26,000+ results for usb to serial adaptor
- 3Ft Translucent USB 2.0 to DB9 RS232 Serial Converter 9 Pin Adapter Cable PDAOpens in a new window or tabBrand New$8.99Save up to 14% when you buy moreTop Rated PlusFree 2-4 day shippingnortheast.direct (16,502) 99.7%Free returns2,203 sold
- DNYEX DX-UBD89 USB TO SERIAL ADAPTOR 16" .41MOpens in a new window or tabPre-Owned$14.99Extra 5% off with couponboosbargainboutique (1,122) 99.8%Free shipping
- StarTech.com 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention -Opens in a new window or tabOpen Box$25.00sammy2tones (5) 100%Free shipping
- USB to RS-232 2-Port DB9 Serial Adapter/Converter SystemBase Multi-2/USB RS232Opens in a new window or tabBrand New$54.00Save up to 10% when you buy moreTop Rated PlusFree 2-4 day shippingenvistia (37,660) 100%Free returns4 watchers
- SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft CableOpens in a new window or tabBrand New$13.99sabrent_us (2,745) 99.8%Free 2-4 day shipping192 sold
- USB to Serial Adapter 6 Feet USB to RS-232 Male (9-pin) DB9 Serial Cable PrOpens in a new window or tabBrand New$14.92boriswc (198) 100%Free shippingLast one1 watchers
- USB to RS232 Serial Adapter, USB a Male to DB9 Pin Female Serial Converter CableOpens in a new window or tabBrand New$8.88cozzify (1,505) 98.8%Free 2-4 day shippingFree returns
- Digitus DA-70156 Usb to Serial Adaptor, Usb 2.0 W10,8,7,XP,MacOS X,Linux, NewOpens in a new window or tabBrand New$15.95Save up to 5% when you buy moreaopstore (4,994) 100%+$2.89 shipping618 sold
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- USB 2.0 to RS232 COM Port Computer Converter Adapter Cable 9 Pin Serial DB25 DB9Opens in a new window or tabBrand New$9.48Save up to 10% when you buy moreList price: $12.98 27% offTop Rated Pluseeekitonline (451,710) 99.1%Free 2-3 day shippingFree returns252 sold
- New USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterOpens in a new window or tabBrand New$8.70old2wolves6 (14,216) 98.7%Free 2-4 day shipping774 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$7.20Save up to 8% when you buy moreWas: $7.66 6% offTop Rated Plusjinsche (36,916) 94.5%Free shippingFree returns309 sold
- USB to RS232 Adapter with FTDI Chipset USB to RS232 Male DB9 Serial Converter...Opens in a new window or tabBrand New$16.55goosegoose1993 (38) 100%Free shippingLast one1 watchers
- NEW DNYEX DX-UBD89 USB TO SERIAL ADAPTOR 16" .41MOpens in a new window or tabBrand New$9.80marem_seq_alv (207) 100%+$6.70 shipping
- USB to RS232 Serial Adapter USB Mini 5 Pin Male to DB9 9 Pin Female ...Opens in a new window or tabBrand New$18.99myjob53 (3,608) 97.4%Free 2-3 day shippingFree returns
- 3Ft USB 2.0 to DB9 Adapter Cable Converter Serial RS232 Port Windows Mac LinuxOpens in a new window or tabBrand New$20.07Save up to 10% when you buy moreeasystation (21,758) 99.6%Free 1-3 day shippingFree returns
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$6.05Save up to 8% when you buy moreWas: $7.66 21% offTop Rated Plusqkmallllc_1 (35,307) 95%Free shippingFree returns
- For USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable Converter USOpens in a new window or tabBrand New$10.65Save up to 10% when you buy moreTop Rated PlusFree shippingupartcare (2,779) 99.6%Free returns121 sold
- Digitus USB-C to Serial Adaptor DA-70166, USB 2.0 W10, 8, 7, XP,Mac OS X, LinuxOpens in a new window or tabBrand New$12.95Save up to 5% when you buy moreaopstore (4,994) 100%+$3.30 shipping
- USB 2.0 to RS232 Serial Port DB9 9 Pin Male Converter Adapter Win7/8/2000/XPOpens in a new window or tabBrand New$8.70old2wolves6 (14,216) 98.7%Free 2-4 day shipping179 sold
- USB 2.0 Male to RS232 Serial DB9 9 Pin Adapter Cable PCOpens in a new window or tabBrand New$8.70Save up to 5% when you buy morebesteworld (189,766) 98.8%Free 2-4 day shipping719 sold
- Insignia USB to RS-232 Serial AdapterOpens in a new window or tabOpen Box$9.98Top Rated Plustechkup (131) 100%Free 2-4 day shippingFree returns
- IOGear USB to Serial Adapter GUC232A **Sealed**Opens in a new window or tabBrand New$15.00command.prompt (257) 0%Free shipping
- TRIPP LITE USB To Serial Adapter RS232 U209-000-R NewOpens in a new window or tabBrand New$14.50kaye100cat (775) 97.1%Free shipping
- Usb To Serial Adapter Benfei Usb To Rs-232 Male 9-Pin Db9 Serial Cable 1.8 MeterOpens in a new window or tabBrand New$12.79justintimegifts (63,648) 99.5%Free shippingFree returnsAlmost gone51 sold
- StarTech 1-Port USB to Serial RS-232 Adapter ICUSB2321FOpens in a new window or tabPre-Owned$15.28Save up to 23% when you buy moreWas: $17.98 15% offarg-tech (10,938) 99.5%Free 2-3 day shipping
- Plugable USB to Serial Adapter (RS-232/DB9, Prolific PL2303GT Chipset)Opens in a new window or tabofficial Plugable listing - includes 2 year warranty!Brand New$18.95Top Rated Plusplugable (4,395) 100%Free 4 day shippingFree returns63 sold
- USB to Serial Adapter,6 Feet USB to RS-232 Male (9-Pin) DB9 Serial CableOpens in a new window or tabBrand New$16.47araiy_11 (1) 100%Free shippingFree returns
- USB to RS232 Serial Adapter Cable DB9 9-pin Cord for POS PLC Printer COM PortOpens in a new window or tabBrand New$11.89orangejuice.tech (2,247) 99.4%Free shippingfrom China
- FT232RL 3.3V 5.5V FTDI USB to TTL Serial Adapter Module for Arduino Mini PortOpens in a new window or tabBrand New$3.45Extra 5% off with couponWas: $3.83 10% offTop Rated Pluseelectronicparts (24,529) 99.6%+$5.35 shippingFree returns403 sold
- 5Ft USB to RS232 Serial Adapter DB9-Male/ Thumbscrew, Prolific PL2303TA ChipsetOpens in a new window or tabBrand New$13.95Save up to 20% when you buy morebargaincabledirect (3,450) 99.6%Free shipping
- 1-10PC USB to RS232 Serial Port 9Pin DB9 Cable Serial COM Port Adapter ConvertorOpens in a new window or tabBrand New$7.21 to $28.45Save up to 5% when you buy moreWas: $30.92 8% offworldchips (190,337) 99.1%Free shippingFree returns
- 3ft USB 3.0 & USB-C to RS232 Serial Cable Adapter DB9 Male/Female FTDI ChipsetOpens in a new window or tabBrand New$19.99Save up to 15% when you buy moreTop Rated PlusFree shippingnwca.com (12,572) 99.7%Free returns260 sold
- USB to RS232 Serial Adapter USB Mini 5 Pin Male to DB9 9 Pin Female Serial CoOpens in a new window or tabBrand New$13.49idovoa09 (1,415) 99.6%Free shippingLast one
- BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial CableOpens in a new window or tabPre-Owned$8.00tma406 (277) 100%+$4.28 shipping
- New UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin PL2303 Chipset RS-2Opens in a new window or tabBrand New$11.95Save up to 20% when you buy moreaznridah (1,130) 100%Free shipping
- Innovate Motorsports USB to Serial Adapter Cable for Computers w/o Serial PortsOpens in a new window or tabBrand New$35.54Top Rated Plussparktecmotorsports (50,073) 99.8%Free 1-4 day shippingFree returnsAlmost gone32 sold
- Dafensoy USB to RS232 Serial Adapter USB a Male to DB9 Pin Female SerialOpens in a new window or tabBrand New$10.31Save up to 6% when you buy morekasse_j3y5piui (1,458) 99.5%Free 2-4 day shippingAlmost gone51 sold
- 3 Feet USB to Serial Female Adapter Cable DB9 RS232 to USB 2.0 Cord with Prol...Opens in a new window or tabBrand New$28.50myjob53 (3,608) 97.4%Free 2-3 day shippingFree returns
- USB to RS232 USB Serial Adapter with FTDI ChipsetUSB 2.0 to Male DB9 Serial C...Opens in a new window or tabBrand New$26.50myjob53 (3,608) 97.4%Free 2-3 day shippingFree returns
- Belkin USB To Serial AdapterOpens in a new window or tabBrand New$10.00guy_nickito (706) 100%0 bids · Time left2d 22h left (Fri, 08:16 PM)+$5.25 shipping
- USB to RS232 Serial Adapter USB a Male to DB9 Pin Female SerialOpens in a new window or tabBrand New$8.94moneymakinmeeks2012 (12,952) 99.4%Free shippingFree returnsLast one10 sold
- StarTech USB to RS232 DB9/DB25 Serial Adapter Cable ICUSB232DB25 (Grey)Opens in a new window or tabBrand New$14.88stuff2sellthree (41,112) 99.6%Free 2-4 day shipping13 watchers
- NEW BLACK SABRENT USB 2.0 TO SERIAL CABLE ADAPTEROpens in a new window or tabBrand New$15.00legacytechbargains (10) 100%Free shipping
- DTECH USB to Serial Adapter CableOpens in a new window or tabBrand New$24.95kigs-59 (520) 100%Free 2-4 day shipping
- IOGEAR USB to Serial Adapter GUC232A -NewOpens in a new window or tabBrand New$20.00Save up to 20% when you buy moresecure_processors (2,983) 99.7%Free 2-4 day shipping51 sold
- Titan USB to serial adapter, RS232, includes transmit and receive lights, FTDIOpens in a new window or tabBrand New$19.95tennesseevalleyproducts (1,510) 100%Free 2-4 day shipping
- ATEN USB To Serial RS-232 Converter, Model UC-232A, With Software Disc & ManualOpens in a new window or tabBrand New$17.5099ronp (1,470) 99.6%Free 2-4 day shipping
- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter Adapter R E8P5 V K3A0Opens in a new window or tabBrand New$7.87Save up to 15% when you buy moresinpast (1,470) 97.9%Free shipping
- Lot of 2 - NEW TRIPP LITE - FTDI USB To Serial Adapter RS232 U209-005-COMOpens in a new window or tabBrand New$40.00redhouse6 (654) 100%Free shipping
- Tripp-Lite Eaton Keyspan USA-19HS USB to Serial Adapter New With USB CableOpens in a new window or tabPre-Owned$23.99vault-techsurplus (1,048) 100%Free shippingFree returns
- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter AdapterOpens in a new window or tabBrand New$2.64miyukiki (2,480) 97.6%Free shippingfrom China
- Tripp Lite USB to Serial Adapter USB A / DB9 No AC Power Required U209-000-ROpens in a new window or tabOpen Box$7.99interstateblue (27,753) 99.7%+$4.10 shipping
- StarTech.com USB to Serial Adapter 1 port USB Powered FTDI USB UART Chip ...Opens in a new window or tabOpen Box$27.99goblinmotorsports (518) 100%Free 2-4 day shipping
- USB to RS-232 Serial Adapter w/ LED Indicators Windows 11 SupportOpens in a new window or tabBrand New$17.90sbarreros (488) 100%+$5.90 shipping
- USB to RS232 USB Serial Adapter with FTDI ChipsetUSB 2.0 to Male DB9 Serial C...Opens in a new window or tabBrand New$19.99hicrij-0 (119) 99.2%Free shippingFree returnsLast one
- USB To Serial Adapter 4 RS232 Port COM Reserve Feature DB9 Compact USB To RS NGFOpens in a new window or tabBrand New$26.58Extra 5% off with coupondepartmartshop (1,903) 97.8%Free shippingFree returns
- New ListingStarTech 6ft RS422 RS485 USB to Serial Cable AdapterOpens in a new window or tabBrand New$43.941707alexander (65) 100%+$20.25 shippingfrom Canada
- USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports WindowsOpens in a new window or tabBrand New$32.99godirectly (766) 99.7%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$2.19shanghai*book (3,213) 99.3%Free shippingfrom China335 sold
- New ListingDNYEX DX-UBD89 USB TO SERIAL ADAPTOR 16" .41MOpens in a new window or tabBrand New$5.00zukis (350) 100%0 bids · Time left6d 17h left (Tue, 03:28 PM)+$5.10 shipping
- USB to RS-232 Male (9-Pin) DB9 Serial Cable Adapter - 6 Feet, Prolific Chipset,Opens in a new window or tabBrand New$19.70ranpig-31 (11) 100%Free shippingFree returns
- DNYEX DX-UBD89 USB TO SERIAL ADAPTOR 16" .41MOpens in a new window or tabOpen Box$15.95iwillgetit4u (6,886) 100%Free 2-4 day shipping
- StarTech 1 Port USB to Serial Adapter (ICUSB232PRO) (NEW)Opens in a new window or tabBrand New$21.00patriotmerchandising (1,223) 100%Free shippingFree returns
- USB to RS232 Serial Port 9 Pin Male Port Converter NEW Adapter T8E6Opens in a new window or tabBrand New$2.38sureicisi (2,044) 97.4%Was: $2.51 5% offFree shippingfrom China
- USB To RS232 Serial Converter Cable AdapterOpens in a new window or tabBrand New$4.99lemee_78 (731) 100%+$4.00 shipping2 watchers
- USB to Serial RS-232 Adapter with LED Indicators FTDI Chipset Supports WindowsOpens in a new window or tabBrand New$32.27Save up to 6% when you buy morealokat-0 (574) 98.5%Free shipping
- TRENDnet TU-S9 USB to Serial Converter USB 1.1 to RS-232 Male DB9 Serial CableOpens in a new window or tabBrand New$19.95cnil1635 (2,610) 99.6%Free 2-4 day shipping214 sold
- OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 8,Opens in a new window or tabBrand New$19.15abbassair (225) 95.3%Free shippingFree returns
- CODi USB To Serial Adapter Cable A01026Opens in a new window or tabBrand New$16.00Top Rated Plusynowandynot (7,159) 99.1%Free 2-4 day shippingFree returns
- USB to RS232 Serial to RJ45 CAT5 Console Cable Adapter for Cisco Routers FTDIOpens in a new window or tabBrand New$12.00Save up to 5% when you buy moreesupplytech (3,773) 98.4%Free shipping69 sold
- USB To Serial Adapter 3.3ft USB To RS232 Male 9pin DB9 Serial Cable For Wind NGFOpens in a new window or tabBrand New$12.76Extra 5% off with coupondepartmartshop (1,903) 97.8%Free shippingFree returns
- Parallax USB to Serial Adapter USB2SER 28024Opens in a new window or tabBrand New$29.99korshun17 (20) 100%+$10.00 shipping
- StarTech 4-Port USB to DB9 RS232 Serial Adapter HubOpens in a new window or tabBrand New$123.18nothingbutsavings (126,461) 99.1%Free 2-4 day shippingFree returns
- Racepak 890-CA-USB2SER USB TO SERIAL ADAPTEROpens in a new window or tabBrand New$65.95holleyperformance (68,203) 98.8%List price: $73.28 10% off+$11.95 shipping
- Items Per Page