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Get the most out of Yosemite.
Yosemite requires 2GB of memory, but runs better on 4GB. Max out your Mac with popular OWC Memory Upgrade Kits.
4GB kits from $12.998GB kits from $18.99
Options for up to 128GB
Add up to 24.0TB of high-performance external storage from $74.99
Upgrade to a larger / faster hard drive. 2.5" or 3.5" HDD. from $36.75
Upgrade to the ultimate in drive performance with an OWC SSD from $39.00
Yosemite Hardware Compatibility
NewerTech
AdaptaDrive 2.5" to 3.5" Drive Converter Bracket
✓ yes
Guardian MAXimus mini Portable FW800 and 400+USB2+eSATA
✓ yes
MAXPower PCIe 4-Port eSATA 6G RAID Controller with port multiplier support
✓ yes | Click here for driver
miniStack MAX Storage & Optical Drive Enclosure w/ USB hub, & SD card reader. FW800 / FW400 / USB 3.0 / eSATA
✓ yes
miniStack MAX Storage and Optical Drive Enclosure w/ USB hub, and SD card reader. FW800 / FW400 / USB 3.0 / eSATA.
✓ yes
miniStack Storage Enclosure with FW800 / FW400 / USB 3.0 / eSATA.
✓ yes
miniStack Storage Enclosure with FW800 / FW400 / USB 3.0 / eSATA
✓ yes
NewerTech MAXPower RAID mini-SAS 6G 1e1i
✓ yes | Click here for driver
NewerTech MAXPower RAID mini-SAS 6G 2e
✓ yes | Click here for driver
Newer Tech miniStack Classic FireWire 800 and USB 2.0 SATA Solution with integrated rear USB 2.0 powered hub
✓ yes
NewerTech Guardian MAXimus RAID-1 [MIRROR] eSATA, FireWire 800+400, USB 3.0
✓ yes
NewerTech Guardian MAXimus RAID-1 [MIRROR] eSATA, FireWire 800+400, USB 3.0
✓ yes
NewerTech MAXPower eSATA 6G PCIe 2.0
✓ yes
NewerTech MAXPower USB/eSATA 2x2 AHCI
✓ yes
NewerTech MAXPower USB/eSATA 2x2 Legacy
✓ yes | Click here for driver
NewerTech Voyager Q- Quad Interface FireWire 800/400/USB 3.0/eSATA Docking Solution
✓ yes
NewerTech Voyager Q- Quad Interface FireWire 800/400/USB 3.0/eSATA Docking Solution
✓ yes
NewerTech Voyager S3 'SuperSpeed' USB 3.0 Interface SATA 6Gb/s Drive Docking Solution
✓ yes
Universal Drive Adapter - connects any 2.5", 3.5" or 5.25" drive via USB 3.0
✓ yes
7 Port Hi-Speed USB 2.0 Hub
✓ yes
eSATA to USB 3.0 Adapter
✓ yes
OWC
8X OWC Slim Portable USB 2.0 External DVD DL+CD Reader/Writer Player
✓ yes
Data Doubler (all models)
✓ yes
Elite Pro mini USB 3.0/eSATA 6G
✓ yes
Envoy Pro EX USB 3.0 Portable SSD Solution, Upgrade kit
✓ yes
Envoy Pro USB 3.0 Enclosure for data transfer/continued external use of SSD from MacBook Pro with Retina display or 2012 iMac.
✓ yes
Envoy USB 2.0/3.0 Enclosure for data transfer/continued external use of Apple MacBook Air 2010/11 SSD
✓ yes
Envoy USB 2.0/3.0 Enclosure for data transfer/continued external use of Apple MacBook Air 2012 SSD
✓ yes
Express 2.5" Portable USB 2.0 Enclosure
✓ yes
Express 2.5" Portable USB 3.0 Enclosure
✓ yes
Jupiter mini-SAS 16-Bay Enterprise Class SAS HDD JBOD/Expander Rack
✓ yes | More Information
Jupiter mini-SAS 8-Bay Enterprise Class SAS HDD JBOD/Expander Rack
✓ yes | More Information
Mercury Accelsior_E2 PCI Express SSD with two eSATA Expansion ports
✓ yes
Mercury Accelsior
✓ yes
Mercury AccelsiorM mSATA PCIe Controller
✓ yes
Mercury Elite Pro Dual mini bus-powered FireWire 800 & USB 3.0 RAID Storage Enclosure
✓ yes
Mercury Elite Pro Dual mini bus-powered Multi-Interface RAID Storage Enclosure
✓ yes
Mercury Elite Pro Dual USB 3.0 and Thunderbolt RAID Storage Solution
✓ yes
Mercury Elite Pro eSATA Dual Drive External Pro 'RAID READY'
✓ yes
Mercury Elite Pro eSATA, FireWire 400/800 & USB 3.0
✓ yes
Mercury Elite Pro mini 2.5" Portable FW800 and 400+ USB2+eSATA
✓ yes
Mercury Elite Pro mini 2.5" Portable FW800&400+ USB3.0
✓ yes
Mercury Elite Pro mini 2.5" Portable USB3.0
✓ yes
Mercury Elite PRO Multi-Interface Dual Drive eSATA/FireWire 800/400+USB2.0
✓ yes
Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 2.0 4-Bay SATA Desktop RAID Storage Enclosure
✓ yes
Mercury Elite Pro Qx2 eSATA,FireWire 800+USB 3.0 4-Bay SATA Desktop RAID Storage Enclosure
✓ yes
Mercury Elite Pro USB 3.0 Enclosure Kit - For all 3.5" SATA Hard Drives
✓ yes
Mercury Helios 2 Thunderbolt PCIe Expansion Chassis
✓ yes
Mercury Helios Thunderbolt PCIe Expansion Chassis
✓ yes
Mercury On-The-Go FW800/USB 3.0 External Enclosure for 2012 Apple Retina MacBook Pro Flash Storage
✓ yes
Mercury On-The-Go Pro FW800/USB3.0
✓ yes
Mercury On-The-Go Pro USB 3.0
✓ yes
Mercury On-The-Go USB 3.0 External Enclosure for 2012 Apple Retina MacBook Pro Flash Storage
✓ yes
Mercury Pro Firewire 400/USB 2.0
✓ yes
Mercury Pro FireWire 800 and USB 3.0
✓ yes
Mercury Pro USB 2.0, FireWire 800, and FireWire 400 Enclosure kit for 5.25" SATA Optical Drives
✓ yes
Mercury Pro USB 3.0, FireWire 800, and FireWire 400 Enclosure kit for 5.25" SATA Optical Drives
✓ yes
Mercury Rack Pro 4 Bay 1U Rackmount Hardware RAID Solution eSATA w/ Port-Multiplier capability, FW800, FW400 and USB 3.0
✓ yes
Mercury Rack Pro 4 Bay 1U Rackmount RAID Ready Solution with SAS Interface
✓ yes | More Information
OWC Mercury Elite Pro Performance FW800 & USB3 Dual Drive RAID
✓ yes
OWC Mercury On-The-Go Thunderbolt
✓ yes
OWC ThunderBay 4 four-bay drive enclosure with dual Thunderbolt 2 ports, RAID 5
✓ yes
OWC ThunderBay 4 four-bay drive enclosure with dual Thunderbolt 2 ports, RAID Ready
✓ yes
OWC ThunderBay IV four-bay drive enclosure with dual Thunderbolt ports, RAID 5
✓ yes
OWC ThunderBay IV four-bay drive enclosure with dual Thunderbolt ports, RAID Ready
✓ yes
OWC Value Line Slim USB 2.0 5.25" Enclosure Kit for 12.7mm SATA Laptop Optical Drive
✓ yes
SuperSlim SuperDrive USB 2.0 External Enclosure
✓ yes
Value Line USB2.0/1.1 Enclosure kit for 5.25" SATA Optical Drive
✓ yes
NewerTech
NewerTech USB to DVI / HDMI / VGA HD Video Display Adapter
NewerTech USB 3.0 to HDMI / DVI HD Video Display/Audio Adapter.
Yosemite Software Compatibility
Intuit
Quicken Essentials for Mac
QuickBooks 2014 for Mac
Prosoft
SoundBunny
Microsoft
Office 2011 Home/Student
Office 2011 Mac Home/Business
Equinux
VPN Tracker 6.x Personal
X Incompatible
Version 8 is supported
Version 8 is supported
Softpress
Freeway 5 Pro
X Incompatible
Version 7 is supported
Version 7 is supported
Alsoft
DiskWarrior 4.4
✓ yes
Prosoft Engineering
Drive Genius v3.2.x
✓ yes
Version 3.2.5 and later are supported
Version 3.2.5 and later are supported
Intech Software
SpeedTools 3 Professional
✓ yes
SpeedTools Test Suite for Mac and PC
✓ yes
SubRosaSoft
SubRosaSoft
CopyCatX 5.0
FileSalvage 7.0 and CopyCatX 5.0
Prosoft Engineering
Data Rescue 4
Data Backup 3
Picture Rescue 2
Diglloyd
Diglloyd Tools Utility Suite for Mac OS X
Parallels
Parallels Desktop for Mac
✓ yes
Important Applications and Support Information
Front Row: If you love Front Row for viewing video, photos, podcasts, and music, you'll be sorry to hear it was dropped in OS X Lion 10.7 and there is still no direct replacement from Apple in OS X Yosemite.
Flash from Adobe: This is how a large portion of the webpages and videos are viewed on the Internet. Flash takes advantage of hardware acceleration to deliver High-Quality video with minimal overhead. While not a part of the install, Flash is still fully supported and can be downloaded from Adobe.
Java's Runtime Environment: Java is no longer a part of the install as of OS X Lion is still not included in OS X Yosemite. Java is a universal programming language that allows software and utilities to be compatible across a wide variety of devices. If an application needs Java to function correctly, Mac OS X Yosemite will present a prompt to download Java via Software Update.
Rosetta: OS X Snow Leopard was the last version of Mac OS X that supported Rosetta. This is the program that allows PowerPC software to run in an Intel environment. Example programs that use Rosetta are Quicken 2007 and earlier, as well as older versions of Adobe Photoshop. If you are running Creative Suite 2 or older and upgrade to Mac OS X Yosemite, CS2 will no longer run. If you run older software or suspect a software program you use relies on Rosetta, check with the software manufacturer before upgrading.
General Application Support: Generally any application that ran in OS X Mountain Lion will run in OS X Yosemite. RoaringApps has the broadest coverage of application compatibility with various Mac OS X versions: http://new.roaringapps.com
OS X Yosemite
New Features
Look and Feel
Mail and Messages
Spotlight
Calendar
Safari
Notification Center
iCloud Drive
Continuity
OWC Observations
The information contained on the OWC OS Update Guide page is provided as a resource and does not include any implicit or implied guarantee. Usage environments are all slightly different and results may vary from what has been reported. Every effort is made to provide the most accurate information possible, however it is upon your sole judgment as to whether the information and content is applicable to your situation.
By use of this page, you agree to indemnify and hold Other World Computing, Inc., its parent operating company, New Concepts Development Corporation, and its officers, directors, shareholders, predecessors, successors in interest, employees, agents, subsidiaries and affiliates, harmless from any demands, loss, liability, claims or expenses (including attorneys' fees), made against OWC by any third party due to or arising out of or in connection with your use of the Site.
YOU FURTHER AGREE THAT THE SITE AND ITS CONTENT, INCLUDING, BUT NOT LIMITED TO THE OWC OS UPDATE GUIDE PAGE, ARE DELIVERED ON AN "AS-IS" AND "AS-AVAILABLE" BASIS. ALL INFORMATION PROVIDED ON THE SITE IS SUBJECT TO CHANGE WITHOUT NOTICE. OWC DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. OWC DISCLAIMS ANY AND ALL LIABILITY FOR THE ACTS, OMISSIONS AND CONDUCT OF ANY THIRD PARTIES IN CONNECTION WITH OR RELATED TO YOUR USE OF THE SITE AND/OR ANY OWC SERVICES. YOU ASSUME TOTAL RESPONSIBILITY FOR YOUR USE OF THE SITE AND ANY LINKED SITES. YOUR SOLE REMEDY AGAINST OWC FOR DISSATISFACTION WITH THE SITE OR ANY CONTENT IS TO STOP USING THE SITE OR ANY SUCH CONTENT.
For the full Site Terms, please visit: http://eshop.macsales.com/service/terms
By use of this page, you agree to indemnify and hold Other World Computing, Inc., its parent operating company, New Concepts Development Corporation, and its officers, directors, shareholders, predecessors, successors in interest, employees, agents, subsidiaries and affiliates, harmless from any demands, loss, liability, claims or expenses (including attorneys' fees), made against OWC by any third party due to or arising out of or in connection with your use of the Site.
YOU FURTHER AGREE THAT THE SITE AND ITS CONTENT, INCLUDING, BUT NOT LIMITED TO THE OWC OS UPDATE GUIDE PAGE, ARE DELIVERED ON AN "AS-IS" AND "AS-AVAILABLE" BASIS. ALL INFORMATION PROVIDED ON THE SITE IS SUBJECT TO CHANGE WITHOUT NOTICE. OWC DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. OWC DISCLAIMS ANY AND ALL LIABILITY FOR THE ACTS, OMISSIONS AND CONDUCT OF ANY THIRD PARTIES IN CONNECTION WITH OR RELATED TO YOUR USE OF THE SITE AND/OR ANY OWC SERVICES. YOU ASSUME TOTAL RESPONSIBILITY FOR YOUR USE OF THE SITE AND ANY LINKED SITES. YOUR SOLE REMEDY AGAINST OWC FOR DISSATISFACTION WITH THE SITE OR ANY CONTENT IS TO STOP USING THE SITE OR ANY SUCH CONTENT.
For the full Site Terms, please visit: http://eshop.macsales.com/service/terms