Your Browsing History
- Sold by Newegg
- Make an Offer
Any questions? Our AI mode will help you find out quickly.
Try me now

Quick View
USB to DB9 , USB 2.0 Male to RS232 DB9 Serial Cable Male A Converter Adapter with PL2303 Chipset for Win8.1/8, Compatible with 8/7/Vista/XP//2000 and Mac OS X 10.6 and Above (3ft/1m) 20210
- Specifications: USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter
- Model #: NTRA20210C
- $16.97 –
- Free Shipping

Quick View
4 DB9 serial RS232 ports pcie x1 I/O controller card with fan-out cable WCH384 chipset support low profile bracket,4 Serial Ports PCI-e Controller Card, w/ Fan-out Cable, Low Profile Bracket
- Type: PCI Express to Serial Port Card
- External USB Ports: 4 Port
- Specifications: 4 DB 9 serial rs232 ports pcie x1 I/O controller card with fan-out cable WCH384 chipset support low profile bracket
- Package Contents: 1 x Powered RS-232 4-Port PCIe Card •1 x Driver CD •1 x User Manual •1 x Low Profile
- Model #: NTRAC100091W
- $39.98 –
- Free Shipping

Quick View
1.2M USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable CH340+ZT485 Chipset
- Model #: DIEWUseries-90
- $20.99 –
- Free Shipping

Quick View
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
- Model #: PEGLB0GCM313G5
- $275.19 –
- More options from $275.19
- Free Shipping

Quick View
USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter with FTDI Chipset for Win8.1/8, Compatible with 8/7/Vista/XP//2000 and Mac OS X 10.6 and Above (10ft/3m)20221
- Type: USB Male to DB9 Male converter adapter, USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter
- Color: Black
- Specifications: USB Male to DB9 Male converter adapter, USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter
- Model #: NTRA20221C
- $29.97 –
- Free Shipping

Quick View
Aomoproing 1pcs RS232 DB9 Female to USB 2.0 A Female Serial Cable Adapter Converter 8" Inch 25cm
- Model #: L2635
- $11.29 –
- Free Shipping

Quick View
USB to RS232 6Pin 2.54mm Port Serial Adapter Cable Chip Pinout TX RX GND VCC CTS RTS Fit for Windows OS Linux
- Model #: PEGLB0DYNTRKPJ
- $68.09 –
- More options from $68.09 - $69.99
- Free Shipping

Quick View
UOTEK Industrial 4 Port PCI-E to RS485/422 Multi Serial Card PCIE to RS-485 RS-422 PC Serial Expansion Card with Serial Cable 9-pin Com Port with DR44 Female UT-794
- Model #: CLAWB09GXL2P1W
- $178.99 –
- Free Shipping

Quick View
- $42.99 –

Quick View
UOTEK Industrial PCI-E to 2-Port RS232 High Speed Serial Card PC Serial Expansion Card with Serial Cable 9-pin com Port,with DR44 Female 1pc,UT-782
- Model #: CLAWB074YY4MLC
- $149.99 –
- Free Shipping

Quick View
For PCI Slot Header Serial DB9 Pin With Parallel DB25 Pin Cable 28.5cm With Bracket For Parallel LPT Printer COM Serial
- Model #: BestAdapter-17
- $12.99 –
- Free Shipping

Quick View
Gearmo 4 Port USB to Serial RS232 Adapter, 3ft Cable, FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection (USA-FTDI4X)
- Color: Black
- Ports: 4 x Serial
- Transfer Rate: 921.6 Kbps
- Dimensions: 8" L x 6" W x 2" H
- Model #: USBG-4X2FTDI
- $49.67 –
- $3.99 Shipping

Quick View
USB to RS232 DB9 Serial Cable Converter Adapter with CH340 Chipset for Windows 10 with metal shell
- Model #: DIEWUseries-49
- $14.99 –
- Free Shipping

Quick View
Gearmo Windows 7 64-bit Compatible USB to Serial Adapter RS232 DB9 Short 8 Inch Cable
- Model #: USA-FTDI-8
- $20.64 –
- $3.99 Shipping

Quick View
Belkin RJ45 Modular Connector Kit for 10BT Patch Cables (10 Pack)
- Type: Plug
- Specifications: Connector Details: RJ-45 Male Packaged Quantity: 10
- Model #: R6G088-R-10
- $6.99 –
- Free Shipping

Quick View
StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
- Type: PCI Express to Serial Port Card
- External Ports: 1 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
- Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
- Model #: PEX1S953LP
- $59.99 –
- More options from $55.00 - $59.99
- Free Shipping

Quick View
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
- Type: PCI Express to Serial Port Card
- External Ports: 8 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x PCI Express x1 Male
- Operating Systems Supported: Windows CE 5.0, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2016, 2019 Linux 2.4.x to 4.11.x LTS Versions only
- Model #: PEX8S1050LP
- $201.99 –
- More options from $201.99 - $241.12
- $11.22 Shipping

Quick View
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
- Type: PCI Express to Serial Port Card
- External Ports: 2 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
- Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
- Model #: PEX2S953LP
- $55.99
- $45.99 –
- Save: $10.00 (17%)
- More options from $45.99 - $59.04
- $7.05 Shipping

Quick View
CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
- Type: PCI Express to Serial Port Card
- External Ports: 4 x Serial Ports
- Model #: CM-4S1PRS232
- $21.99 –
- $3.99 Shipping

Quick View
PCI-E 1 Parallel port 1 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
Limited time offer, ends 08/30
- Model #: C6WV-0730-OYJ-591
- $25.51 –
- Free Shipping

Quick View
PCIe to 2-Port Serial Card, 9-Pin RS232 Adapter Card, Parallel & COM Port Expansion Card, WCH382L
Limited time offer, ends 08/30
- Model #: C7FW0626-JIA-94
- $17.27 –
- Free Shipping

Quick View
PCI-E Serial Port Card PCIe to 4/2 Port RS232, Industrial 4/2 x 9-Pin COM Expansion Card, ASIX AX99100 Two wires
Limited time offer, ends 08/30
- Model #: C7FW0626-JIA-82
- $23.98 –
- Free Shipping

Quick View
DB9 Male Female Adapter Signals Terminal Module RS232 RS485 Serial To Terminal 9-Pin 9-Hole Connector(Female,10pcs)
- Model #: PEGLB0FRZH1YSH
- $77.19 –
- More options from $77.19
- Free Shipping

Quick View
USB to RS232/RS485 Serial Communication Module, Industrial-Grade USB-232/485 Signal Converter
- Model #: PEGLB0GCW9B883
- $99.19 –
- More options from $99.19
- Free Shipping

Quick View
StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
- Type: PCI Express
- External Ports: 16 x DB-9 (9 pin, D-Sub) Male
- Internal Ports: 1 x SP4 (4 pin, Small Drive Power) Male
- Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.6x to 4.2x LTS Versions only
- Model #: PEX16S550LP
- $421.99 –
- Free Shipping

Quick View
2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket,CH382L Chipset
Limited time offer, ends 08/31
- Type: PCI Express to Serial Port Card
- External USB Ports: 2 Port
- Model #: 11-001-374
- $16.19 –
- Free Shipping

Quick View
2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included
- Brand: HP
- Part Number: 749235272744
- Connectors: 1 x RJ45
- Interface: PCI
- Model #: 617593472331
- $55.99 –
- Free Shipping

Quick View
StarTech 2-Port PCIe to RS232 DB9 Serial Card 21050PCSERIALCARD
- Model #: 21050PCSERIALCARD
- $91.99
- $61.99 –
- Save: $30.00 (32%)
- More options from $61.06 - $71.13
- Free Shipping

Quick View
RS232 RS485 Serial to Ethernet Modbus to Ethernet converters USR-TCP232-410S
- Model #: PEGLB0BDWF9YLP
- $162.19 –
- More options from $162.19
- Free Shipping

Quick View
Industrial 4 in 1 USB to RS232 RS485 RS422 TTL Serial Converter with FT232RNL Chip USB 2.0 A to Terminal Block Adapter
- Model #: PEGLB0GLXPS84D
- $176.19 –
- More options from $176.19
- Free Shipping






