58,000+ results for serial port adapter
- Serial Port Gender Changer Adapter (Female/Female) DB9 Nickel PlatedOpens in a new window or tabBrand New$2.52Top Rated PlusList price: $3.78 33% offmycablemart (15,061) 99.6%+$5.31 shippingFree returns52 sold
- Serial Port Right Angle Adapter DB9 (Style 2) BlackOpens in a new window or tabBrand New$3.03Top Rated PlusList price: $4.55 33% offmycablemart (15,061) 99.6%+$5.31 shippingFree returns77 sold
- Kentek Mini DB25 Male to DB9 Female Adapter Connector Changer Serial Port RS-232Opens in a new window or tabBrand New$8.17Save up to 10% when you buy moreTop Rated PlusFree shippingtechnichaus (45,094) 99.3%Free returns
- 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 (451,329) 99.1%Free shippingFree returns251 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 (36,898) 94.6%Free shippingFree returns309 sold
- PS2-F Mouse to DB9-F Serial Port Adapter Cable 5 InchOpens in a new window or tabBrand New$2.34pccables.com (10,959) 99.4%+$4.95 shipping101 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$6.51Save up to 8% when you buy moreWas: $7.66 15% offTop Rated Plusqkmallllc_1 (35,276) 95.1%Free shippingFree returns
- 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 (2,738) 99.8%Free shipping188 sold
Picked For You
Sponsored | Top selling items from highly rated sellers with free shipping- 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 (14,168) 98.7%Free shipping773 sold
- 9 Pin RS-232 DB9 Female to Female Serial Cable Gender Changer Coupler AdapterOpens in a new window or tabBrand New$2.99gravity_standard (169,187) 95.8%Free shipping1,131 sold
- 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 (2,760) 99.6%Free returns121 sold
- 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 (1,454) 96.9%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 (3,208) 99.3%Free shippingfrom China335 sold
- 30CM DB9 Male Serial RS232 Add-A-Port Adapter Cable with Bracket for MotherboardOpens in a new window or tabBrand New$1.99dreamlight2004 (21,361) 99%+$3.90 shipping125 sold
- Kentek Mini Null Modem DB9 Male/Female Adapter Connect Changer Serial Port RS232Opens in a new window or tabBrand New$7.71Save up to 10% when you buy moreTop Rated PlusFree shippingtechnichaus (45,094) 99.3%Free returns
- Kentek Null Modem DB9 Male to Female Adapter Molded Connector Serial Port RS-232Opens in a new window or tabBrand New$7.02Save up to 10% when you buy moreTop Rated PlusFree shippingtechnichaus (45,094) 99.3%Free returns
- 1in PS2 Female Mouse to DB9 Female Serial Port Adapter PS2 Mini DIN 6 - BlackOpens in a new window or tabBrand New$2.08solutioncables (230) 98.3%+$4.95 shipping
- 5in PS2 Female to DB9 Female Serial Port Adapter Cable - BeigeOpens in a new window or tabBrand New$2.15solutioncables (230) 98.3%+$4.95 shipping
- Serial Cable Male to Male DB9 9 Pin RS232 M-M COM Port WireOpens in a new window or tabBrand New$6.59accxpress (72,146) 98.9%Free shippingFree returns336 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$7.08Save up to 8% when you buy moreWas: $8.43 16% offTop Rated Plusgocartgo (3,715) 93.8%Free shippingFree returns
- USB to RS232 Serial Port DB9 9 Pin Male COM Port Converter AdapterOpens in a new window or tabBrand New$2.56miyukiki (2,437) 97.5%Free shippingfrom China
- 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 (14,168) 98.7%Free shipping179 sold
- USB to RS232 Serial Port 9 Pin Male Port Converter NEW Adapter T8E6Opens in a new window or tabBrand New$2.38sureicisi (1,961) 97.3%Was: $2.51 5% offFree shippingfrom China
- New USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterOpens in a new window or tabBrand New$8.99accxpress (72,146) 98.9%Free shippingFree returns2,875 sold
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.60Top Rated PlusWas: $1.76 9% offsatisfyelectronics (217,454) 99.5%+$3.00 shippingfrom ChinaFree returns570 sold
- FTDI USB 2.0 Converter Adapter Cable to RS-232 9-Pin RS232 Serial Port STM-9MNUTOpens in a new window or tabBrand New$34.95Top Rated Plusbluemax49ers (26,164) 99.9%Free shippingFree returns264 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 (189,702) 98.8%Free shipping717 sold
- DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7Opens in a new window or tabBrand New$16.37patricks_dapper_depot (2,068) 97.7%Free shipping
- SIIG Quad-Serial 4-Port / RS-232 PCIe Card Adapter w/ 16C550 UART (LB-S00114-S1)Opens in a new window or tabBrand New$30.39Extra 8% off with couponWas: $31.99 5% offe-tekdepot (3,991) 98.7%Free 2-4 day shippingFree returns297 sold
- KNTK Mini DB25 25Pin Male to Male Adapter Parallel Serial Printer Port RS232Opens in a new window or tabBrand New$7.13Save up to 10% when you buy moreTop Rated PlusFree shippingsuidreamz (33,029) 99.1%Free returns
- USB to DB9 RS232 DB-9pin Serial Port Cable Converter Adapter FTDI Chipset LED 1MOpens in a new window or tabBrand New$21.46luckydog2016 (3,815) 98.7%Was: $23.32 8% offFree shippingfrom China56 sold
- USB C To RS232 DB9 Serial Port Adapter Cable W FTDI Chipset Supports Windows 10Opens in a new window or tabBrand New$20.45Save up to 6% when you buy moreshleil3 (872) 99.5%Free shipping
- Sun Microsystems Oracle 530-3100-01 DB9 to RJ45 Serial Port Adapter - NEWOpens in a new window or tabBrand New$4.95mimcdo_23 (29) 100%Free shipping
- NEW RJ45 to RS232 DB9 9 Pin Serial Port Female to RJ45 Female Cat5e 6 EthernetOpens in a new window or tabBrand New$7.98besteworld (189,702) 98.8%Free shipping118 sold
- 1PCS CH340G USB 2.0 to 9-pin RS232 COM Port Serial Convert Adapter NEWOpens in a new window or tabBrand New$1.38Top Rated Pluslovesell2013 (76,896) 99.9%+$3.00 shippingfrom ChinaFree returns782 sold
- USB TO RS232 SERIAL DB 9 PIN COM Port Converter cable for GPS Windows XP WIN 7 8Opens in a new window or tabBrand New$8.99Save up to 6% when you buy morebesteworld (189,702) 98.8%Free shipping422 sold
- Genuine Dell Optiplex 3020 Series Serial Port Card COM PS2 Adapter Card 67X99Opens in a new window or tabBrand New$11.99Top Rated Plusrefreshedelectronics (37,763) 99.6%Free shippingFree returns
- DB9 Female 9-Pin to DB25 Male 25-Pin Serial Adapter - CablesOnline AD-R03Opens in a new window or tabBrand New$5.95Save up to 20% when you buy morecablesonline.net (175,560) 99.9%Free 2-3 day shipping769 sold
- Sd2sp2 Pro for Nintendo Gamecube Serial Port 2 Cover Swiss Micro SD card AdapterOpens in a new window or tabBrand New$11.49Save up to 32% when you buy moregaming_aficionado (1,126) 100%Free shippingFree returns89 sold
- New USB 2.0 To RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable ConverterOpens in a new window or tabBrand New$18.04bitshopus (11,510) 95.8%Was: $18.99 5% offFree shipping
- Brand New HP USB to Serial Port Adapter J7B60AAOpens in a new window or tabBrand New$19.99shsha5647 (77) 100%Free shipping
- PS/2 Keyboard/Mouse to USB Converter AdapterOpens in a new window or tabBrand New$3.95gravity_standard (169,187) 95.8%Free shipping1,091 sold
- Motherboard DB25 Com Port Serial Parallel Header Cable Bracket ConnectionOpens in a new window or tabBrand New$6.99accxpress (72,146) 98.9%Free shippingFree returns514 sold
- Genuine HP Serial Port Card Adapter High Profile w/ Cable 012712-001 383033-001Opens in a new window or tabPre-Owned$13.50Save up to 8% when you buy more2ndpcmall (5,755) 100%Free shipping
- 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 (10,908) 99.5%Free shipping
- HL-340 USB to RS232 COM Port Serial PDA 9 pin DB9 Cable Adapter support Win-WDOpens in a new window or tabBrand New$2.79wedding4426 (2,003) 96.6%Free shippingfrom China
- Startech Icusb2324I Wall/Din Mount USB to 4 DB9 Rs232 Serial Port Adapter HubOpens in a new window or tabPre-Owned$69.00svcheck (15,108) 98.2%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor USOpens in a new window or tabBrand New$7.98$5 off $50+ with coupondiybox (76,978) 98.7%Free shipping
- ⭐️⭐️⭐️⭐️⭐️ Desktop Part 611901-001 Serial Port Adapter Card w CableOpens in a new window or tabPre-Owned$14.99Top Rated Plusfrizzicustoms740 (18,120) 99.2%Free 2-4 day shippingFree returns
- RS232/DB25/Serial Port To RJ45/Cat5 Adapter For Aloha Pos Epson Bixolon PrinterOpens in a new window or tabRefurbished$14.95abbyc-63 (77) 55.6%+$5.90 shipping59 sold
- New Sun Microsystems Oracle 530-2889-03 RJ45 DB25 Serial Port AdapterOpens in a new window or tabBrand New$4.95mimcdo_23 (29) 100%Free shipping
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor 6FTOpens in a new window or tabBrand New$6.6515% off 2+ with couponList price: $10.99 39% offzydistro (2,187,720) 94.1%Free shipping220 sold
- StarTech.com USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USBOpens in a new window or tabBrand New$47.32ohsooffices (11,227) 100%Was: $52.58 10% off+$9.60 shipping
- 1-10PC USB to RS232 Serial Port 9Pin DB9 Cable Serial COM Port Adapter ConvertorOpens in a new window or tabBrand New$7.06 to $27.83Save up to 5% when you buy moreWas: $7.84 10% offworldchips (190,285) 99.1%Free shippingFree returns
- 10-PACK DB9 Serial Female/Female Slim Type Gender Changer Coupler Adapter GC-002Opens in a new window or tabBrand New$12.95cablesonline.net (175,560) 99.9%Free 2-3 day shipping241 sold
- 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 (12,568) 99.7%Free returns259 sold
- Startech 1 Port FTDI USB to RS232 Serial Null Modem Adapter CableOpens in a new window or tabBrand New$27.00Top Rated Pluseljozone (3,533) 99.6%Free shippingFree returnsLast one13 sold
- 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 (1,129) 100%Free shipping
- Serial Port Adapter Cable Converter Bidirectional Half Duplex AccessoriesOpens in a new window or tabBrand New$9.39Save up to 11% when you buy moreWas: $10.09 7% offnicedeal_123 (2,115) 99.5%Free shippingFree returns
- 2.54mm to 2.0mm pitch pin header adapter cable for PC Serial Port, 3 inch lengthOpens in a new window or tabBrand New$11.95yt-solutions777 (3,531) 100%+$6.55 shipping63 sold
- StarTech USB to RS232 DB9/DB25 Serial Adapter Cable ICUSB232DB25 (Grey)Opens in a new window or tabBrand New$14.88stuff2sellthree (41,102) 99.7%Free shipping15 watchers
- Serial Port Adapter Cable Converter Bidirectional Half Duplex Accessory PartOpens in a new window or tabBrand New$10.95Save up to 11% when you buy moreWas: $11.77 7% offnicedeal_123 (2,115) 99.5%Free shippingFree returns
- 6 Pcs DB9 9-Pin Female to Female Serial Mini Gender Changer Coupler RS-232 NewOpens in a new window or tabBrand New$11.95Save up to 20% when you buy morevintagevisuals1982 (15,389) 99.9%Free shippingFree returns
- USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor BlueOpens in a new window or tabBrand New$1.78alice1101983 (569,778) 99.5%+$3.20 shippingfrom ChinaFree returns8,451 sold
- Dtech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7Opens in a new window or tabBrand New$20.99merbergam-0 (252) 97.9%Free 2-4 day shippingLast one
- TRENDnet 10 Ft. USB to Serial Converter, TU-S910 ,WhiteOpens in a new window or tabBrand New$12.99tech_provisions (239) 100%+$6.99 shipping
- USB 2.0 to Serial DB 9 Pin RS232 Cable+ 25 Parallel Adapter Connector Windows 7Opens in a new window or tabBrand New27 product ratings - USB 2.0 to Serial DB 9 Pin RS232 Cable+ 25 Parallel Adapter Connector Windows 7$8.98Save up to 7% when you buy morebesteworld (189,702) 98.8%Free shipping2,199 sold
- Serial Port Adapter Cable Converter Bidirectional Half Duplex Industrial Acc LLIOpens in a new window or tabBrand New$7.49lanyydi.living (425) 98.2%Was: $7.88 5% offFree shippingfrom China
- New Listing6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 MacOpens in a new window or tabBrand New$21.79timmy2934 (37) 97.3%Free shippingFree returns
- Baffle Serial Port Adapter Baffle Motherboard Header For Adding A 9‑pin COM PortOpens in a new window or tabBrand New$6.77sellingplus100 (109,423) 98.1%Was: $7.13 5% offFree shippingfrom China
- Serial RS232 Cable Lead Plug Port Adapter Connector 9 Pin DB9 DB25 Male / FemaleOpens in a new window or tabBrand New$3.29 to $12.49superiorsell2014 (45,683) 99.6%+$2.99 shippingfrom China
- 10-PACK DB9 Serial Male/Male Slim Type Gender Changer Coupler Adapter, GC-001Opens in a new window or tabBrand New$12.95cablesonline.net (175,560) 99.9%Free 2-3 day shipping260 sold
- PC mouse Adapter / converter lead, DB9 serial mouse into the PS/2 port on a PCOpens in a new window or tabBrand New$7.31york-av (7,720) 99.8%+$15.17 shippingfrom United KingdomFree returns
- DB9 9Pin Male to DB25 25Pin Female Port Serial RS232 Adapter Converter ConnectorOpens in a new window or tabBrand New$6.95Top Rated Plushdtvfast (369) 100%Free shippingFree returns
- 5Pcs CP2102 USB-UART 6 in 1 USB to Serial Port Adapter Converter USB-TTL, USB...Opens in a new window or tabBrand New$32.19szmr3302-02 (419) 97.3%Free shippingFree returns
- Items Per Page