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Brainboxes US-257 2 Port RS232 USB to Serial Adapter- Changer Type: USB to DB9 (RS-232)
- Specifications: Host Interface: USB
Ports: 2 x 9-pin DB-9 Male RS-232 Serial
Operating Distance: EIA - RS232 Standard
Cable: USB cable
Platform Support: PC
PCB Layers: 4
Power Consumption: 100mA @ 3.3V
Operating Systems:
Microsoft Windows 7 32 bit & 64 bit Editions
Windows Vista 32 bit & 64 bit Editions
Windows XP 32 bit & 64 bit Editions
Form Factor: External
Dimensions: 3.94" x 4.13" x 1.02"
Weight (Approximate): 13.58 oz
- Connector A: 1x USB
- Connector B: 2x DB-9 male
- Model #: US-257
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- HKD$1,037.50 –
- HKD$174.36 Shipping

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C2G 26914 USB-C Hub with USB-A, USB-C and Power Delivery, Black- Type: USB-C Hub with USB-A, USB-C and Power Delivery
- Color: Black
- Cable Length: 5 in.
- Specifications: The USB-C Hub with USB-A, USB-C and Power Delivery expands USB capabilities by providing two USB-A ports and two USB-C ports for connecting peripherals to a single USB-C port. This hub connects to a USB-C or Thunderbolt 3 enabled laptop, tablet, or desktop computer and features USB-C power delivery, making it ideal for charging mobile devices or transferring data while in the office or on the road.
Convenience
Small, lightweight and portable, the hub is easily stored in a laptop case or pocket. With a transfer rate up to 5Gbps, it is fully USB 3.0 (USB 3.1 Gen 1) compliant, backwards compatible with USB 2.0 and USB 1.1 devices, and supports all USB peripherals, including keyboards and mice, smartphones, tablets, and other USB devices.
Per...
- Model #: 26914

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C2g Usb C Ethernet Adapter With Power - White- Type: USB-C Adapters
- Color: White
- Changer Type: USB-C to Ethernet / USB-C
- Specifications: The USB-C to Ethernet Adapter with Power Delivery is an ideal solution for wired network connectivity and data transfer on the go, in the office, or any work space while having the ability to simultaneously charge a mobile device. This adapter connects to a USB-C or Thunderbolt 3 enabled laptop, tablet, or desktop computer and features an Ethernet port and a USB Type-C port with power delivery.
Convenience
The small form factor of this adapter makes it a portable and convenient solution that provides a Gigabit Ethernet port for a wired internet connection and a USB Type-C port with power delivery. The adapter is perfect for connecting to networks where Wi-Fi® is unavailable or for computers that do not provide a wired Ethernet port or possibly have a ...
- Model #: 29748
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- HKD$377.12 –
- HKD$360.61 Shipping

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C2g Usb C Hub With Ethernet - 3-Port Usb Hub- Type: USB-C Adapters
- Color: White
- Changer Type: USB-C to Ethernet / USB-A
- Specifications: The USB-C to Ethernet Adapter with 3-Port Hub is an ideal solution for wired network connectivity and data transfer on the go, in the office, or any work space. This adapter connects to a USB-C or Thunderbolt 3 enabled laptop, tablet, or desktop computer and features an Ethernet port and three USB 3.0 ports.
Convenience
The small form factor of this adapter makes it a portable and convenient solution that provides a Gigabit Ethernet port for a wired internet connection and three USB 3.0 ports to connect peripheral devices. The adapter is perfect for connecting to networks where Wi-Fi® is unavailable or for computers that do not provide a wired Ethernet port or possibly have a damaged Ethernet port.
Performance
The Ethernet port allows for reliable in...
- Model #: 29746

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VANTEC CB-STU3-2PB USB 3.0 to 2.5" SATA HDD Adapter with Case- Color: Black
- Cable Length: 5.75"
- Changer Type: USB to SATA
- Specifications: Adapter:
Device Support: SATA III/II/I SSD/HDD
Device Size: 2.5" SSD/HDD
SATA Interface: Standard SATA
USB Interface: USB 3.0 Type A (Backwards Compatible with USB 2.0)
HDD Capacity: Up to 2TB (Check www.vantecusa.com for any updates)
Material: Plastic
Power: USB Bus Powered
Casing:
Device Support: SATA III/II/I SSD/HDD
Device Size: 2.5", Thickness: 9.5mm
Material: Plastic
System Requirements:
Microsoft Windows XP, Vista, 7, 8.1, 10
Mac OS X v10.4 and Up
USB 3.0 or 2.0 Equipped System
For USB 3.0 Speeds, the System Must Support USB 3.0 Specification
For UASP, the OS must have Support for UASP Protocol
- Model #: CB-STU3-2PB
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- HKD$317.99 –
- HKD$548.25 Shipping

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VANTEC CB-ST00U3 NexStar USB 3.0 To SATA 6 Gbps Optical / Storage Adapter- Color: Black
- Cable Length: 18"
- Changer Type: USB to SATA
- Specifications: Supported Devices: SATA Blu-ray/DVDRW/DVD ROM/CDRW/CD ROM, SSDs, Hard Drives
HDD Capacity: Maximum capacity, Check www.vantecusa.com for latest update on capacity
Drive Size: 5.25”, 3.5", and 2.5"
Power Supply: 12V, 2A AC Adapter
- Model #: CB-ST00U3
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- HKD$362.99 –
- HKD$548.25 Shipping

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Killer E3100 USB-C 3.1 to RJ-45 2.5Gbps Ethernet Adapter- Type: Ethernet Adapter
- Color: Black
- Features: First USB-C 3.1 to RJ-45 2.5 Gbps Ethernet Adapter designed for gamers and performance-minded PC users. Ideal for thin and light notebooks without Ethernet jack.
Built For Gaming: Enjoy up to 75% lower latency when gaming while your computer is multitasking online because the Killer Prioritization Engine that automatically detects, classifies, and prioritizes gaming traffic
Ideal for voice and video calls: Killer ensures your communication networking packets are prioritized over less urgent download, browsing, and update traffic.
Designed to work with Windows 10 for blazing fast 2.5 Gbps Ethernet speeds that is simple to use – just plug it in and it works.
- Model #: KILLERE3100USB