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What Are The Different Types of QSFP+ (40GB) Transceivers & How Do They Work?

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UPDATE: Please visit this QSFP+ Transceivers article in our new CK Learning Center.

There’s been a rapid evolution of gigabit ethernet and a growing demand for equipment that handles this advancement. Data centers are now migrating to blazing fast 40G, and QSFP+ transceivers as a necessary component in making sure high speed internet stays high speed.

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QSFP+ stands for Quad Small Form-Factor Pluggable Plus. A parallel and hot-swappable fiber optical module that provides high-density 40G connectivity options for high-performance computing networks and modern data centers. It has four independent receive and transmit optical channels that can terminate to another 40G QSFP+ transceiver, or can be distributed to four separate 10 Gigabit SFP+ transceivers. The QSFP+ modules , in a nutshell, connect the entire electrical circuitry of your system to an optical external network. [Read more…] about What Are The Different Types of QSFP+ (40GB) Transceivers & How Do They Work?

Infographic: Before You Buy IT Hardware Without a Lifetime Warranty, Read This

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When you buy IT infrastructure products, are you buying with or without a lifetime warranty?

When it comes to buying IT hardware and accessories, buying is about specs, price, and quality, usually in that order. Packaging, deals, and bells and whistles are nice, but they mean little if the product doesn’t meet the standards.

But what about warranties on the product? Are those a perk, or are a requirement? Do warranties really mean anything? [Read more…] about Infographic: Before You Buy IT Hardware Without a Lifetime Warranty, Read This

2 Reasons (besides price) to buy refurbished IT hardware

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If you’re the guy in charge of making office hardware purchase decisions, you automatically organize products from highest to lowest quality. Brand new servers and peripherals go at the top of the list, and then used or refurbished stuff goes near the bottom. Then you pick the highest quality option within your budget.

And while we’re sure you rarely make mistakes, there may be a factor or two you’re leaving out that could improve the quality of product you buy.

Refurbished IT hardware always passes the lemon test

[Read more…] about 2 Reasons (besides price) to buy refurbished IT hardware

Everything you need to know about fiber optic cables- Including OM5

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You’ve started a project to upgrade your network but not sure of what fiber cables you need. Should the cables be single-mode or multi-mode? Is there a specific length or speed needed? All of these questions are great to ask as you prepare your network project and think of future upgrades. Here is everything you need to know about fiber cables including the newest fiber type, OM5.

[Read more…] about Everything you need to know about fiber optic cables- Including OM5

Does the Name Brand Really Matter?

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Any Costco fans out there?

I certainly am…for some things.  I am also the first to admit that it took most of my entire lifetime to arrive at that point.  There was just some unfounded stigma about using an item that wasn’t a name brand.  Not to mention, I didn’t want my guests to see anything in my cabinets like that.

[Read more…] about Does the Name Brand Really Matter?