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Two green DDR3 ECC RDIMM modules with gold contacts on black circuit boards

A-Tech

A-Tech 8GB Kit (2x4GB) DDR3 1333MHz ECC RDIMM 240-Pin Memory Upgrade

SKU CH-8VVQ-NBMGJ

An 8 GB DDR3 ECC registered memory kit for Mac Pro models from 2010 and 2012

  • Capacity8GB (2 x 4GB)
  • SpeedDDR3 1333 (PC3 10600)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 8GB DDR3 kit boosts Mac Pro multitasking capacity
  • 1333MHz ECC registered modules protect data integrity
  • Dual 4GB RDIMMs fit 240-pin Mac Pro slots
  • Tested for Apple Mac Pro 2010 and 2012 models
  • Major-brand chips validated through rigorous quality testing

Designed for Mac Pro Tower

This 8GB kit contains two 4GB DDR3 1333MHz ECC registered DIMMs built for Apple Mac Pro systems from Mid 2010 and Mid 2012 with 6-core or 12-core Xeon processors. It matches the MD771LL/A order number and MacPro5,1 model identifier for direct compatibility.

Thermals noise and power

Operating at a standard 1.50V, these registered modules draw typical DDR3 power without additional cooling requirements. The ECC registered design adds minimal electrical load while maintaining signal integrity across the memory bus during sustained workloads.

ECC registered DDR3

The kit provides 2Rx4 ECC registered DDR3 memory at PC3-10600 speed, a requirement for the target Mac Pro models to boot and run stably. Systems needing unbuffered non-ECC UDIMMs or a different DDR generation cannot use this memory.

Points forts

  • 8GB DDR3 kit boosts Mac Pro multitasking capacity
  • 1333MHz ECC registered modules protect data integrity
  • Dual 4GB RDIMMs fit 240-pin Mac Pro slots
  • Tested for Apple Mac Pro 2010 and 2012 models
  • Major-brand chips validated through rigorous quality testing

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity8GB (2 x 4GB)
SpeedDDR3 1333 (PC3 10600)
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

How do I install the 240-pin RDIMM modules in the Mac Pro and what slot order should I follow?

Power down the Mac Pro, open the side panel, and insert each 4 GB DDR3 1333 MHz module into the DIMM slots in matching pairs starting with the lowest-numbered slots for each CPU tray; the registered ECC design requires firm, even pressure until the latches click.

Will the ECC registered DIMMs need any firmware updates or periodic re-seating over time?

No firmware updates are required for the DDR3 1333 MHz ECC RDIMM kit; the modules are tested for lifetime reliability and only need re-seating if the system reports memory errors after a major hardware change.

At what workload level does the 1.50 V DDR3 1333 MHz speed become the bottleneck?

Sustained memory-intensive tasks that exceed the 1333 MT/s transfer rate — such as large dataset processing or heavy virtualization — will hit the DDR3 1333 MHz bandwidth ceiling before the registered ECC logic or voltage limit.

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