Skip to main content
  • Sold by Newegg
Department
Show More
Brands
Show More
Price
Show More
Sold by
Current Promotion
Useful Links
Customer Ratings
avatar

Any questions? Our AI mode will help you find out quickly.

Sort By:
View:
StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
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
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
Quick View
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
  • Type: PCI Express to Serial Port Card
  • External Ports: 1 x Serial Port
  • Operating Systems Supported: Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 1
  • Model #: SD-PEX15021
  •  
  • $17.99 
  • Free Shipping
SYBA SI-PEX15037 2 Serial DB9 RS-232 Ports PCI-e x1 Card with Low Profile Bracket WCH CH382
Quick View
SYBA SI-PEX15037 2 Serial DB9 RS-232 Ports PCI-e x1 Card with Low Profile Bracket WCH CH382
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: All Windows OS
  • Weight: 0.35 lb.
  • Model #: SI-PEX15037
  •  
  • $13.99 
  • Free Shipping
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
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
StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
Quick View
StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 - DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 - LP4 (4 pin; Large Drive Power) Male Input
  • Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX4S953LP
StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
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
SYBA 4 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SY-PEX15066
Quick View
SYBA 4 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SY-PEX15066
  • Type: RS-232 DB9 Serial M.2 B+M Key Controller Card
  • External Ports: 4 x Serial Ports
  • Internal Ports: 1 x M.2 B+M Key
  • Operating Systems Supported: Windows 7, 8, 10, Linux Kernal 2.6.15 , Android 1.x-5.x
  • Model #: SY-PEX15066
  •  
  • $43.99 
  • Free Shipping
DERAPID RTL8125 2.5Gbps PCI Express Network Card  PCIe x1 to RJ45 Ethernet Adapter, 2.5G Base-T Gigabit LAN, Gaming NIC for Desktop PC NAS
Quick View
#1 Best Seller
in Add-On Cards
DERAPID RTL8125 2.5Gbps PCI Express Network Card PCIe x1 to RJ45 Ethernet Adapter, 2.5G Base-T Gigabit LAN, Gaming NIC for Desktop PC NAS

Limited time offer, ends 09/29

  • Brand: DERAPID
  • Series: RJ45 Network Card
  • Model: RTL8125
  • Type: PCI Express to Ethernet Port Card
  • Model #: 2.5G PCI-E to RJ45
  •  
  • $15.99 
  • Free Shipping
Direct from DERAPID Direct from DERAPID
TPM 2.0 Encryption Security Module Compatible with Remote Card 11 Upgrade LPC TPM2.0 Module 12 pin for GIGABYTE Motherboards,TPM 2.0 Module fit for GIGABYTE GC-TPM2.0_S TPM Module (12 Pin 12-1)
Quick View
  • $69.99
  •  
  • $48.99 
  • Save: $21.00 (30%)
  • Free Shipping
Direct from Bailink Direct from Bailink
Rj45 8P8C Cat6 Modular Plug Ethernet Gold Plated Network Connector with Load Bar Insert
Quick View
Rj45 8P8C Cat6 Modular Plug Ethernet Gold Plated Network Connector with Load Bar Insert
  • Color: Transparent
  • Type: RJ45 Connectors
  • Model #: RJ6U133-100
  •  
  • $26.40 
  • Free Shipping
RJ45 RJ11 RJ12 Network Cable Tester Cat5 6 UTP LAN Cable Tester Networking Wire Telephone Line Detector Tracker Tool
Quick View
  •  
  • $12.99 
  • Free Shipping
SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
Quick View
SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
  • Type: PCI Express to Serial Port Card
  • External Ports: PCI-Express
  • Internal Ports: 2 x DB9 Serial (RS-232)
  • Data Transfer Rate: up to 115200bps/port
  • Model #: SI-PEX15055
  •  
  • $53.79 
  • Free Shipping
SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
Quick View
SYBA 4 x Port Non-RAID SATA III 6 Gbp/s and M.2 B Key 2242 PCI-e x4 Controller Card Model SI-PEX40138
  • Type: PCI Express to SATA Card
  • Internal Ports: 4 x SATA III + 1 x M.2 B-Key
  • Data Transfer Rate: Up to 1700 MB/s
  • Package Contents: (1) 4 Port SATA + M.2 B-key PCI-e x4 Controller (4) SATA Cables (1) Manaul
  • Model #: SI-PEX40138
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
Quick View
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x RS232 2 x RS422 / RS485
  • Operating Systems Supported: Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server 2008 R2, 2003(32/64) Linux Kernel 2.6.x
  • Specifications: Data Bits: 5, 6, 7, 8 FIFO: 256 Bytes Flow Control: None, Xon/Xoff, RTS/CTS Max Baud Rate: 460.8 Kbps Parity: None, Odd, Even, Space, Mark Serial Protocol: RS-232/422/485 Stop Bits: 1, 1.5, 2 Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wire
  • Model #: PEX4S232485
PCIe 2.1 x1 2.5GBase-T Ethernet Adapter, Realtek RTL8125 Chip Single RJ45 2500Mbps LAN Card for Windows Server & Linux Systems
Quick View
  •  
  • $40.89 
  • Free Shipping
RJ45 RJ11 RJ12 Network Cable Tester Cat5 6 UTP LAN Cable Tester Networking Wire Telephone Line Detector Tracker Tool
Quick View
  •  
  • $15.68 
  • Free Shipping
BCM943224PCIEBT2/bcm94360CS2/BCM943602CS Card to PCI-E x1 Adapter for PC/Hackintosh
Quick View
  •  
  • $51.89 
  • Free Shipping
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
Quick View
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
  • Type: PCI to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64) Windows Server 2008 R2/ 2003(32/64)/ 2000 Linux 2.4.x/ 2.6.x
  • Specifications: Bus Type: PCI / PCI-X (5 / 3.3V) Card Type: Standard Profile (LP bracket incl.) Chipset ID: SystemBase -SB16C1052PCI Connector Type(s): PCI / PCI-X (Universal 3.3 & 5V 32-bit) Male Data Bits: 5, 6, 7, 8 External Ports: DB-9 (9 pin ; D-Sub) Male FIFO: 256 Bytes Flow Control: Xon, Xoff, RTS#, CTS# Humidity: 5~85% RH Included in Package: 2 port PCI RS422/485 card Driver CD Low profile (half-height) brackets User Manual Industry Standards: PCI Local Bus Specification 2.3 PCI Power Management 1.1 Interface: Serial Max Baud Rate: 128 Kbps Operating Temperature: -10°C to 80°C (14°F to 176°F) OS Compatibility: Windows® 8 / 8.1 (32/64b...
  • Model #: PCI2S4851050
BCM943228HMB 300Mps 2.4/5GHz Bluetooth 4.0 Mini PCI-E Wifi Card for Laptop
Quick View
  •  
  • $12.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922 SD-PEX15022
Quick View
  •  
  • $48.64 
  • Free Shipping
Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
Quick View
Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
  • Type: Controller Card
  • External Ports: 8 x Serial Ports
  • Operating Systems Supported: Windows 10 or Higher Ubuntu 19.04 or Higher
  • Package Contents: 8 Port Serial DB9 M.2 B+M Key Module Driver CD x1 Manual x1
  • Model #: SI-ADA15071
Multifunctional RJ45 RJ11 RJ12 CAT5 UTP Network LAN Cable Tester Networking Tool
Quick View
Multifunctional RJ45 RJ11 RJ12 CAT5 UTP Network LAN Cable Tester Networking Tool

Limited time offer, ends 09/30

  • Model #: XDCJZMC53R731-453
  •  
  • $23.88 
  • Free Shipping
PCI-E 1 Parallel port 1 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
Quick View
  •  
  • $25.51 
  • Free Shipping
StarTech 2-Port PCIe 10Gb Ethernet Network Card - Dual RJ45 10GBase-T/Gigabit - Broadcom BCM57416 Chipset - Windows & Linux (PR210B-NETWORK-CARD)
Quick View
StarTech 2-Port PCIe 10Gb Ethernet Network Card - Dual RJ45 10GBase-T/Gigabit - Broadcom BCM57416 Chipset - Windows & Linux (PR210B-NETWORK-CARD)
  • Brand: StarTech
  • Series: PR210B-NETWORK-CARD
  • Type: Desktop
  • Standards: IEEE 802.1q (VLAN tagging)
  • Model #: PR210B-NETWORK-CARD
SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
Quick View
SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Supports Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 0.35
  • Model #: SD-PEX15022