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Dell Optiplex 755 Adding second hard drive

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I have a Dell Optiplex 755 and I'd like to add a second hard drive ( 160GB 3.5" SATA Hard Drive Western Digital WD1600AAJS) to have more space available since I think the stock 75GB isn't enough for me. So I'm wondering if I need a new power supply or additional data and/or power cables.

Thank you.

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9 Replies
osprey4
Diamond

Re: Dell Optiplex 755 Adding second hard drive

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Hi Lettuceprayy,

You need a data cable. That's about it.

I'm really surprised your system came with only a 75GB drive. Are you sure that's right? Seems tiny.

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Re: Dell Optiplex 755 Adding second hard drive

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Hi lettuceprayy,

Welcome to the Community

Please let us know what type of chassis you have, as this system model use to come with 4 different chassis type and of those 4, 2 of them have “Two 3.5-inch hard drive bays” and other 2 have “One 3.5-inch hard drive bay”.

If you have two 3.5-inch hard drive bays then you will only need a data cable and an additional power connector should be there on your computer.

Always glad to help.

Thank you

Aashish Sengar

Social outreach Professional

You can reach us at http://en.community.dell.com/

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Re: Dell Optiplex 755 Adding second hard drive

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I have a mini-tower chassis. Is it one with the two hard drive bays? If it is, do I need a SATA data cable?

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Skybird
Diamond

Re: Dell Optiplex 755 Adding second hard drive

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The Mini-Tower has two positions for hard drives.  See Manual ........

<ADMIN NOTE: Broken link has been removed from this post by Dell>

The two hard drives positions are one next to each other.

Yes, you will need to supply a SATA cable

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osprey4
Diamond

Re: Dell Optiplex 755 Adding second hard drive

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Just hard to believe the original drive is 75GB. Haven't had a drive that small since my Dimension 4100.

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Re: Dell Optiplex 755 Adding second hard drive

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Thanks so much,

I assume my hard drive was sold as an 80GB HD but HD manufacturers treat a GB as 1,000,000,000 bytes and not as the actual value 1,073,741,824, so we don't get the full capacity. :[

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osprey4
Diamond

Re: Dell Optiplex 755 Adding second hard drive

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Glad to help.

You're correct, but that's still a very small drive. For example, you would have no trouble finding a 1TB SATA drive for well under $100.

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Re: Dell Optiplex 755 Adding second hard drive

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Yes, Mini- tower has two hard drive bays available and you will only a SATA data cable to connect a new hard drive.

Please reply for any further assitance

Thank you

Aashish Sengar

Social outreach Professional

You can reach us at http://en.community.dell.com/

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CoastalData
Copper

Re: Dell Optiplex 755 Adding second hard drive

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Hello, anybody still watching this thread?

I just looked inside a 755 to add a second drive, and there does not seem to be a spare POWER connector for it, even though there is clearly room for the second drive, and an empty SATA connector on the MOBO.

Am I missing something?

--J

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