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Three green DDR3 240-pin ECC registered memory modules in a static-safe tray

A-Tech

A-Tech 48GB Kit (3x16GB) DDR3 1066 ECC RDIMM 240-Pin Mac Pro Memory Upgrade

SKU CH-YYZT-YTMQ7

48 GB DDR3 1066 ECC registered memory kit with three 16 GB RDIMMs for Mac Pro 2009–2012 towers

  • Capacity48GB (3 x 16GB)
  • SpeedDDR3 1066 (PC3 8500)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 48GB capacity with three 16GB modules for heavy workloads
  • DDR3 1066 speed matches original Mac Pro specifications
  • ECC registered design protects data integrity in critical tasks
  • Compatible with Mac Pro models from 2009 through 2012
  • Major brand chips tested to strict quality standards

Capacity & Compatibility

This 48GB kit contains three 16GB DDR3 1066 ECC registered DIMMs built for specific Apple Mac Pro towers. It matches the DDR3 1066/1067MHz PC3-8500 240-pin specification required by Early 2009, Mid 2010 and Mid 2012 models with four or eight cores. The modules operate at 1.50V and use major brand chips for reliable operation in these systems.

Who This Suits

Owners of Mac Pro order numbers MB535LL/A, MB871LL/A, MC250LL/A, MC560LL/A, MC915LL/A, MC561LL/A, MD770LL/A or MD772LL/A can use this kit to reach 48GB across three slots. Buyers who need more capacity than three modules provide or whose Mac Pro model ID is not MacPro4,1 or MacPro5,1 should look at something else.

Registered ECC Requirement

The motherboard requires registered ECC DDR3 RDIMMs; unbuffered or non-ECC modules will not work in these Mac Pro towers. This kit meets that requirement with 4Rx4 organisation and PC3-8500 speed rating.

Points forts

  • 48GB capacity with three 16GB modules for heavy workloads
  • DDR3 1066 speed matches original Mac Pro specifications
  • ECC registered design protects data integrity in critical tasks
  • Compatible with Mac Pro models from 2009 through 2012
  • Major brand chips tested to strict quality standards

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity48GB (3 x 16GB)
SpeedDDR3 1066 (PC3 8500)
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

What DDR3 speed and PC3 rating does this kit run at?

The modules are rated DDR3 1066/1067 MHz, which corresponds to PC3-8500 bandwidth.

What physical slot type and module height must the Mac Pro have to accept these RDIMMs?

The Mac Pro needs 240-pin DDR3 RDIMM slots; each module is a standard-height registered DIMM.

How are the three 16 GB sticks installed in a Mac Pro (Early 2009–Mid 2012), and which slot order is often missed?

Populate the three slots on one memory riser in the sequence marked 1, 2, 3; the common mistake is skipping a slot or splitting the kit across both risers.

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