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Four green DDR3 RDIMM sticks with gold contacts and silver heat spreaders

A-Tech

A-Tech 64GB Kit (4x16GB) DDR3 1066 ECC RDIMM 240-Pin Mac Pro 2009/2010 memory upgrade

SKU CH-0YHM-1XDRX

Four 16 GB DDR3 1066 ECC registered DIMMs add 64 GB to 2009 and 2010 eight-core Mac Pro towers

  • Capacity64GB (4 x 16GB)
  • SpeedDDR3 1066 (PC3 8500)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 64GB total capacity from four 16GB modules for heavy multitasking
  • DDR3 1066MHz PC3-8500 speed matches Mac Pro 2009/2010 specifications
  • ECC registered design protects data integrity in professional workloads
  • 240-pin RDIMM form factor fits Early 2009 and Mid 2010 Mac Pro towers
  • Lifetime warranty with US-based technical support included

System-Specific Mac Pro Memory

This 64 GB kit contains four 16 GB DDR3 1066 ECC registered DIMMs built for the Apple Mac Pro (Early 2009, 8-Core) and (Mid 2010, 8-Core). It matches Apple order numbers MB535LL/A and MC561LL/A and model identifiers MacPro4,1 and MacPro5,1. The modules run at 1.50 V and use major-brand chips tested to A-Tech standards.

Compatibility and Limits

The kit suits owners of the listed 8-core Mac Pro towers who need the full 64 GB capacity in a matched four-module set. It is not for systems that require unbuffered memory or non-ECC modules. Buyers with different Mac models or fewer than four available slots should verify their exact configuration before ordering.

Decisive Specification

The registered ECC RDIMM form factor with 240-pin DDR3 1066 (PC3-8500) signalling is the single detail that decides fitment; only Mac Pro towers that accept registered ECC DDR3 at this speed will recognise the modules.

Punti di forza

  • 64GB total capacity from four 16GB modules for heavy multitasking
  • DDR3 1066MHz PC3-8500 speed matches Mac Pro 2009/2010 specifications
  • ECC registered design protects data integrity in professional workloads
  • 240-pin RDIMM form factor fits Early 2009 and Mid 2010 Mac Pro towers
  • Lifetime warranty with US-based technical support included

Caratteristiche tecniche

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity64GB (4 x 16GB)
SpeedDDR3 1066 (PC3 8500)
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Domande su questo articolo

How do I install the four 16GB RDIMM modules in my Mac Pro 2009/2010, and which slot order is often missed?

Power down, open the side panel, release the memory riser latch, and seat each 240‑pin module in the four slots on the riser — fill all four before closing the latch.

What maintenance will this 64GB ECC registered kit need over its service life?

No routine maintenance is required; the modules are sealed and tested. If a stick fails, the lifetime warranty covers replacement.

What is the first limit reached under sustained load with DDR3‑1066 registered ECC memory?

The memory controller caps bandwidth at 1066 MHz, so sustained throughput is limited by that bus speed rather than thermals.

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