Shop USB to Serial Port Expansion

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$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
177
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
177
$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
222
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
222
$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
141
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
141
$15.98
DTECH USB To Serial Adapter Cable With RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 And Mac Linux - 4 Feet
Amazon.com
239
$15.98
DTECH USB To Serial Adapter Cable With RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 And Mac Linux - 4 Feet
Amazon.com
239
$16.99
IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
Amazon.com
349
$16.99
IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
Amazon.com
349
$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
2K+
$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
382
$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
382
$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
856
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
856
$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
915
$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
915
$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
31
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
31
$11.99
$14.99
SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
Amazon.com
2K+
20% off
$11.99
$14.99
SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
Amazon.com
2K+
$15.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI Chipset
Amazon.com
587
$15.99
Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI Chipset
Amazon.com
587
$19.22
$20.35
Tripp Lite 5ft USB To Serial Adapter Cable (USB-A To DB9 M/M)(U209-000-R)
Amazon.com
592
$19.22
$20.35
Tripp Lite 5ft USB To Serial Adapter Cable (USB-A To DB9 M/M)(U209-000-R)
Amazon.com
592
$15.99
Tera Grand Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 6 ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI
Amazon.com
640
$15.99
Tera Grand Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 6 ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI
Amazon.com
640
$13.99
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+
$13.99
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+
$13.92
DTECH 3 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 Connector
Amazon.com
89
$13.92
DTECH 3 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 Connector
Amazon.com
89
$20.50
Jeirdus USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Support Windows 10, 8, 7, XP And Mac With ESD Protection (6Ft/1.8Meter)
Amazon.com
58
$20.50
Jeirdus USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Support Windows 10, 8, 7, XP And Mac With ESD Protection (6Ft/1.8Meter)
Amazon.com
58
$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
55
$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
55
$17.99
UGREEN 6ft USB To Serial Adapter, Serial To USB Adapter DB9 Male 9 Pin With PL2303 Chipset, PVC Jacket, RS232 To USB Cable For Windows 11 10 8.1 8 7
Amazon.com
8K+
$17.99
UGREEN 6ft USB To Serial Adapter, Serial To USB Adapter DB9 Male 9 Pin With PL2303 Chipset, PVC Jacket, RS232 To USB Cable For Windows 11 10 8.1 8 7
Amazon.com
8K+
$15.99
Drivergenius USB232A-B-A | USB To Serial RS232 DB9 Adapter Cable With 3 X LED Indicators - Compatible With Windows 11, Macos 15, Linux (3FT, Male/Male
Amazon.com
1K+
$15.99
Drivergenius USB232A-B-A | USB To Serial RS232 DB9 Adapter Cable With 3 X LED Indicators - Compatible With Windows 11, Macos 15, Linux (3FT, Male/Male
Amazon.com
1K+
$28.98
$41.99
Startech.Com USB C To Serial Adapter Cable With COM Port Retention - 16" (40Cm) USB Type C To RS232 (DB9) Serial Converter Cable - For Plcs, Scanners,
Amazon.com
58
30% off
$28.98
$41.99
Startech.Com USB C To Serial Adapter Cable With COM Port Retention - 16" (40Cm) USB Type C To RS232 (DB9) Serial Converter Cable - For Plcs, Scanners,
Amazon.com
58
$13.98
DTECH USB To TTL Serial 3.3V Adapter Cable TX RX Signal 4 Pin 0.1 Inch Pitch Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (6Ft, Black)
Amazon.com
187
$13.98
DTECH USB To TTL Serial 3.3V Adapter Cable TX RX Signal 4 Pin 0.1 Inch Pitch Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (6Ft, Black)
Amazon.com
187
$17.99
Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista, XP
Amazon.com
2K+
$17.99
Cablecreation USB To RS232 Serial Adapter (FTDI Chipset), USB To RS232 Gold Plated DB9 Serial Converter Cable For Windows 11, 10, 8.1, 8, 7, Vista, XP
Amazon.com
2K+
$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
496
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
496
$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
637
$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
637
$22.98
DTECH USB To Serial Adapter 10 ft USB To RS232 DB9 Female Cable COM Port With FTDI Chipset Supports Windows 11 10 8 7 Mac Linux
Amazon.com
181
$22.98
DTECH USB To Serial Adapter 10 ft USB To RS232 DB9 Female Cable COM Port With FTDI Chipset Supports Windows 11 10 8 7 Mac Linux
Amazon.com
181
$13.99
$18.99
Cablecreation USB To RS232 Serial Adapter With PL2303 Chipset, 10 ft USB To DB9 Pin Female Converter Cable For Cashier Register, Modem, Scanner,
Amazon.com
2K+
26% off
$13.99
$18.99
Cablecreation USB To RS232 Serial Adapter With PL2303 Chipset, 10 ft USB To DB9 Pin Female Converter Cable For Cashier Register, Modem, Scanner,
Amazon.com
2K+
$17.98
DTECH USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
Amazon.com
319
$17.98
DTECH USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
Amazon.com
319
$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
94
$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
94
$9.99
BENFEI USB To Serial Adapter, USB To RS-232 Male (9-Pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above, 1.8M(Not
Amazon.com
5K+
$9.99
BENFEI USB To Serial Adapter, USB To RS-232 Male (9-Pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 And Above, 1.8M(Not
Amazon.com
5K+
$40.99
USB To DB9 Male Serial Adapter Cable - 1.5 ft
ShowMeCables.com
$40.99
USB To DB9 Male Serial Adapter Cable - 1.5 ft
ShowMeCables.com
$19.03
Xiusiyt USB To RS485-WE Serial Cable, RS485-WE-1800-BT UART Serial Converter Cable,USB-RS485-WE Wire End,6 way,1.8m/6ft
Amazon.com
8
$19.03
Xiusiyt USB To RS485-WE Serial Cable, RS485-WE-1800-BT UART Serial Converter Cable,USB-RS485-WE Wire End,6 way,1.8m/6ft
Amazon.com
8
$56.99
USB To DB25 Male Serial Adapter Cable - 6 ft
ShowMeCables.com
$56.99
USB To DB25 Male Serial Adapter Cable - 6 ft
ShowMeCables.com
$127.99
Startech.Com 4 Port USB To DB9 RS232 Serial Adapter Hub
Lenovo
7
$127.99
Startech.Com 4 Port USB To DB9 RS232 Serial Adapter Hub
Lenovo
7
$18.00
Sabrent USB To RS232 Serial Adapter
Discount Credit Card Supply
$18.00
Sabrent USB To RS232 Serial Adapter
Discount Credit Card Supply
$84.66
Advantech bb-232usb9m | SERIAL CONVERTER, USB TO SERIAL RS-232 ADAPTER, USB 2.0 TO DB9M, 16 in CABLE | Signal Conditioning & Signal Converters
RS
$84.66
Advantech bb-232usb9m | SERIAL CONVERTER, USB TO SERIAL RS-232 ADAPTER, USB 2.0 TO DB9M, 16 in CABLE | Signal Conditioning & Signal Converters
RS
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    Shop USB to Serial Port Expansion

    Sponsored
    About our ads
    $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
    177
    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
    177
    $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
    222
    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
    222
    $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
    141
    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
    141
    $15.98
    DTECH USB To Serial Adapter Cable With RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 And Mac Linux - 4 Feet
    Amazon.com
    239
    $15.98
    DTECH USB To Serial Adapter Cable With RS232 DB9 Male Port FTDI Chipset Supports Windows 10 8 7 And Mac Linux - 4 Feet
    Amazon.com
    239
    $16.99
    IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
    Amazon.com
    349
    $16.99
    IOGEAR USB To PDA/Serial (DB9) Adapter W/ PC & Mac Drivers - GUC232A
    Amazon.com
    349
    $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
    2K+
    $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
    382
    $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
    382
    $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
    856
    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
    856
    $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
    915
    $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
    915
    $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
    31
    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
    31
    $11.99
    $14.99
    SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
    Amazon.com
    2K+
    20% off
    $11.99
    $14.99
    SABRENT 6-FT USB To RS-232 DB9 Serial 9 Pin Adapter (Prolific PL2303) (SBT-USC6K)
    Amazon.com
    2K+
    $15.99
    Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI Chipset
    Amazon.com
    587
    $15.99
    Tera Grand - Premium USB 2.0 To RS232 Serial DB9 Adapter - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI Chipset
    Amazon.com
    587
    $19.22
    $20.35
    Tripp Lite 5ft USB To Serial Adapter Cable (USB-A To DB9 M/M)(U209-000-R)
    Amazon.com
    592
    $19.22
    $20.35
    Tripp Lite 5ft USB To Serial Adapter Cable (USB-A To DB9 M/M)(U209-000-R)
    Amazon.com
    592
    $15.99
    Tera Grand Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 6 ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI
    Amazon.com
    640
    $15.99
    Tera Grand Premium USB 2.0 To RS232 Serial DB9 Adapter Cable 6 ft - Supports Windows 11,10, 8, 7, Vista, XP, 2000, 98, Linux And Mac - Built With FTDI
    Amazon.com
    640
    $13.99
    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+
    $13.99
    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+
    $13.92
    DTECH 3 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 Connector
    Amazon.com
    89
    $13.92
    DTECH 3 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 Connector
    Amazon.com
    89
    $20.50
    Jeirdus USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Support Windows 10, 8, 7, XP And Mac With ESD Protection (6Ft/1.8Meter)
    Amazon.com
    58
    $20.50
    Jeirdus USB To RS422 RS485 Serial Port Converter Adapter Cable With FTDI Chip Support Windows 10, 8, 7, XP And Mac With ESD Protection (6Ft/1.8Meter)
    Amazon.com
    58
    $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
    55
    $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
    55