The 2009 and 2010 Mac Minis (not server version) can have two drives by replacing the optical drive with a Datadoubler bracket. Turn your Mac Mini into the server version. There are a lot of uses for a two drive Mac Mini: RAID the two drives, use the second drive as extra storage or a Time Machine. A server edition of the Mac mini was introduced in October 2009, which omits the optical drive in favor of a second hard drive for a total of 1 TB of storage (1 TB = 1000 billion bytes). A Combo drive was initially offered as standard, with the SuperDrive being an option, but through the 2010 models, all models that have an optical drive. The Apple Mac mini 'Core 2 Duo' 2.53 Server (Late 2009) features a 2.53 GHz Intel 'Core 2 Duo' (P8700) processor, a 3 MB on-chip level 2 cache, a 1066 MHz frontside bus, 4 GB of 1066 MHz DDR3 SDRAM (PC3-8500) memory, dual 500 GB Serial ATA hard drives, and a NVIDIA GeForce 9400M graphics processor with 256 MB of memory shared with the system. Dual 500GB hard drives come standard. Dual 500GB (7200-rpm) hard drives 2 Configurable to dual 750GB (7200-rpm) hard drives, single or dual 256GB solid-state drives, or 256GB solid-state drive and 750GB (7200-rpm) hard drive, only at the Apple Online Store. Your Mac mini with Lion Server comes with 90 days of free telephone support and a.
Hard Drive For Mac Mini Servers

The Mac mini 'Core 2 Duo' 2.53 (Server) has two hard drives (with the second hard drive in lieu of the optical drive). Apple does not provide instructions for end users to upgrade the hard drive in the Mac mini, and considers neither the hard drive nor the memory to be a 'customer installable part' and instead warns that the hard drive should.
To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.

- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
Mac Mini Replace Hard Drive
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
Replace Hard Drive Mac Mini Server 2009
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
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