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Delkin eFilm Expresscard 34 Compact Flash Reader

With high-end DSLRs and medium format backs now shooting with 12 – 39 Megapixel sensors, and consequently large raw files, the use of large cards (up to 8 GB) has become common. This then means long transfer times when it comes time to move those files to a hard drive.

I recently wrote about the highly synergistic Sandisk Extreme IV cards and card reader, and how remarkably fast they were. This lead me to wonder how the just released Delkin Expresscard 34 CF card reader would stack up.

If you have an Apple Macbook Pro 15" or 17" laptop, (or a Windows laptop with a similar slot) you've probably wondered what was ever going to become available for the Expresscard slot. These slots are replacements for the PCMCIA card slots of yore, and have access to the full system bus. The new Delkin adaptor will fit in either a 34mm or 54mm slot, which makes it compatible with some recent Windows desktop computers as well.


The Comparison

My comparison test was simple. I used two different cards, an older generation 8 GB Sandisk Ultra II, and the latest generation 8GB Sandisk Extreme IV. The card reader used for comparison was the new Extreme reader connected to Firewire 800 to a 17" Macbook Pro. The drive being written to was a 1 Terabyte GTech running at 7200 RPM, connected via Firewire 800.

The test directory totaled 1.45 GB worth of files.

The following table tells the tale.

Expresscard Reader
Sandisk Extreme Reader
8GB Sandisk Ultra II Card
2' 22"
1' 50"
8GB Sandisk Extreme IV Card
1' 59"
1' 12"

Since the Delkin is rated by the manufacturer at 20 MPS and the Extreme IV cards and reader at up to 40 MPS, the results aren't surprising. The Delkin Expresscard is about as fast as a regular Firewire 400 or USB II reader, but not anything extraordinary. The Sandisk Extreme IV combo, on the other hand, continue to be the fastest cards and readers currently available.

December, 2006


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Concepts: ExpressCard, Laptop, Solid-state drive, MacBook Pro, PC Card, MacBook, MacBook Air, CompactFlash

Entities: Sandisk, Delkin, Apple, Firewire, Windows, Michael Reichmann, Macbook Pro

Tags: Sandisk Extreme IV, cards, card reader, Extreme IV cards, Delkin Expresscard, synergistic sandisk extreme, Macbook Pro, Firewire 800, GB Sandisk Ultra, expresscard 34 cf, Extreme IV combo, generation 8gb sandisk, new delkin adaptor, new extreme reader, PCMCIA card slots, Apple Macbook Pro, Expresscard slot, long transfer times, II reader, large cards, similar slot, high-end dslrs, Firewire 400, GB worth, fastest cards, Megapixel sensors, different cards, Terabyte GTech, hard drive, comparison test, raw files, Windows laptop, medium format, older generation, following table, test directory, recent windows, wondered, extraordinary, totaled