Delkin Universal Card Reader Review DDREADER-42

Introduction

The Delkin Universal Card Reader DDREADER-42 provides support for five memory card types: SD, microSD, CompactFlash, xD and Memory Stick. It supports CF cards up to UDMA 7 and SD, SDHC and SDXC cards including UHS-I.

The Universal reader has a grey plastic case . The card slots are recessed on one side of the reader. The blue LED on the top of the reader illuminates when reader is plugged into a USB port even with no card present. The light blinks when a card is being accessed. The reader measures about 4 by 2 1/4 by 3/4 inches.

Secure Digital and microSD card slots work smoothly. The CompactFlash card aligment tracks help guide the card and CF cards seat firmly onto the pins.

Four rubber feet on the bottom help to prevent the reader from sliding. The product name, model number and "Made in Taiwan" are molded into the plastic on the bottom of the reader.

The back of the reader has a USB 3.0 Micro-B port. The included USB cable measures about 36 inches.

Performance

The DDREADER-42 CompactFlash transfer speed using UDMA 7 cards was up to 156.6 MB/s read and 139.6 MB/s write. Secure Digital UHS-I cards measured up to 96.5 MB/s read and 93.5 MB/s write. The reader does not support UHS-II, but these cards operate in UHS-I mode and will work in the reader at UHS-I speed.

The microSD slot in the reader was limited to about 43MB/s read and write, however when microSD cards are used in an adapter in the full-size SD slot they provide better performance. It would appear the microSD slot does not support SDR104, while the full-size SD slot does. All microSD cards in the results below were tested using the full-size SD slot.

Reader: Delkin Universal Memory Card Reader
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 10 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

Compatible operating systems include Windows 2000 (SP4), ME, XP, Vista, 7 and Max OS 9 or later. The Delkin Universal Reader has a five-year warranty.

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