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Stephen Foskett, Pack Rat

Understanding the accumulation of data

You are here: Home / Archives for PCI Express

PCI Express

USB 3.0 For Mac Is Here!

February 23, 2011 By Stephen 3 Comments

I am so relieved finally to be able to talk about my experience using USB 3.0 on a Mac. It's a wonderful, seamless experience that is so well-integrated you might not notice it except for the performance. At over 200 MB/s, though, it blows FireWire out of the water and is even faster than nearly any device you're likely to throw at it. CalDigit USB 3.0 PCI Express Card … [Read more...] about USB 3.0 For Mac Is Here!

The Four Horsemen of Storage System Performance: I/O As a Chain of Bottlenecks

October 27, 2010 By Stephen Leave a Comment

Why do some data storage solutions perform better than others? What tradeoffs are made for economy and how do they affect the system as a whole? These questions can be puzzling, but there are core truths that are difficult to avoid. Mechanical disk drives can only move a certain amount of data. RAM caching can improve performance, but only until it runs out. I/O channels can be … [Read more...] about The Four Horsemen of Storage System Performance: I/O As a Chain of Bottlenecks

Apple’s Unconventional New MacBook Air SSD

October 22, 2010 By Stephen 3 Comments

Apple updated the ultra-slim don't-call-it-a-netbook MacBook Air this week. Along with a wimpy out-of-date CPU, the new Air features all-SSD storage of an entirely new and apparently proprietary type. Let's take a look and see what we can see. Just The Facts You might want to read my piece about Unconventional SSDs: PCI Express Mini Card (Mini PCI-E) or the updated … [Read more...] about Apple’s Unconventional New MacBook Air SSD

Unconventional SSDs: PCI Express Mini Card (Mini PCI-E)

October 20, 2010 By Stephen 3 Comments

With Apple almost certain to introduce a new MacBook Air, questions have turned to the specifics of the hardware to be used. A leaked pre-production photo features an odd memory configuration (not to mention four batteries), a device I immediately recognized as an SSD-on-a-stick. With this high-profile introduction of a new SSD stick form, I thought it was time to cover these … [Read more...] about Unconventional SSDs: PCI Express Mini Card (Mini PCI-E)

ExpressCard: A Sure Thing That Failed

September 8, 2010 By Stephen 2 Comments

PCMCIA and CardBus slots were universal and popular a decade ago, but the advent of PCI Express meant reengineering the old standby. The result was ExpressCard, a never-popular compromise that mixes PCI Express and USB into a confusing and little-used mashup. With few modern laptops including an ExpressCard slot and fewer users, a fair question to ask is "where did it all go … [Read more...] about ExpressCard: A Sure Thing That Failed

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