2009 mac pro 1333 ram

You may continue to use the slower RAM, although I recommend upgrading to faster RAM as soon as possible to get the most out of your processor upgrade. The main difference when installing RAM is the processor. The single-processor models have a processor tray with a single large heat sink and one set of 4 memory slots fig. Dual-processor models have a processor tray with two large heatsinks and 8 memory slots fig. The 8 memory slots are grouped in sets of four; each group is next to its processor.

Not all memory slots are created equal. The processors in the Mac Pro each contain three memory channels, which are wired to their memory slots in the following configuration. Slots 3 and 4, as well as slots 7 and 8, share a memory channel. By not populating the second of the paired memory slots, you allow each memory module to connect to its own dedicated memory channel.

If you do choose to populate the last memory slots, you may reduce optimum memory performance, but only when the memory in the shared slots is being accessed. But this official support is based on the size of the RAM modules that were available when the Mac Pro first went on sale. If you choose the 16 GB modules, you can only populate the first three memory slots.

Know your Mac Pro's Model

Additionally, you cannot mix modules of different sizes; if you choose to use 16 GB modules, they must all be 16 GB. Notice that in the above configurations, slots 4 and 8 are the last to be populated, ensuring the best overall memory performance. Designed for Apple Computer Systems.

Every A-Tech ram module is tested for complete functionality before it leaves our doors.

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Give your computer the best, trust A-Tech! Mac Identifier. Model Number. Release Date. Module Quantity: 2. Mac Pro 2. Compatible upgrades : Apple Mac mini "Core 2 Duo" 2.

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Our Flexx modules are as good. B03 and running MacOS X With a product portfolio that includes more than , different DRAM upgrades for more than 50, systems, we've got one specifically designed for your Mac system. No matter what type of Mac system you have, we've got a compatible solution. Speed:PC Mhz. We will try our best to solve any problems.

Memory for Mac Pro

Ruturn Policy. These were removed from a working Mac Pro Early All of the components in our modules are sourced from the top manufacturers and only utilize new and new condition components. Results pagination - page 1 1 2 3 4 5 6 7 8 9 Hot this week in 8gb Ram Mac. Make an offer. M16FKD [1B]. Shop by category. Total Capacity see all. Form Factor see all. Bus Speed see all. PC DDR Number of Modules see all. Capacity per Module see all. Type see all. Brand see all. Number of Pins see all. Condition see all. Adverse weather or courier service may delay delivery.

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Installation: Goods are sold under the assumption that you have experience installing. Installation instructions for your specific machine are not included. Refer to your owner's manual or manufacturer's Web site for compatibility and installation. If you are not confident, please take your machine to a technician for installation.

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32GB KIT (2X16GB) DDR3 ECC PC MHz SDRAM Mac Pro - EUR - OWCshop

We do not take trade-ins of used memory. Full manufacturers warranty terms apply. Customer is responsible for warranty replacement shipping.

Memory Upgrade Guide for Early 2009 Mac Pro (24GB, 48GB)

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