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Small black USB 2.0 card reader with multiple memory card slots

Nippon Labs

Nippon Labs VCR-339-BK USB 2.0 card reader

SKU CH-Y3NC-MNJ3Q MPN VCR-339-BK

External USB 2.0 card reader supporting SDHC, SD, MMC and microSD formats without external power

  • Interface typeUSB 2.0
  • Installation typeExternal
  • Product colorBlack
  • Key featuresSupports USB 2.0 No external power required Convenient for c
  • Reads many card formats including SDHC and Micro SD
  • Connects via USB 2.0 with no external power needed
  • Works with Windows 98 through Windows 7 and Mac OS 9.0+
  • Compact slim design makes it easy to carry
  • Plug-and-play operation requires no driver installation

Compact external card reader

The Nippon Labs VCR-339-BK is an external USB 2.0 card reader finished in black. It connects to a PC or Mac without drivers and draws power directly from the USB port. The slim form factor makes it easy to carry in a laptop bag or pocket. Photographers and office workers who move SD and MMC media between devices will find it practical.

Broad legacy card support

The single specification that decides suitability is the list of supported card formats. The reader accepts SDHC, SD, MMC II, RS MMC, Ultra II SD, Extreme SD, Extreme III SD, MiniSD, MMC Micro, Micro SD and T-Flash with an adapter. It does not support newer formats such as SDXC or UHS-II, so buyers needing those speeds should look elsewhere.

Passive thermal profile

No external power supply is required and the unit has no fan, so it runs silently and adds negligible heat to a workstation. Power draw is limited to what a standard USB 2.0 port can deliver. The manufacturer notes high temperature resistance for the casing, indicating stable operation during extended file transfers.

How it compares

Measured against everything we stock in USB & Internal Card Readers, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 83% of the 511 comparable items (median $18.99).

Specifications

Product
Brand nameNippon Labs
Model nameVCR-339-BK
Product colorBlack
Ports & slots
Interface typeUSB 2.0
Size & build
Shipping weight0.01 kg
Package size113 × 79 × 22 mm
Compatibility
Support - SDYes
More details
Installation typeExternal

Questions about this item

How fast will the USB 2.0 connection actually move data from my SDHC card?

The USB 2.0 interface limits transfer speed to the bus maximum, so large SDHC cards will read and write at USB 2.0 rates rather than their own rated speed.

Does the reader need a driver on Windows 7 or macOS 9.0?

The device is plug-and-play on Windows 98 through Windows 7 and on Mac OS 9.0 or higher, so no separate driver installation is required.

How much space does the external reader take on a desk or in a bag?

It is a super-mini, slim black unit with no external power brick, making it easy to carry and leaving a very small footprint.

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