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Four green DDR4 SODIMM modules with black chips, no heat spreaders

A-Tech

A-Tech 32GB (4x8GB) DDR4 2666MHz SODIMM 260-Pin memory upgrade for Apple iMac 2019 2020

SKU CH-3D46-FJR6M

A 32 GB DDR4 kit of four 8 GB SODIMM modules running at 2666 MHz for 2019 and 2020 iMac models

  • Capacity32GB (4 x 8GB)
  • SpeedDDR4 2666 (PC4 21300)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx8
  • 32 GB kit boosts multitasking with four 8 GB modules
  • DDR4 2666 MHz speed accelerates load times on supported iMacs
  • 260-pin SODIMM form factor fits 27-inch 2019 and 2020 models
  • 20 V low voltage reduces power draw while running cool
  • Tested with major-brand chips for reliable operation in Apple systems

iMac 2019 2020 DDR4 SODIMM kit

This 32 GB kit contains four 8 GB DDR4 2666 MHz SODIMM modules built for Apple iMac models released in 2019 and 2020. The unbuffered non-ECC memory runs at 1.20 V and uses a 260-pin form factor that fits the user-accessible slots on those systems.

Suits owners of listed iMacs not other Macs

The modules are validated for iMac19,1 and iMac20,1/20,2 model IDs and the Apple order numbers MRQY2LL/A, MRR02LL/A, MRR12LL/A, MXWT2LL/A, MXWU2LL/A and MXWV2LL/A. Buyers with different Mac models or with soldered memory architectures cannot use this DDR4 SODIMM kit.

260-pin DDR4 2666 MHz specification

The decisive specification is the DDR4 2666 (PC4-21300) 260-pin SODIMM interface; only iMacs that accept this exact module type can install the kit. Systems requiring a different pin count, voltage or memory generation will not be compatible.

Pontos fortes

  • 32 GB kit boosts multitasking with four 8 GB modules
  • DDR4 2666 MHz speed accelerates load times on supported iMacs
  • 260-pin SODIMM form factor fits 27-inch 2019 and 2020 models
  • 20 V low voltage reduces power draw while running cool
  • Tested with major-brand chips for reliable operation in Apple systems

Especificações

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity32GB (4 x 8GB)
SpeedDDR4 2666 (PC4 21300)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Perguntas sobre este artigo

Should I pick the 32 GB kit or a smaller capacity for my 2019 or 2020 iMac?

The kit provides 32 GB in four 8 GB modules, filling all four slots on supported 27-inch iMac models from 2019 and 2020 for the maximum factory-supported memory.

What does the 2666 MHz rating mean once the modules are installed in my iMac?

The memory runs at DDR4 2666 MHz (PC4-21300), matching the iMac's native memory controller speed so the system operates at its rated bandwidth without downclocking.

Will the 260-pin SODIMM interface work with my iMac's memory slots?

Yes — the 260-pin DDR4 SODIMM form factor is the exact slot type used by the 2019 and 2020 27-inch iMac models listed in the compatibility data.

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