iRAM 32GB (2x 16GB) DDR3-1066 PC3-8500 1.5V DR x4 ECC Registered 240-pin RDIMM RAM Kit for Mac (or PC)

iRAM 32GB (2x 16GB) DDR3-1066 PC3-8500 1.5V DR x4 ECC Registered 240-pin RDIMM RAM Kit for Mac (or PC)

SKU: MAR3R1067T16G24X2

  • $303.98
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Product Overview

Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 32GB (2x 16GB) DDR3 1066 MT/s 240-pin RDIMM RAM kit for Mac from iRAM . This Dual rank, x4 configuration RAM kit is for use in DDR3 compatible systems and operates at 1066 MT/s with an overall transfer rate of PC3-8500.

This RAM kit also operates at a standard voltage of 1.5V and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience.

Technical Specifications
Part No. MAR3R1067T16G24X2
Capacity 32GB (2x 16GB)
Brand iRAM
Speed DDR3-1066 -1066MT/s - 1067MT/s - PC3-8500
Voltage 1.5V
Technology DDR3
Error Correction ECC
Signal Processing Registered
Form Factor 240-pin RDIMM
Ranks Dual rank
Configuration x4
Pieces in Kit 2


You can verify the compatibility of this RAM kit in a number of ways:

  • Use the RamCity Finder to see all guaranteed compatible RAM upgrades for your brand and model system or motherboard
  • Search online to see if this product is on the QVL (Qualified Vendor List) for your system or motherboard
  • Contact one of our Upgrade Evangelists for an expert opinion

Guaranteed Mac Compatible

This RAM kit has been specially designed and proven in iRAM's MAC lab and is guaranteed to meet or exceed all Apple specifications. To check compatibility and RAM upgrade options in your Mac, look up your specific model in our dedicated Apple Mac section, and don't be surprised if you can actually upgrade your Mac with double the amount of RAM that was originally specified by Apple.

Here at RamCity we've been upgrading Mac's since 2004 and have experts ready to answer your questions. Just contact us if you need help!

Why is this RAM kit 1066 MT/s when my existing RAM is 1067 MHz?

Good question! The actual speed is 1066.66 MT/s but in the RAM industry manufacturers round this figure down to 1066. On MacOS however, this number is rounded up so that it shows 1067.

Why is the speed of this RAM kit shown as 1066 MT/s instead of 1066 Mhz?

When it comes to measuring DDR RAM speed, MT/s and MHz are used interchangeably, which is not actually correct.

DDR stands for double data rate which means data is transfers on both the rising and falling edges of the clock signal. Meaning that the transfer rate is roughly twice the speed of the I/O bus clock. This RAM kit runs at 533MHz per second, but the effective rate is 1066 megatransfers per second (MT/s) because there are 533 million rising edges per second and 533 million falling edges per second of a clock signal running at 533 MHz.

Save 25% and more over buying a pre-configured server or workstation

Memory and storage account for over half of a typical server’s bill of materials (BOM) cost. Your CTO wants to keep a lid on spending but you need hardware that delivers the performance that your users need. By purchasing servers or workstations with minimal preinstalled components and then installing iRAM server memory, you can save 25% or more on your RAM costs – and maintain your OEM server warranties.

But don't I need to buy RAM and Storage components from my OEM to maintain the warranty?

Similar to how you can upgrade a system’s preinstalled processor or graphics card and choose whichever brand you want, you can also do the same with memory and storage. Laws in Australia, U.S. and all over the world protect comsumers and businesses so that you can swap out manufacturer pre-installed components for more cost-effective third-party components and still retain your product’s warranty. In practical terms, this means you can upgrade to iRAM brand memory without voiding your system’s original warranty. Don’t just take our word for it though, here’s what the manufacturer warranties say:

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