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Kingston MobileLite G4 Card Reader Review




Need a speedy and compact media card reader? With tday’s demand for faster and smaller data storage, SD cards and micro SD cards are becoming more common in terms of storage data for many different devices from smartphones to action cameras and others in between. It would be handy if you have a card reader with you every time for a faster file transfer from your media card to your computer. If that’s what you need, Kingston got just one for you! Check out the Kingston MobileLite G4 Card Reader which we will be taking a look at today.

About Kingston Technology

In 1987, Kingston® entered the market with a single product. Founders John Tu and David Sun addressed a severe shortage of surface-mount memory chips with a memory module that would serve to redefine industry standards for years to come.

Combining one of the most extensive and stringent testing processes in the memory industry, an exceptional free tech support centre and a consistent roll-out of innovative technologies, Kingston Technology has continually set industry standards of quality and reliability throughout its history.

About the MobileLite G4 Card Reader

Kingston’s MobileLite G4 is a multi-function card reader with a small metallic form factor that’s roughly 20 per cent smaller than the previous generation and no bigger than a large paper clip, so it easily fits into a pocket, wallet or camera bag and is ideal for personal or professional use. This versatile device reads SD, SDHC, SDXC, UHS-II and microSD/SDHC/SDXC, UHS-I and supports the latest card speeds.

MobileLite G4 is compliant with the USB 3.0 speci­fication and delivers USB 3.0 performance to save time when transferring digital ­ les, photos, games, music and more. It’s backwards-compatible with USB 2.0 ports to allow users to migrate to USB 3.0 in the future, using one card reader. MobileLite G4 is backed by a two-year warranty, free technical support and legendary Kingston®reliability.

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Features and Closer Look

  • Compliant with the USB 3.0 speci­fication, SDA 4.20 standard
  • Versatile – supports SD/SDHC/SDXC, microSD/SDHC/SDXC
  • Supports the latest card standards, UHS-I and UHS-II
  • Backwards compatible with USB 2.0
  • Portable – easily ­ fits in your pocket
  • Guaranteed – 2-year warranty, free technical support


  • Dimensions: 52mm x 33mm x 9mm
  • Operating Temperature: 0°C to 60°C
  • Storage Temperature: -20°C to 70°C

Closer Look

The Kingston MobileLite G4 card reader comes in a clear plastic packaging where you can easily view the product inside.

The card reader itself is just the size of a typical flash drive, only wider. The body is made of aluminum and not plastic making it durable and classy.

The micro SD and SD card slots are on the rear end of the MobileLite G4.

Here’s a look at the USB plug of the MobileLite G4 with the signature blue interior indicating USB 3.0 compatibility.


Testing and Performance

To test the Kingston MobileLite G4, we will have it up against the fastest card reader I have which is also from Kingston, the Kingston USB 3.0 High-Speed Media reader. I will also be using the fastest micro SD card I have at hand, the Team Group Xtreem Micro SDXC UHS-II U3 which claims read speeds of up to 250 MB/s and write speeds of up to 100 MB/s.

Crystal Disk Mark 64Bit

CrystalDiskMark is designed to quickly test the performance of your hard drives. Currently, the program allows to measure sequential and random read/write speeds.

Kingston USB 3.0 High-Speed Media Reader

Kingston MobileLite G4

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ATTO Disk Benchmark

As the industry’s leading provider of high-performance storage & network connectivity products, ATTO has created a widely-accepted Disk Benchmark freeware utility to help measure storage system performance. As one of the top tools utilized in the industry, Disk Benchmark identifies performance in hard drives, solid state drives, RAID arrays as well as connections to storage. Top drive manufacturers, like Hitachi, build and test every drive using the ATTO Disk Benchmark.

Kingston USB 3.0 High-Speed Media Reader

Kingston MobileLite G4

Based on the two benchmark results, both card readers have a very similar read and write speeds. Let’s see how that equates when it comes to a real file transfer test.

File Transfer

I will using a data sample of 798 files, 26 folders with a total 4.33GB which are typical smartphone data files such as audio and video files, games and applications and others, also used in other flash card reviews.

The MobileLite G4 was just 2 seconds shy from the Kingston USB 3.0 High-Speed Media reader. Nevertheless, we could say performance is the same having very little difference.


Final Thoughts and Conclusion

The Kingston MobileLite G4 has certainly impressed me being compact and equally speedy to its larger media reader counterpart. The aluminum body not only adds class, it also gives it a good and solid case unlike cheap card readers with a plastic body. You can find the Kingston MobileLite G4 around $8.95 at Amazon and Newegg. If you deal with flash cards like SDs and micro SDs all the time, the MobileLite G4 is certainly a must have!

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  • Compact and speedy
  • Aluminum body


  • None

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ProClockers was founded in 2004, and since then we have reviewed thousands of tech products, including motherboards, CPUs, graphics cards, PC cases, cooling solutions and more. Whilst many of the original products we reviewed back then have long bit the dust, we continue working hard to provide unbiased PC hardware and tech reviews.

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