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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Number of Ports	Maximum Data Rate	Interface Type	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Interface Modules RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply TEL0190 DFRobot 1: $24.90 8In Stock 50On Order New Product	Mfr. Part # TEL0190 Mouser Part # 426-TEL0190 New Product	DFRobot	Interface Modules RainbowLink V2: 4-Channel Isolated USB to Serial Converter (RS485/RS232/Dual TTL) with Built-in 12V Power Supply Learn More about DFRobot tel0190 debugging workstation		8In Stock 50On Order On Order Ship Dates Mfr. #: TEL0190 Stock: 8 Can Ship Immediately On Order: 8 Expected 11/2/2026 20 Expected 11/9/2026 10 Expected 11/20/2026 12 Expected 11/26/2026 Factory Lead-Time: 8 Weeks	$24.90	Min.: 1 Mult.: 1		Protocol Converter Module	4 Channel		USB		5 V			RainbowLink	Bulk
Interface Modules USB TO 1-port RS485 Db9 Connector ES-U-2001C Connective Peripherals 1: $84.85 3In Stock	Mfr. Part # ES-U-2001C Mouser Part # 734-ES-U-2001B	Connective Peripherals	Interface Modules USB TO 1-port RS485 Db9 Connector	Datasheet	3In Stock	$84.85 $62.83 $58.76 $54.80 View $51.22 Quote	Min.: 1 Mult.: 1	Converters	USB to RS-422/RS-485	1 Port	1 Mb/s	RS-422/485, USB			0 C	+ 55 C	ES-U-2001	Bulk
Interface Modules USB-Optical Isolated Quad RS-422/485 Adpt ES-U-2104-M Connective Peripherals 1: $307.30 5In Stock	Mfr. Part # ES-U-2104-M Mouser Part # 734-ES-U-2104-M	Connective Peripherals	Interface Modules USB-Optical Isolated Quad RS-422/485 Adpt	Datasheet	5In Stock	$307.30 $292.48 $276.63	Min.: 1 Mult.: 1	Converters	USB to RS-422/485	4 Port	1 Mb/s	RS-422/485, USB	5 V	5 V	0 C	+ 55 C	ES-U-2104	Bulk
Interface Modules Hi-speed USB to 2 pt Serial RS232 Adapter USB2-H-1002 Connective Peripherals 1: $72.29 24In Stock	Mfr. Part # USB2-H-1002 Mouser Part # 734-USB2-H-1002	Connective Peripherals	Interface Modules Hi-speed USB to 2 pt Serial RS232 Adapter	Datasheet	24In Stock	$72.29 $63.51 $60.18 $56.70 View $54.00 Quote	Min.: 1 Mult.: 1	Adapters	USB 2.0 to RS-232	2 Port	480 Mb/s	RS-232, USB 2.0	5 V	5 V	- 40 C	+ 85 C	USB2-H-100	Bulk
Interface Modules USB 2 0 Isolator U1-USB-ISOLATOR StarTech 1: $69.71 320In Stock New Product	Mfr. Part # U1-USB-ISOLATOR Mouser Part # 16-U1-USB-ISOLATOR New Product	StarTech	Interface Modules USB 2 0 Isolator	Datasheet	320In Stock	$69.71 $69.54 $69.48 $69.38	Min.: 1 Mult.: 1											Bulk
Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card PCOA-G4-S4-0A Samtec 1: $4,423.28 5In Stock	Mfr. Part # PCOA-G4-S4-0A Mouser Part # 200-PCOA-G4-S4-0A	Samtec	Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card Learn More about Samtec firefly micro flyover system		5In Stock	$4,423.28 View Quote	Min.: 1 Mult.: 1	Optical Transceivers	PCIe								PCOA	Bulk
Interface Modules Gigabit USB-C Ethernet Adapter with USB-A Adapter C21GA-USB-ETHERNET StarTech 1: $46.97 41In Stock New Product	Mfr. Part # C21GA-USB-ETHERNET Mouser Part # 16-C21GA-USBETHERNET New Product	StarTech	Interface Modules Gigabit USB-C Ethernet Adapter with USB-A Adapter	Datasheet	41In Stock	$46.97 $41.56 $39.32 $37.44 View $35.65 $33.43	Min.: 1 Mult.: 1	Adapters	Ethernet Adapter	1 Port	2.5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules High-Speed 2500V Multi-Rate Industrial USB 2.0 Isolator (480Mbps) FIT1019 DFRobot 1: $33.63 84In Stock 268On Order New Product	Mfr. Part # FIT1019 Mouser Part # 426-FIT1019 New Product	DFRobot	Interface Modules High-Speed 2500V Multi-Rate Industrial USB 2.0 Isolator (480Mbps)		84In Stock 268On Order On Order Ship Dates Mfr. #: FIT1019 Stock: 84 Can Ship Immediately On Order: 57 Pending 71 Expected 11/20/2026 140 Expected 11/26/2026 Factory Lead-Time: 8 Weeks	$33.63	Min.: 1 Mult.: 1			1 Port	480 Mb/s	USB			- 40 C	+ 85 C		Bulk
Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card PCOA-G4-D4-0A Samtec 1: $4,993.84 3In Stock	Mfr. Part # PCOA-G4-D4-0A Mouser Part # 200-PCOA-G4-D4-0A	Samtec	Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card Learn More about Samtec firefly micro flyover system		3In Stock	$4,993.84 View Quote	Min.: 1 Mult.: 1	Optical Transceivers	PCIe								PCOA	Bulk
Interface Modules Single bay SD Express to USB C 10Gbps Adapter 8 cable 1B-USB-C-SDE-ADAPTER StarTech 1: $73.13 5In Stock New Product	Mfr. Part # 1B-USB-C-SDE-ADAPTER Mouser Part # 16-1BUSBCSDE-ADAPTER New Product	StarTech	Interface Modules Single bay SD Express to USB C 10Gbps Adapter 8 cable	Datasheet	5In Stock	$73.13 $64.87 $61.85 $59.66 $57.55	Min.: 1 Mult.: 1											Bulk
Interface Modules USB 3 2 Gen 1x1 Type C to 2 5GBASE T Ethernet Adapter with 1 2GPD3-USB-C-ETHERNET StarTech 1: $53.94 19In Stock New Product	Mfr. Part # 2GPD3-USB-C-ETHERNET Mouser Part # 16-2GPD3USBCETHERNET New Product	StarTech	Interface Modules USB 3 2 Gen 1x1 Type C to 2 5GBASE T Ethernet Adapter with 1 Learn More about StarTech interface modules	Datasheet	19In Stock	$53.94 $47.76 $45.50 $43.33 View $41.27 $38.69	Min.: 1 Mult.: 1	Adapters	Ethernet Adapter	1 Port	5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules USB C 2 5G Ethernet Adapter C22G-USB-ETHERNET StarTech 1: $47.17 38In Stock New Product	Mfr. Part # C22G-USB-ETHERNET Mouser Part # 16-C22G-USB-ETHERNET New Product	StarTech	Interface Modules USB C 2 5G Ethernet Adapter Learn More about StarTech interface modules	Datasheet	38In Stock	$47.17 $40.69 $38.30 $36.47 View $34.73 $32.56	Min.: 1 Mult.: 1	Adapters	Ethernet Adapter	1 Port	2.5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules 4-Port PCIe Quad Controller 10Gbps USB-C Card - Low-Profile P10Q4C-USB-CARD-LP StarTech 1: $344.10 3In Stock New Product	Mfr. Part # P10Q4C-USB-CARD-LP Mouser Part # 16-P10Q4CUSB-CARD-LP New Product	StarTech	Interface Modules 4-Port PCIe Quad Controller 10Gbps USB-C Card - Low-Profile	Datasheet	3In Stock	$344.10 $327.51 $315.63	Min.: 1 Mult.: 1											Bulk
Interface Modules 2 5G USB Type C Ethernet Adapter w USB A Adapter U2GA-USB-C-ETHERNET StarTech 1: $45.99 19In Stock 101Expected 10/30/2026 New Product	Mfr. Part # U2GA-USB-C-ETHERNET Mouser Part # 16-U2GA-USBCETHERNET New Product	StarTech	Interface Modules 2 5G USB Type C Ethernet Adapter w USB A Adapter Learn More about StarTech interface modules	Datasheet	19In Stock 101Expected 10/30/2026	$45.99 $40.53 $38.84 $36.91 View $35.01 $33.02	Min.: 1 Mult.: 1	Ethernet Adapters	Network Adapter	2 Port	5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules RainbowLink 4 Channel USB to Serial Converter (RS485 / RS232 / TTL) TEL0185 DFRobot 1: $12.90 44In Stock New Product	Mfr. Part # TEL0185 Mouser Part # 426-TEL0185 New Product	DFRobot	Interface Modules RainbowLink 4 Channel USB to Serial Converter (RS485 / RS232 / TTL) Learn More about DFRobot tel0185 converter		44In Stock	$12.90	Min.: 1 Mult.: 1	Interface Modules				USB						Bulk
Interface Modules 16-Port Ethernet I/O Card Lantronix FRETH1601 FRETH1601 Lantronix 1: $1,507.19 1In Stock	Mfr. Part # FRETH1601 Mouser Part # 515-FRETH1601	Lantronix	Interface Modules 16-Port Ethernet I/O Card		1In Stock	$1,507.19	Min.: 1 Mult.: 1											Bulk
Interface Modules CONVERTER BOX Molex 1201110002 1201110002 Molex 1: $624.62 4In Stock	Mfr. Part # 1201110002 Mouser Part # 538-1201110002	Molex	Interface Modules CONVERTER BOX	Datasheet	4In Stock	$624.62	Min.: 1 Mult.: 1										120111	Bulk
Interface Modules Quad QSFP FMC+ Card, Industrial grade iW-FMC-QSFP04-I1 iWave Global 1: $1,118.00 4In Stock 7On Order	Mfr. Part # iW-FMC-QSFP04-I1 Mouser Part # 136-IW-FMC-QSFP04-I1	iWave Global	Interface Modules Quad QSFP FMC+ Card, Industrial grade Learn More about iWave Global pcie gen4 x8 fmc module	Datasheet	4In Stock 7On Order	$1,118.00	Min.: 1 Mult.: 1	Optical Transceivers	QSFP28/QSFP+	4 Port	400 Gb/s		3.3 V, 12 V	3.3 V, 12 V	- 40 C	+ 85 C	iG-FMC	Bulk
Interface Modules PCI Express to 4 PCIe Expansion Enclosure System 4PCIE-PCIE-ENCLOSURE StarTech 1: $538.96 5In Stock New At Mouser	Mfr. Part # 4PCIE-PCIE-ENCLOSURE Mouser Part # 16-4PCIEPCEENCLOSURE New At Mouser	StarTech	Interface Modules PCI Express to 4 PCIe Expansion Enclosure System	Datasheet	5In Stock	$538.96 $538.95	Min.: 1 Mult.: 1											Bulk
Interface Modules 2-port RS232 to Ethernet Device Server I23-SERIAL-ETHERNET StarTech 1: $321.05 5In Stock New At Mouser	Mfr. Part # I23-SERIAL-ETHERNET Mouser Part # 16-I23SERIALETHERNET New At Mouser	StarTech	Interface Modules 2-port RS232 to Ethernet Device Server	Datasheet	5In Stock	$321.05 $305.57 $294.49	Min.: 1 Mult.: 1	Ethernet Adapters	Serial Converter	2 Port	921.6 Kbps	Serial	100 VAC	240 VAC	0 C	+ 60 C		Bulk
Interface Modules PCIe 2 0 x1 Dual Open SFP Gigabit Network Converter Card I P021GI-NETWORK-CARD StarTech 1: $205.34 10In Stock New At Mouser	Mfr. Part # P021GI-NETWORK-CARD Mouser Part # 16-P021GINETWORKCARD New At Mouser	StarTech	Interface Modules PCIe 2 0 x1 Dual Open SFP Gigabit Network Converter Card I	Datasheet	10In Stock	$205.34 $182.85 $174.35 $170.96	Min.: 1 Mult.: 1											Bulk
Interface Modules HDMI Over Fiber Extender 4k60Hz 18Gbps 4 4 4 ST121HD20FXA2 StarTech 1: $751.62 3In Stock New At Mouser	Mfr. Part # ST121HD20FXA2 Mouser Part # 16-ST121HD20FXA2 New At Mouser	StarTech	Interface Modules HDMI Over Fiber Extender 4k60Hz 18Gbps 4 4 4	Datasheet	3In Stock	$751.62 $701.05	Min.: 1 Mult.: 1											Bulk
Interface Modules 10 100 1000 BASE T over VDSL2 LAN Extender 1 km VDSL-LAN-EXTENDER-1G StarTech 1: $667.28 3In Stock New At Mouser	Mfr. Part # VDSL-LAN-EXTENDER-1G Mouser Part # 16-VDSLLANEXTENDER1G New At Mouser	StarTech	Interface Modules 10 100 1000 BASE T over VDSL2 LAN Extender 1 km	Datasheet	3In Stock	$667.28 $632.80	Min.: 1 Mult.: 1											Bulk
Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card PCOA-G3-S4-0A Samtec 1: $3,317.81 2In Stock	Mfr. Part # PCOA-G3-S4-0A Mouser Part # 200-PCOA-G3-S4-0A	Samtec	Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card Learn More about Samtec firefly micro flyover system		2In Stock	$3,317.81 View Quote	Min.: 1 Mult.: 1	Optical Transceivers	PCIe								PCOA	Bulk
Interface Modules Anybus PROFINET slave - EtherCAT slave ABC4020-A HMS Networks 1: $955.00 4In Stock	Mfr. Part # ABC4020-A Mouser Part # 898-ABC4020-A	HMS Networks	Interface Modules Anybus PROFINET slave - EtherCAT slave	Datasheet	4In Stock	$955.00	Min.: 1 Mult.: 1											Bulk