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Eight green DDR3 RDIMM modules with gold contacts in a row

A-Tech

A-Tech 128GB (8x16GB) DDR3 1066 ECC RDIMM Mac Pro 2009/2010 memory upgrade

SKU CH-4E6V-MGBER

Eight 16 GB DDR3 1066 ECC registered DIMMs add 128 GB to 2009 or 2010 eight-core Mac Pro towers

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Compatible systemsApple Mac Systems
  • 128 GB capacity for heavy multitasking with eight 16 GB modules
  • ECC registered DDR3 1066 MHz for data integrity and stability
  • Certified for Mac Pro Early 2009 and Mid 2010 8‑Core models
  • 240‑pin RDIMM form factor matches original Apple specifications
  • Lifetime warranty with US‑based technical support included

Designed for Mac Pro 2009 and 2010

This 128GB kit supplies eight 16GB DDR3 1066 registered ECC modules built for the early 2009 8-core Mac Pro and the mid 2010 8-core Mac Pro. It matches the Apple order numbers MB535LL/A and MC561LL/A and the model identifiers MacPro4,1 and MacPro5,1.

Suits owners of those specific towers

The memory fits only the listed 8-core Mac Pro configurations from 2009 and 2010. Builders using other Mac Pro models, different core counts, or non-Apple workstations cannot use this kit. Buyers who need unbuffered DIMMs or a different speed grade should look elsewhere.

Registered ECC RDIMM requirement

Each module is a 240-pin DDR3 1066 (PC3-8500) registered ECC DIMM running at 1.50V with a 4Rx4 organisation. The Mac Pro memory controller requires registered ECC RDIMMs; unbuffered or non-ECC memory will not function in these systems.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $413.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $3.23 per GB
Cheaper than about 89% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Apple Mac RAM Memory Upgrades
Total capacity128 GB (8 × 16 GB)
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

How can I verify the 128GB kit is running at the correct 1066 MHz speed after installation?

Open System Information on the Mac Pro and confirm the memory section shows DDR3 1066/1067 MHz PC3-8500 for all eight 16GB modules.

What comes in the box and do I need any extra brackets or tools for the Mac Pro?

The package contains eight 16GB DDR3 ECC RDIMM modules; the Mac Pro uses tool-less drive bays so no extra brackets or tools are required.

Which Mac Pro models and order numbers are covered by this 128GB kit?

This kit is designed for Mac Pro Early 2009 8-Core (MB535LL/A, MacPro4,1, A1289 EMC 2314) and Mid 2010 8-Core (MC561LL/A, MacPro5,1, A1289 EMC 2314-2).

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