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Single green DDR3 ECC UDIMM module with black chips, no heat spreader, 240-pin edge connector

A-Tech

A-Tech 8GB DDR3 1866 ECC UDIMM 240-Pin Mac Pro 2013

SKU CH-84Z8-HYH5T

8GB DDR3 1866MHz ECC UDIMM module designed for Apple Mac Pro Late 2013 cylinder systems

  • Total capacity8 GB
  • Rated speedDDR3 1866 (PC3 14900)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Compatible systemsApple Mac Systems
  • 8GB DDR3 1866MHz ECC UDIMM for faster multitasking on Mac Pro 2013
  • ECC unbuffered design with 2Rx8 rank protects data integrity during heavy workloads
  • Major-brand chips tested to strict quality standards ensure reliable operation
  • 240-pin form factor installs directly into Mac Pro (Late 2013) memory slots
  • Lifetime warranty with US-based technical support backs every module

8GB DDR3 ECC module for Mac Pro 2013

This 8 GB DDR3 1866 MHz ECC UDIMM is built specifically for the Apple Mac Pro Late 2013 cylinder. It uses a 240-pin unbuffered design with major-brand chips and runs at 1.50 V. The single module adds error-correcting memory to compatible Xeon workstations.

Suits owners of MacPro6,1 needing ECC reliability

Buyers who want non-ECC memory or a different DDR generation cannot use this module. Systems outside the listed Apple order numbers ME253LL/A, MD878LL/A, MQGG2LL/A and model ID MacPro6,1 are not supported. The part does not fit standard PC motherboards.

Fits the Mac Pro four-slot memory tray

The UDIMM installs directly into the 240-pin slots without adapters. ECC operation depends on the installed Xeon processor supporting the feature. No heat spreader is included, so airflow in the Mac Pro chassis handles cooling. The module leaves the remaining three slots free for further expansion.

How it compares

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

Price $47.99
Cheaper than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.00 per GB
Cheaper than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Apple Mac RAM Memory Upgrades
Total capacity8 GB
Performance
Rated speedDDR3 1866 (PC3 14900)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

My Mac Pro (Late 2013) currently has four 4 GB modules installed — will this 8 GB DDR3 1866 ECC UDIMM fit in the remaining slot?

Yes, the module uses the 240-pin ECC UDIMM form factor required by the Mac Pro (Late 2013) and runs at 1.50 V, so it will seat in any free slot.

If I keep the original 1866 MHz memory and add this stick, will the system still run at 1866 MHz?

The module is rated for DDR3 1866/1867 MHz (PC3-14900); when mixed with identical-speed sticks the Mac Pro will continue to operate at 1866 MHz.

After installing the module, how can I confirm the Mac recognises the full 8 GB with ECC active?

Open About This Mac → System Report → Memory; you should see an 8 GB DDR3 ECC UDIMM entry at 1867 MHz with ECC status shown as enabled.

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