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Three green DDR3 ECC RDIMM sticks, 240-pin, silver heat spreaders, 24GB kit

A-Tech

A-Tech 24GB (3x8GB) DDR3 1066 ECC RDIMM memory upgrade

SKU CH-9EWK-03KY6

24 GB DDR3 1066 ECC registered RDIMM kit for early Mac Pro and Xserve models

  • Capacity24GB (3 x 8GB)
  • SpeedDDR3 1066 (PC3 8500)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 24 GB total capacity from three 8 GB modules
  • DDR3 1066 MHz speed matches Apple Mac Pro and Xserve specifications
  • ECC registered design protects data integrity in workstation workloads
  • 50 V operating voltage aligns with original system requirements
  • Lifetime warranty backed by US-based technical support

Mac Pro and Xserve memory upgrade

This 24GB kit contains three 8GB DDR3 1066 ECC registered DIMMs built for select Apple Mac Pro and Xserve models. The modules run at 1.50V and use major-brand chips validated for Mac systems. Each stick is a 240-pin RDIMM rated PC3-8500 with 2Rx4 organisation. The kit targets owners of compatible Mac Pro towers from 2009 to 2012 and Early 2009 Xserve units.

Suits Mac Pro towers and Xserve servers

The memory fits Mac Pro models identified as MacPro4,1 and MacPro5,1 plus Xserve3,1, covering order numbers MB449LL/A, MB535LL/A, MB871LL/A, MC250LL/A, MC560LL/A, MC915LL/A, MC561LL/A, MD770LL/A and MD772LL/A. Buyers with later Mac Pro designs, iMac, MacBook or any non-Apple platform cannot use these registered DIMMs. Systems requiring unbuffered memory or a different DDR generation must look elsewhere.

1066 MHz DDR3 ECC registered speed

The decisive specification is the DDR3 1066 (PC3-8500) ECC registered interface; the Mac Pro and Xserve memory controllers only accept this exact speed and signalling. Installing faster, slower or unbuffered modules will prevent boot or cause errors. Verify your model ID matches MacPro4,1, MacPro5,1 or Xserve3,1 before purchasing.

Points forts

  • 24 GB total capacity from three 8 GB modules
  • DDR3 1066 MHz speed matches Apple Mac Pro and Xserve specifications
  • ECC registered design protects data integrity in workstation workloads
  • 50 V operating voltage aligns with original system requirements
  • Lifetime warranty backed by US-based technical support

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity24GB (3 x 8GB)
SpeedDDR3 1066 (PC3 8500)
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

How much power does the 1.50V DDR3 1066 RDIMM kit draw when the Mac Pro runs all day?

Each 8 GB module operates at 1.50 V DDR3 standard voltage; total system draw depends on the Mac Pro's memory controller and workload, not on the kit alone.

What must the Mac Pro already have for this 240-pin ECC RDIMM kit to work?

A compatible Mac Pro (Early 2009, Mid 2010 or Mid 2012, 4-core or 8-core) or Xserve (Early 2009) with free DDR3 RDIMM slots and a supported Xeon processor.

Will this PC3-8500 ECC registered memory run with the original 1066 MHz modules already in my Mac Pro?

Yes, the kit is DDR3 1066/1067 MHz PC3-8500 ECC RDIMM, matching the factory speed and registered ECC specification of the supported Mac Pro and Xserve models.

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