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Two green DDR3 ECC UDIMM sticks, 240-pin, no heat spreader

A-Tech

A-Tech 8GB Kit (2x4GB) DDR3 1866/1867MHz ECC UDIMM 240-Pin Memory Upgrade

SKU CH-M55B-RF9AC

8GB DDR3 1866 ECC UDIMM kit for Apple Mac Pro Late 2013 cylinder systems

  • Capacity8GB (2 x 4GB)
  • SpeedDDR3 1866 (PC3 14900)
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor Brand Chipset
  • 8GB dual-channel kit expands Mac Pro memory capacity
  • DDR3 1866/1867 MHz PC3-14900 speed matches factory specification
  • ECC unbuffered design protects data integrity during intensive workloads
  • 240-pin UDIMM form factor installs directly into Late 2013 cylinder Mac Pro
  • Lifetime warranty with US-based technical support included

Mac Pro Cylinder memory kit

This 8 GB kit contains two 4 GB DDR3 ECC UDIMM modules rated at 1866/1867 MHz PC3-14900. It is built for the Apple Mac Pro (Late 2013, cylinder) and matches Apple order numbers ME253LL/A, MD878LL/A, MQGG2LL/A and BTO/CTO configurations. The modules run at 1.50 V and use major-brand chips with a 1Rx8 organisation.

Not for non-Cylinder Macs or non-ECC builds

The kit suits owners of a MacPro6,1 (A1481 EMC 2630) running Xeon E5-1620v2, E5-1650v2, E5-1680v2 or E5-2697v2 processors who need ECC unbuffered memory. It will not fit iMac, Mac mini, MacBook Pro or Mac Pro tower models, nor systems that require registered or load-reduced DIMMs or non-ECC memory.

1866/1867 MHz DDR3 ECC UDIMM speed

The decisive specification is the 1866/1867 MHz DDR3 ECC UDIMM rating (PC3-14900). Your Mac Pro cylinder must accept this exact speed, voltage and ECC unbuffered type; otherwise the modules will not be recognised or will run at a lower speed.

Points forts

  • 8GB dual-channel kit expands Mac Pro memory capacity
  • DDR3 1866/1867 MHz PC3-14900 speed matches factory specification
  • ECC unbuffered design protects data integrity during intensive workloads
  • 240-pin UDIMM form factor installs directly into Late 2013 cylinder Mac Pro
  • Lifetime warranty with US-based technical support included

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR3 Apple Mac RAM Memory Upgrades
Capacity8GB (2 x 4GB)
SpeedDDR3 1866 (PC3 14900)
Voltage1.50V
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

Should I choose the 8GB kit with two 4GB modules or a single 8GB module for my Mac Pro?

The kit ships as two 4GB modules, which lets the Late 2013 Mac Pro run in dual-channel mode for maximum memory bandwidth.

What does the DDR3 1866/1867 MHz rating mean once the memory is installed in the Mac Pro?

The modules will operate at 1866 MHz, delivering PC3-14900 transfer rates that match the Xeon E5 v2 memory controller specification.

Is this ECC UDIMM 240-pin memory compatible with the Mac Pro's memory slots and does it support error correction?

Yes, the 240-pin ECC UDIMM form factor fits the Mac Pro (Late 2013) slots and provides full ECC error correction at 1.50V.

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