$13.99
$20.99
OIKWAN USB Type C To RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 And Mac Linux
Amazon.com
1K+
33% off
$13.99
$20.99
OIKWAN USB Type C To RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 And Mac Linux
Amazon.com
$24.95
Gearmo USB-C To RS-232 Serial Adapter, FTDI Chip, LED Indicators, High-Speed Data Transfer, Cross-Platform Compatible, 3ft Cable
Amazon.com
$24.95
Gearmo USB-C To RS-232 Serial Adapter, FTDI Chip, LED Indicators, High-Speed Data Transfer, Cross-Platform Compatible, 3ft Cable
Amazon.com
$12.49
DSD TECH SH-U09C USB To TTL Serial Adapter With FTDI FT232RL Chip Compatible With Windows 11, 10, 7 And Mac OS
Amazon.com
735
$12.49
DSD TECH SH-U09C USB To TTL Serial Adapter With FTDI FT232RL Chip Compatible With Windows 11, 10, 7 And Mac OS
Amazon.com
$18.00
Sabrent USB To RS232 Serial Adapter
Discount Credit Card Supply
$18.00
Sabrent USB To RS232 Serial Adapter
Discount Credit Card Supply
$48.07
Tripp-Lite USA-19HS Keyspan High-Speed USB To Serial Adapter, TAA
FireFold
$48.07
Tripp-Lite USA-19HS Keyspan High-Speed USB To Serial Adapter, TAA
FireFold
$36.72
$45.90
Innovate USB-To-Serial Adapter
Evasive Motor Sports
28
20% off
$36.72
$45.90
Innovate USB-To-Serial Adapter
Evasive Motor Sports
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    Shop USB to Serial Adapter Card

    Sponsored
    About our ads
    $20.99
    $30.99
    Startech.Com 17in (43Cm) 1-Port USB To Serial Adapter Cable, USB-A To DB9 RS232 Adapter, Prolific Chipset - M/M
    Amazon.com
    32% off
    $20.99
    $30.99
    Startech.Com 17in (43Cm) 1-Port USB To Serial Adapter Cable, USB-A To DB9 RS232 Adapter, Prolific Chipset - M/M
    Amazon.com
    $175.00
    $199.99
    Startech.Com 8 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub, TAA (ICUSB2328I)
    Amazon.com
    202
    Free shipping
    12% off
    $175.00
    $199.99
    Startech.Com 8 Port USB To Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB To DB9 RS232 Hub, TAA (ICUSB2328I)
    Amazon.com
    $34.95
    USB To Serial Adapter
    GreatGages
    $34.95
    USB To Serial Adapter
    GreatGages
    $61.17
    $78.99
    Startech.Com 6ft (1.8M) 1-Port Professional RS422/485 USB Serial Cable Adapter With COM Retention, USB To RS422 Adapter - TAA
    Amazon.com
    42
    Free shipping
    6 ft · Good Noise Cancellation · High-quality Sound · Perfect Fit · USB
    22% off
    $61.17
    $78.99
    Startech.Com 6ft (1.8M) 1-Port Professional RS422/485 USB Serial Cable Adapter With COM Retention, USB To RS422 Adapter - TAA
    Amazon.com
    $20.15
    Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
    Amazon.com
    $20.15
    Tripp Lite USB To Serial Adapter Cable, USB-A To DB9 RS232, Male-To-Male, 5 Feet / 1.5 Meters, 3-Year Warranty (U209-000-R)
    Amazon.com
    $26.99
    DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
    Amazon.com
    355
    $26.99
    DTECH 6 Feet USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac
    Amazon.com
    $39.99
    Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
    Amazon.com
    216
    Free shipping
    $39.99
    Gearmo 4 Port USB To Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac W/ESD And Surge Protection
    Amazon.com
    $11.99
    SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
    Amazon.com
    1K+
    $11.99
    SABRENT USB To RS-232 DB9 Serial 9 Pin Adapter Prolific PL2303 1-Ft [SBT-USC1K]
    Amazon.com
    $14.99
    Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 3 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With
    Amazon.com
    $14.99
    Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 3 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With
    Amazon.com
    $16.98
    DTECH 10 Feet USB To Serial Female Adapter Cable DB9 RS232 To USB 2.0 Cord With Prolific PL2303 Chip Windows 11 10 8 7 Mac Linux (9 Pin 2 Row DB-9 F
    Amazon.com
    568
    $16.98
    DTECH 10 Feet USB To Serial Female Adapter Cable DB9 RS232 To USB 2.0 Cord With Prolific PL2303 Chip Windows 11 10 8 7 Mac Linux (9 Pin 2 Row DB-9 F
    Amazon.com
    $33.60
    $46.99
    Startech 6.6ft/2m USB To Serial Adapter Cable, COM Retention, FTDI, USB-A To DB9 RS232, Interchangeable DB9 Screws/Nuts
    Amazon.com
    11
    28% off
    $33.60
    $46.99
    Startech 6.6ft/2m USB To Serial Adapter Cable, COM Retention, FTDI, USB-A To DB9 RS232, Interchangeable DB9 Screws/Nuts
    Amazon.com
    $23.88
    Gearmo USB To Serial RS-232 Adapter With LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above
    Amazon.com
    892
    $23.88
    Gearmo USB To Serial RS-232 Adapter With LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above
    Amazon.com
    $28.88
    Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
    Amazon.com
    93
    $28.88
    Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
    Amazon.com
    $20.59
    $36.99
    Startech.Com 1 ft. USB To RS232 Serial DB9 Adapter Cable With COM Port Retention - Up To 920 Kpbs USB A To DB9 Serial Adapter , TAA (ICUSB232PRO)
    Amazon.com
    44% off
    $20.59
    $36.99
    Startech.Com 1 ft. USB To RS232 Serial DB9 Adapter Cable With COM Port Retention - Up To 920 Kpbs USB A To DB9 Serial Adapter , TAA (ICUSB232PRO)
    Amazon.com
    $21.29
    Usbgear 12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 11, 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA,
    Amazon.com
    $21.29
    Usbgear 12 Inch USB To Serial RS-232 DB-9 Pin Adapter With FTDI Chipset For Windows 11, 10, 8, 7 And Mac Systems - Use For Laptop Serial Port, PDA,
    Amazon.com
    $14.88
    $15.96
    DTECH USB To Serial Adapter Cable RS232 DB9 Male Port With FTDI FT232RL Chipset Supports Windows 11 10 8 7 And Mac Linux (1.5 Feet)
    Amazon.com
    $14.88
    $15.96
    DTECH USB To Serial Adapter Cable RS232 DB9 Male Port With FTDI FT232RL Chipset Supports Windows 11 10 8 7 And Mac Linux (1.5 Feet)
    Amazon.com
    $12.99
    OIKWAN USB To RS232, USB Serial Adapter With FTDI Chipset,USB 2.0 To Male DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux And Mac OS(
    Amazon.com
    High-quality Material · USB · USB-A · Value for Money
    $12.99
    OIKWAN USB To RS232, USB Serial Adapter With FTDI Chipset,USB 2.0 To Male DB9 Serial Cable For Windows 11,10, 8, 7, Vista, XP, 2000, Linux And Mac OS(
    Amazon.com
    $39.00
    Cardiac Science Usb To Serial Adapter Cable | 9171-001
    AED Superstore
    $39.00
    Cardiac Science Usb To Serial Adapter Cable | 9171-001
    AED Superstore