CR309 is a SuperSpeed USB3.0 3-Slot Card Reader offers an easy solution to access and protect your memory cards, including SD, SDHC, SDXC, Micro SD/SDHC/SDXC and CompactFlash cards. Capable of being plugged directly into the USB port on any desktop or notebook computer, you can easily transfer files from your memory cards to your computer at SuperSpeed up to 5Gbps.

Built-in storage case for memory cards
Built-in storage case for 3 different size cards: SD, MicroSD and CF, that can protect your valuable memory cards from damage or loss.

Built-in and foldable USB cable
Convenient for storage or travel, you can fold the USB cable when not in use, and no need to worry loss of USB cable.

Plug & Play, hot-swappable
It’s driverless and plug & play, makes for easy installation and no software is needed, Windows and Mac compatible.

SuperSpeed USB interface up to 5Gbps
10 times faster than USB 2.0, make it faster to transfer large file or the high definition movie, also backwards compatible with USB 2.0.

Features

• 3 Slot Card Reader with memory cards storage case
• Supported SD, SDHC, SDXC, microSD, microSDHC, microSDXC and CF Cards
• Built-in and foldable USB cable, convenient for storage or travel
• Built-in storage space for 3 different size cards, protect cards from damage or loss
• SuperSpeed USB 3.0 interface up to 5Gbps
• Backwards compatible with USB 2.0
• LED indicator for memory card read and write activity
• Plug and Play, no driver software required
• USB powered, no external power required
• Compatible with Windows and Mac

Specifications

• Transfer rates: SuperSpeed up to 5Gbps
• SD Slot: SDXC, SDHC, SD, MMC, RS-MMC
• MicroSD Slot: Micro SD, Micro SDXC, Micro SDHC, UHS-I
• CF Slot: CompactFlash Type I
• Storage Case: 1x SD, 1x MicroSD, 1xCF
• Dimensions: 81x53x15mm
• Weight: 45g
• Power/activity LED: Yes
• Material: ABS plastic
• Operational temperature: 0 – 45°C 
• Working humidity: <85%
• System Requirements: Compatible with Windows and Mac