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Single green DDR3 240-pin RDIMM module with black chips, no heat spreader

A-Tech

A-Tech 32GB DDR3 1333MHz ECC RDIMM 240-Pin Memory Upgrade for Apple Mac Pro (Late 2013, Cylinder)

SKU CH-MS5Z-HZG1A

32GB DDR3 1333MHz ECC registered 240-pin module for Apple Mac Pro Late 2013 cylinder systems

  • Total capacity32 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Compatible systemsApple Mac Systems
  • 32 GB capacity lets you run large workloads on Mac Pro (Late 2013)
  • DDR3 1333 MHz PC3-10600 speed matches factory specification
  • ECC registered design protects data integrity for Xeon processors
  • 240-pin RDIMM form factor fits the cylinder Mac Pro slot
  • Tested for Apple model IDs MacPro6,1 and order numbers ME253LL/A, MD878LL/A, MQGG2LL/A

Apple Mac Pro Cylinder memory upgrade

This 32 GB DDR3 1333 MHz ECC registered RDIMM is built for the Apple Mac Pro Late 2013 cylinder model. It uses a 240-pin form factor, runs at 1.50 V and carries major-brand chips for reliable operation in that specific workstation.

Suited for Late 2013 Mac Pro owners adding

The module fits MacPro6,1 systems with order numbers ME253LL/A, MD878LL/A, MQGG2LL/A and compatible Xeon processors listed at 2.7 GHz, 3.0 GHz, 3.5 GHz and 3.7 GHz. It is not for users whose Mac requires unbuffered UDIMM memory, for systems that only accept a different DDR generation, or for buyers who need a matched pair or kit rather than a single module.

32 GB single-module capacity drives the decision

The part delivers 32 GB in one stick, so total memory scales with the number of slots you populate. If your workflow needs more capacity per slot or a different rank configuration, this module will not match that requirement.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $65.99
Cheaper than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $2.06 per GB
Cheaper than about 93% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Apple Mac RAM Memory Upgrades
Total capacity32 GB
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

Does this module need a specific Mac Pro model to work?

It is designed for the Mac Pro (Late 2013, Cylinder) with model ID MacPro6,1 and order numbers ME253LL/A, MD878LL/A, MQGG2LL/A or BTO/CTO configurations.

Can I mix this 32 GB ECC RDIMM with the original 4 GB or 8 GB modules already in my Mac Pro?

Yes, the Mac Pro (Late 2013) supports mixed capacities across its four slots; this 32 GB DDR3 1333 MHz ECC registered DIMM will operate alongside the factory modules at the system's default speed.

How can I verify the Mac Pro recognises the full 32 GB after installation?

Open About This Mac or System Report — it should show 32 GB of DDR3 1333 MHz ECC memory in the slot you populated, and the total installed memory will increase by 32 GB.

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