256 gb hard drive vs 500Gb hard drive. I am wondering on getting a new MacBook Pro. Either the MacBook Pro with retina display or the normal MacBook Pro 15 inch. They are both really good. I was wondering about the storage and hard drive space. The MacBook Pro 15 inch has 500 GB while the MacBook Pro with Retina display only has 256 GB or Flash storage. Will a 500GB harddrive work in a MacBook Pro (Santa Rosa) Discussion in 'MacBook Pro' started by techmonkey, Jan 31, 2009.

How do you upgrade the hard drives in the Mac Pro? How many drives of what type are supported?

Upgrading the hard drives in all Mac Pro models is simple, but some are helpful nevertheless. Apple does formally support individuals upgrading the hard drives themselves, too. Photo Credit: Apple, Inc.

(Original Mac Pro) Identification Help For the purpose of upgrading the hard drive or hard drives in the Mac Pro models, they are similar enough that one almost not need know the differences. However, the process is slightly different for earlier and later Mac Pro models and it still is a good idea generally to know which Mac Pro one owns. All Mac Pro lines can be identified to some extent by the in software. To locate the model identifier, select 'About This Mac' under the Apple Menu on your computer and click the 'More Info.' If the Mac Pro is running OS X 'Lion' (10.7) or later, click the 'System Report' button after clicking 'More Info.' Externally, the Mac Pro lines can be uniquely identified.

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The EMC number is listed on the rear of the system in small type. Useful identifiers for the Mac Pro lines include: Mac Pro Subfamily Model Number Model ID EMC Number Original (2006) Original (2007) Early 2008 Early 2009 Mid-2010 Mid-2012 More details about specific identifiers are provided in EveryMac.com's extensive section. EveryMac.com's feature -- as well as the -- also can identify these systems by their. Supported Hard Drive Types & Options All Mac Pro models have 'four independent 3 Gb/s Serial ATA cable-free, direct attach hard drive bays' with 'four internal hard drive carriers included', and precisely the storage must meet these specifications: • Type: SATA 3 Gbps • Width: 3.9 inches (102 mm) • Depth: 5.7 inches (147 mm) • Height: 1.0 inch By default, a single 3 Gb/s Serial ATA -- sometimes referred to as SATA 2.0 or SATA II -- hard drive is installed in the first of four bays for all models. The original Mac Pro models formally support a total capacity of 2 TB (four 500 MB drives), the 'Early 2008' models up to 4 TB (four 1 TB drives), and the 'Early 2009,' 'Mid-2010' and 'Mid-2012' models up to 8 TB (four 2 TB drives), although EveryMac.com readers have reported that larger hard drives work without issue in all models.

1.5 Gb/s Serial ATA hard drives also will work in all Mac Pro models, albeit at reduced speed. Of course, four SSDs -- or a combination of up to four hard drives and SSDs -- also can be in these drive bays with the. Unofficially, all Mac Pro models also can accommodate a fifth (and even a sixth, depending on physical size) hard drive or SSD by using the second 5.25' optical drive bay. Site sponsor offers a selection of kits that make adding these extra drives easy. You may also be interested in for this second 5.25' optical drive bay.

Hard Drive Upgrade Instructions Apple provides a that covers upgrading the hard drives in the Mac Pro -- and covers the same material in the instruction manuals for each model as well -- but even better, Other World Computing provides step-by-step videos of the process. Mac Pro Hard Drive Upgrade Video Original (2006 & 2007) & Early 2008 () Mac Pro Hard Drive Upgrade Video Early 2009, Mid-2010 & Mid-2012 () After watching these videos, it should be clear that upgrading the storage in the Mac Pro models is simple. However, if you do not feel comfortable -- or have the time -- to perform the upgrade yourself, hiring a professional always is a good idea. Mac Pro Hard Drive Purchase & Professional Installation Options In theory, just about any hard drive or SSD that meets the minimum requirements should work in the Mac Pro. However, it always is best to buy from a trusted company with Mac knowledge for the most trouble-free experience. In the US (and many other countries), site sponsor sells hard drives and SSDs compatible with all Mac Pro models, as well as the previously mentioned kits that make it easy to install hard drives or SSDs in the Mac Pro optical drive bays. In the UK and Ireland, site sponsor sells Mac Pro compatible SSDs with free shipping.