Upgrade the memory in select 2009-2010 Mac Pro systems or compatible PCs using the 12GB DDR3 1066 MHz DIMM Memory Kit from OWC / Other World Computing. This memory kit features a total capacity of 12GB, which is made up of three 4GB modules. It features a clock speed of 1066 MHz, a bus speed of PC-8500, and a 240-pin DIMM form factor. It operates using 1.5V, 7-7-7-20 timings, and a module bandwidth of 8.5 GB/s. By offering ECC (Error Checking and Correcting) technology, this RAM will help your workstation encounter fewer errors that can corrupt data sets and introduce system issues. Additionally, this memory module is compatible with Apple Specified Thermal Sensor, which ensures that the RAM maintains a safe thermal operating range.

12GB (3 x 4GB) Capacity    1066 MHz Clock Speed    PC-8500    240-Pin DIMM    1.5V    7-7-7-20 Timings    ECC    Apple Thermal Sensor Compatible    Module Bandwidth: 8.5 GB/s    Compatible with Select Mac Pros

Model ID: MacPro4,1
Quad-Core: 2.66 GHz, 2.93 GHz, 3.33 GHz
Eight-Core: 2.26 GHz, 2.66 GHz, 2.93 GHz

Model ID: MacPro5,1
Quad-Core: 2.8 GHz, 3.2 GHz, 3.33 GHz
Eight-Core: 2.4 GHz

Model ID: Xserve3,1
Quad-Core: 2.26 GHz
Eight-Core: 2.26 GHz, 2.66 GHz, 2.93 GHz

Compatible with Intel / AMD-based PCs capable with the specifications listed above. Memory complies with JEDEC Specifications, document JESD79-3B.

Related Questions and Answers

Q: 1. Will this work on a late 2007 macbook pro?

A: I don't think so. What you need is: DDR2-667 SODIMM https://a href= http://www.bhphotovideo.com/c/product/1213048-REG/owc_other_world_computing_owc5300ddr2s4gp_4gb_memory_upgrade_kit.html target= _blank www.bhphotovideo.com/c/product/1213048-REG/owc_other_world_computing_owc5300ddr2s4gp_4gb_memory_upgrade_kit.html/a

Q: 2. it fits in IMAC 11.1 later 2009 ddr 1333 ?

A: I bought for my Macbook Pro early 2011 model # 8.1. Going from 8gb to 16gb improved performance even more than I expected. I cannot vouch for compatibility for any other model of Macbook Pro.

Q: 3. dose it work with the Intel DP67BA?

A: The 16GB DDR3 1333 MHz SODIMM Memory Kit by OWC is not compatible with the Intel DP67BA main board as that board uses DDR3 DIMM type chips.

Q: 4. Is this compatible with Mac Pro mid 2012 with 3 1066 2GB installed and one empty slot. I want to raise the RAM to 32GB. If this does not work what RAM do you reccomend?

A: This memory will not work in a Mac Pro. This is memory for an iMac or Macbook Pro. You need the OWC1333D3X9M032. However, this memory will require you to remove the existing Apple memory.

Q: 5. Hi, can this memory work in a Acer Aspire 5740-5749? (windows).The specification say memory for mac..

A: We specifically build our memory for Mac's, but most of the time it does work on PC's. The memory complies with JEDEC specifications, but there are far too many variables involved to tell you for certain.

Q: 6. Do you have any internal SSD's that will suit a hard drive upgrade for a MacBook Pro Mid 2010, model identifier 7,1? Many thanks

A: The Mercury Electra 3G SSD would be suitable.

Q: 7. dose it work with the hp 2000-2d19wn?

A: No, it is not the correct memory, it is too slow.

Q: 8. Can I install this in my MacBook Pro Mid 2010?Processor: 2.4 GHz Intel Core 2 DuoMemory: 4 GB 1067 MHz DDR3Graphics: NVIDIA GeForce 320M 256 MB

A: This kit is for an iMac with 4 memory slots. I would need to know the computer's serial number to point you to the correct memory modules.

Q: 9. I'd like to use these in a late 2012 mac mini (6,1). Will they work?

A: Yes, the OWC 16GB DDR3 1333 MHz SODIMM Memory Kit (2 x 8GB, Mac) would be compatible with the Mac mini (6,1).

Q: 10. Will this work with the MacPro5,1 that has one Quad-Core Intel Xeon 2.66 GHz processor ?

A: This kit should work with all Quad and Eight core Mac Pro 5,1's.