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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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 1-Port USB to RS-422/485 with max 3M baud; 25kV ESD Protection, Metal case, 5V DC PSU USBC-H-422/485-M PRO Connective Peripherals 1: HK$1,550.62 5In Stock	Mfr. Part No. USBC-H-422/485-M PRO Mouser Part No 734-USBCH422/485MPRO	Connective Peripherals	Interface Modules 1-Port USB to RS-422/485 with max 3M baud; 25kV ESD Protection, Metal case, 5V DC PSU Learn More about Connective Peripherals usbc h 422 485 m	Datasheet	5In Stock	HK$1,550.62 HK$1,444.17 HK$1,366.41 HK$1,301.23 Quote Quote	Min.: 1 Mult.: 1	Adapters				USB			0 C	+ 70 C
Interface Modules Gigabit USB-C Ethernet Adapter with USB-A Adapter C21GA-USB-ETHERNET StarTech 1: HK$380.26 41In Stock New Product	Mfr. Part No. C21GA-USB-ETHERNET Mouser Part No 16-C21GA-USBETHERNET New Product	StarTech	Interface Modules Gigabit USB-C Ethernet Adapter with USB-A Adapter	Datasheet	41In Stock	HK$380.26 HK$336.61 HK$319.92 HK$307.18 View HK$293.04 HK$274.79	Min.: 1 Mult.: 1	Adapters	Ethernet Adapter	1 Port	2.5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules 2 5G USB Type C Ethernet Adapter w USB A Adapter U2GA-USB-C-ETHERNET StarTech 1: HK$378.04 120In Stock New Product	Mfr. Part No. U2GA-USB-C-ETHERNET Mouser Part No 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	120In Stock	HK$378.04 HK$333.16 HK$319.26 HK$303.40 View HK$287.78 HK$271.42	Min.: 1 Mult.: 1	Ethernet Adapters	Network Adapter	2 Port	5 Gbps	RJ45			0 C	+ 45 C		Bulk
Interface Modules I2C Hub 1 to 6 Expansion Unit v2.1 w/ DIP Switch (PCA9548A) U040-B-V21 M5Stack 1: HK$48.91 377In Stock New Product	Mfr. Part No. U040-B-V21 Mouser Part No 170-U040-B-V21 New Product	M5Stack	Interface Modules I2C Hub 1 to 6 Expansion Unit v2.1 w/ DIP Switch (PCA9548A) Learn More about M5Stack unit pahub v2 1 module	Datasheet	377In Stock	HK$48.91	Min.: 1 Mult.: 1	Interface Modules	Multiplexer Unit	6 Port		I2C			0 C	+ 40 C
Interface Modules 2-Port PCI Express 10GBase-T Ethernet Network Card, Broadcom BCM57416 Chip, TAA PR210B-NETWORK-CARD StarTech 1: HK$4,847.75 8In Stock New Product	Mfr. Part No. PR210B-NETWORK-CARD Mouser Part No 179-PR210BNETWORKCAR New Product	StarTech	Interface Modules 2-Port PCI Express 10GBase-T Ethernet Network Card, Broadcom BCM57416 Chip, TAA	Datasheet	8In Stock	HK$4,847.75 HK$4,423.26	Min.: 1 Mult.: 1	Ethernet Network Cards		2 Port	10 Gb/s, 20 Gb/s	RJ45			0 C	+ 55 C
Interface Modules High-Speed 2500V Multi-Rate Industrial USB 2.0 Isolator (480Mbps) FIT1019 DFRobot 1: HK$276.44 137In Stock 211On Order New Product	Mfr. Part No. FIT1019 Mouser Part No 426-FIT1019 New Product	DFRobot	Interface Modules High-Speed 2500V Multi-Rate Industrial USB 2.0 Isolator (480Mbps)		137In Stock 211On Order On Order Ship Dates Mfr. No: FIT1019 Stock: 137 Can Dispatch Immediately On Order: 71 Expected 20/11/2026 140 Expected 27/11/2026 Factory Lead Time: 8 Weeks	HK$276.44	Min.: 1 Mult.: 1			1 Port	480 Mb/s	USB			- 40 C	+ 85 C		Bulk
Interface Modules HDBaseT-USB3 over Cat6a Extender Kit, 4 USB-A 3.2 Gen 1 Ports, PoC, RS-232, Up to 328 ft. (100 m), TAA BHDBT3-USB Eaton 1: HK$4,833.61 8In Stock New Product	Mfr. Part No. BHDBT3-USB Mouser Part No 545-BHDBT3-USB New Product	Eaton	Interface Modules HDBaseT-USB3 over Cat6a Extender Kit, 4 USB-A 3.2 Gen 1 Ports, PoC, RS-232, Up to 328 ft. (100 m), TAA Learn More about Eaton tripp lite hdbaset usb3 cat6a extender kit	Datasheet	8In Stock	HK$4,833.61 HK$4,672.41 HK$4,285.74	Min.: 1 Mult.: 1	Extender Kits		4 Port	5 Gb/s	USB			0 C	+ 40 C
Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card PCOA-G4-Q4-0A Samtec 1: HK$53,787.49 2In Stock	Mfr. Part No. PCOA-G4-Q4-0A Mouser Part No 200-PCOA-G4-Q4-0A	Samtec	Interface Modules PCI Express(R)-Over-Fiber FireFly(TM) Adaptor Card Learn More about Samtec firefly micro flyover system		2In Stock	HK$53,787.49 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: HK$601.13 5In Stock New Product	Mfr. Part No. 1B-USB-C-SDE-ADAPTER Mouser Part No 16-1BUSBCSDE-ADAPTER New Product	StarTech	Interface Modules Single bay SD Express to USB C 10Gbps Adapter 8 cable	Datasheet	5In Stock	HK$601.13 HK$533.23 HK$508.41 HK$490.41 HK$473.06	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: HK$443.39 19In Stock New Product	Mfr. Part No. 2GPD3-USB-C-ETHERNET Mouser Part No 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	HK$443.39 HK$392.59 HK$374.01 HK$356.17 View HK$339.24 HK$318.03	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: HK$387.74 38In Stock 30Expected 1/12/2026 New Product	Mfr. Part No. C22G-USB-ETHERNET Mouser Part No 16-C22G-USB-ETHERNET New Product	StarTech	Interface Modules USB C 2 5G Ethernet Adapter Learn More about StarTech interface modules	Datasheet	38In Stock 30Expected 1/12/2026	HK$387.74 HK$334.47 HK$314.83 HK$299.78 View HK$285.48 HK$267.64	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: HK$2,828.50 3In Stock New Product	Mfr. Part No. P10Q4C-USB-CARD-LP Mouser Part No 16-P10Q4CUSB-CARD-LP New Product	StarTech	Interface Modules 4-Port PCIe Quad Controller 10Gbps USB-C Card - Low-Profile	Datasheet	3In Stock	HK$2,828.50 HK$2,692.13 HK$2,594.48	Min.: 1 Mult.: 1											Bulk
Interface Modules ATOMIC Motion Base v1.2 A090-V12 M5Stack 1: HK$69.87 106In Stock New Product	Mfr. Part No. A090-V12 Mouser Part No 170-A090-V12 New Product	M5Stack	Interface Modules ATOMIC Motion Base v1.2 Learn More about M5Stack atomic motion base v1 2	Datasheet	106In Stock	HK$69.87	Min.: 1 Mult.: 1	Expansion Modules	Servo and DC Motor						0 C	+ 40 C
Interface Modules USB4 M.2 NVMe Enclosure, 40Gbps, External USB-C/Thunderbolt NVMe SSD Enclosure 1USB4-NVME-ENCLOSURE StarTech 1: HK$1,108.96 10In Stock New Product	Mfr. Part No. 1USB4-NVME-ENCLOSURE Mouser Part No 179-1USB4NVMEENCLOSU New Product	StarTech	Interface Modules USB4 M.2 NVMe Enclosure, 40Gbps, External USB-C/Thunderbolt NVMe SSD Enclosure	Datasheet	10In Stock	HK$1,108.96 HK$998.89 HK$960.42 HK$928.37 View HK$877.49 Quote	Min.: 1 Mult.: 1	USB Enclosures			40 Gb/s	USB			0 C	+ 40 C
Interface Modules RainbowLink 4 Channel USB to Serial Converter (RS485 / RS232 / TTL) TEL0185 DFRobot 1: HK$106.04 36In Stock 16Expected 23/12/2026 New Product	Mfr. Part No. TEL0185 Mouser Part No 426-TEL0185 New Product	DFRobot	Interface Modules RainbowLink 4 Channel USB to Serial Converter (RS485 / RS232 / TTL) Learn More about DFRobot tel0185 converter		36In Stock 16Expected 23/12/2026	HK$106.04	Min.: 1 Mult.: 1	Interface Modules				USB						Bulk
Interface Modules 4-Port HDMI Splitter - 8K 60 Hz, HDR10+, Multi-Resolution Support, TAA B118-004-8K Eaton 1: HK$1,409.24 5In Stock New Product	Mfr. Part No. B118-004-8K Mouser Part No 545-B118-004-8K New Product	Eaton	Interface Modules 4-Port HDMI Splitter - 8K 60 Hz, HDR10+, Multi-Resolution Support, TAA Learn More about Eaton tripp lite b118 00x 8k hdmi splitters	Datasheet	5In Stock	HK$1,409.24 HK$1,265.30 HK$1,214.01 HK$1,199.30 View Quote	Min.: 1 Mult.: 1	Splitters	HDMI	4 Port		HDMI			0 C	+ 40 C
Interface Modules Eaton Tripp Lite Series 2x1 Bi-Directional HDMI Switch - 4K 60 Hz, HDR, HDCP Passthrough B119-002-BDS Eaton 1: HK$296.00 6In Stock New Product	Mfr. Part No. B119-002-BDS Mouser Part No 545-B119-002-BDS New Product	Eaton	Interface Modules Eaton Tripp Lite Series 2x1 Bi-Directional HDMI Switch - 4K 60 Hz, HDR, HDCP Passthrough	Datasheet	6In Stock	HK$296.00 HK$262.46 HK$250.30 HK$241.42 View HK$232.87 HK$224.00	Min.: 1 Mult.: 1	Interface Modules	HDMI Switch	2 Port		HDMI			- 10 C	+ 45 C
Interface Modules CUC-SI-CCM/RJ45-C6A 1484215 Phoenix Contact 1: HK$362.09 13In Stock New Product	Mfr. Part No. 1484215 Mouser Part No 651-1484215 New Product	Phoenix Contact	Interface Modules CUC-SI-CCM/RJ45-C6A Learn More about Phoenix Contact dsi	Datasheet	13In Stock	HK$362.09	Min.: 1 Mult.: 1	Interface Modules	Data Interface	1 Port	10 Gb/s	RJ-45			- 40 C	+ 70 C	DSI
Interface Modules 16-Port Ethernet I/O Card Lantronix FRETH1601 FRETH1601 Lantronix 1: HK$12,389.10 1In Stock	Mfr. Part No. FRETH1601 Mouser Part No 515-FRETH1601	Lantronix	Interface Modules 16-Port Ethernet I/O Card		1In Stock	HK$12,389.10	Min.: 1 Mult.: 1											Bulk
Interface Modules CPU 1512SP F-1 PN, 300KB PROG./1MB DATA Siemens 6ES75121SK010AB0 6ES75121SK010AB0 Siemens 1: HK$40,857.18 1In Stock	Mfr. Part No. 6ES75121SK010AB0 Mouser Part No 982-6ES75121SK010AB0	Siemens	Interface Modules CPU 1512SP F-1 PN, 300KB PROG./1MB DATA		1In Stock	HK$40,857.18	Min.: 1 Mult.: 1
Interface Modules Quad QSFP FMC+ Card, Industrial grade iW-FMC-QSFP04-I1 iWave Global 1: HK$9,189.96 4In Stock 7On Order	Mfr. Part No. iW-FMC-QSFP04-I1 Mouser Part No 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	HK$9,189.96	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 Thunderbolt 3 to 2x PCIe x16 expansion chassis 2TBT3-PCIE-ENCLOSURE StarTech 1: HK$4,854.73 5In Stock New At Mouser	Mfr. Part No. 2TBT3-PCIE-ENCLOSURE Mouser Part No 16-2TBT3PCIENCLOSURE New At Mouser	StarTech	Interface Modules Thunderbolt 3 to 2x PCIe x16 expansion chassis	Datasheet	5In Stock	HK$4,854.73	Min.: 1 Mult.: 1											Bulk
Interface Modules PCI Express to 4 PCIe Expansion Enclosure System 4PCIE-PCIE-ENCLOSURE StarTech 1: HK$4,430.25 5In Stock New At Mouser	Mfr. Part No. 4PCIE-PCIE-ENCLOSURE Mouser Part No 16-4PCIEPCEENCLOSURE New At Mouser	StarTech	Interface Modules PCI Express to 4 PCIe Expansion Enclosure System	Datasheet	5In Stock	HK$4,430.25 HK$4,430.17	Min.: 1 Mult.: 1											Bulk
Interface Modules PCIe 2 0 x1 Dual Open SFP Gigabit Network Converter Card I P021GI-NETWORK-CARD StarTech 1: HK$1,687.89 10In Stock New At Mouser	Mfr. Part No. P021GI-NETWORK-CARD Mouser Part No 16-P021GINETWORKCARD New At Mouser	StarTech	Interface Modules PCIe 2 0 x1 Dual Open SFP Gigabit Network Converter Card I	Datasheet	10In Stock	HK$1,687.89 HK$1,503.03 HK$1,433.16 HK$1,405.29	Min.: 1 Mult.: 1											Bulk
Interface Modules HDMI Over Fiber Extender 4k60Hz 18Gbps 4 4 4 ST121HD20FXA2 StarTech 1: HK$6,178.32 3In Stock New At Mouser	Mfr. Part No. ST121HD20FXA2 Mouser Part No 16-ST121HD20FXA2 New At Mouser	StarTech	Interface Modules HDMI Over Fiber Extender 4k60Hz 18Gbps 4 4 4	Datasheet	3In Stock	HK$6,178.32 HK$5,762.63	Min.: 1 Mult.: 1											Bulk