Example Documents

Example of Memo Explaining SAS and SATA Data Storage

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So in this situation, your boss wants information on what exactly is SAS and SATA data storage. 
 
Memo

To:

John Smith, CEO, Computer World Inc.

From:

William Donaldson, Help Desk Tech

Date:

12/12/2017

Re:

SAS and SATA Data Storage Overview
 
Hello Mr. Smith,
            As requested, I have compiled some information regarding what SAS and SATA data storage are, how they are used, and what they can do for your company. I have also included how we can implement it at Computer World Inc., as well as how the implementation with look. First, for a little background information, SATA (Serial Advanced Technology Attachment) is a method of connecting and transferring data from hard disks (HDDs) to computer systems. SAS (Serial-attached SCSI) *SCSI is commonly pronounced as scuzzy* is a method of accessing computer peripherals by transferring one bit of digital data at a time. SATA and SAS connectors are used in hard drives, which store data. SAS-based hard drives can be faster and more reliable than SATA-based hard drives. However, SATA drives typically have much more storage capacity. Being so, SAS drives work well with servers, while SATA drives are great for personal computers.
Some other advantages of SATA-based drives are that they are cheaper and have a faster data transfer date. They also use longer cables and sometimes implement a higher RPM.  SATA has several disadvantages as well, such as a lower MTBF (Mean Time Between Failures) than SAS. SAS-based storage also has its downfalls, such as requiring more power to operate. When deciding which storage technology to use, it comes down to what data is being stored, how often that data is being accessed, and how vital or sensitive the data is. For your company’s main server, I would recommend a SAS-based drive, since they are faster and more reliable.
For all other storage devices in the office, such as the personal computers used at the front desk as well as in both offices, I would recommend SATA-based drives due to their large capacities and lower prices. Below, I have included a basic diagram of how data storage could be handled at Computer World Inc. In the diagram, you will see a SAS-based storage device for the server and SATA-based storage for the front desk’s personal computers, as well as for the computers in both offices. This setup will allow the best performance for the lowest price.
I hope this information helps you decide which storage to use for your company and if you have any further questions you can contact me at 402-909-2621 or williamdonaldson@Techworld.com. Thank you for your time.
William Donaldson, Help Desk Tech, Computer World Inc.
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