Serial

Brainboxes PX-260. Host interface: PCIe, Connector(s): DB9. Width: 3.74" (95 mm), Depth: 0.787" (20 mm), Height: 3.15" (80 mm)

Digi 70001999

StarTech.com ICUSB234854I. Host interface: USB 2.0 Type-B, Hub interfaces: Serial. Product color: Black, Housing material: Steel, LED indicators: Power. Output voltage: 12 V, Output current: 1 A, Power plug type: Type N. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High..., Server operating systems supported: Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows.... Width: 4.57" (116 mm), Depth: 5.04" (128 mm), Height: 0.984" (25 mm)

StarTech.com ICUSB2328. Host interface: USB 2.0 Type-B, Hub interfaces: Serial. Product color: Silver, Housing material: Plastic. Output voltage: 5 V, Output current: 1 A, Power plug type: Type M. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64,..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High.... Width: 2.62" (66.5 mm), Depth: 5.91" (150 mm), Height: 1.02" (26 mm)

C2G Lava Octopus 16550 DB9 Serial Card PCI 8-Port. Host interface: PCI. Weight (imperial): 1.44 lbs

Brainboxes Ethernet/RS-232 Adapter. Connectivity technology: Wired, Host interface: RS-232, Interface: Ethernet. Maximum data transfer rate: 1 Mbit/s. Product color: Multicolor

Brainboxes ES-257. Connectivity technology: Wired, Host interface: RS-232, Interface: Ethernet. Maximum data transfer rate: 100 Mbit/s. Product color: Multicolor

C2G Lava Quattro-PCI Quad 16550 DB9 Serial Card PCI 4-Port. Host interface: PCI. Connectivity technology: Wired, Weight (imperial): 0.5 lbs

Digi Edgeport 1i. Connector 1: USB Type A, Connector 2: RS-422/485

Brainboxes PX-235-001. Host interface: PCIe. Width: 5.12" (130 mm), Depth: 0.787" (20 mm), Height: 3.15" (80 mm)

StarTech.com ICUSB2324I. Host interface: USB 2.0 Type-B, Hub interfaces: Serial. Product color: Black, Housing material: Steel, LED indicators: Activity. Power source type: USB, Power plug type: Type M. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 2.32" (59 mm), Depth: 70.4" (1788 mm), Height: 0.906" (23 mm)

Black Box IC1000A. Weight: 3.53 oz (100 g), Dimensions (WxDxH): 1.73 x 2.01 x 0.787" (44 x 51 x 20 mm)

Epson Serial Interface Board - Type-B. Connectivity technology: Wired

StarTech.com PEX4S953. Host interface: PCIe, Output interface: Serial, Expansion card form factor: Full-height / Low-profile. Product color: Green, Mean time between failures (MTBF): 214358 h, Certification: CE, FCC, Microsoft WHQL. Chipset: Asix AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 2.48" (63 mm), Depth: 2.95" (75 mm), Height: 0.591" (15 mm)

StarTech.com PEX4S953LP. Host interface: PCIe, Output interface: Serial, Expansion card standard: PCIe 1.1. Product color: Green, Mean time between failures (MTBF): 214358 h, Certification: CE, FCC. Chipset: Asix AX99100, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows.... Width: 2.95" (75 mm), Depth: 2.48" (63 mm), Height: 0.709" (18 mm)

StarTech.com ICUSB2324. Host interface: USB, Hub interfaces: Serial. Product color: Silver, Housing material: Plastic, Certification: CE, FCC, RoHS. Power consumption (typical): 1 W, Power consumption (max): 1.5 W. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.6 Snow..., Other operating systems supported: Windows XP Embedded. Width: 2.62" (66.5 mm), Depth: 5.91" (150 mm), Height: 1.02" (26 mm)

C2G Lava Serial550 - DB9 Serial. Host interface: Serial. Product color: Multicolor. Data transfer rate: 0.1152 Mbit/s, Connectivity technology: Wired, Weight (imperial): 0.240 lbs

StarTech.com ICUSB2324852. Host interface: USB Type-B, Output interface: Serial, Serial interface type: RS-232/422/485. Product color: Gray, LED indicators: Power. Chipset: FTDI - FT2232H, Baud rate: 921.6 Kbit/s, FIFO (First In, First Out): 128 B. Output voltage: 5 V. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High..., Server operating systems supported: Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows...