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Green circuit board SODIMM module with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR4 2400MHz SODIMM 260-Pin Memory Upgrade for iMac 2017 2019

SKU CH-HMER-E98TV

4 GB DDR4 2400 MHz SODIMM upgrade for 21.5-inch and 27-inch iMac models from 2017 and 2019

  • Capacity4GB
  • SpeedDDR4 2400 (PC4 19200)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx16
  • 4GB capacity expands multitasking headroom for daily workloads
  • DDR4 2400MHz speed matches factory specifications exactly
  • 260-pin SODIMM form factor fits 21.5-inch and 27-inch iMac slots
  • 20V low voltage reduces power draw and heat output
  • Apple-certified compatibility verified for iMac18,2, iMac18,3 and iMac19,2 model IDs

Compatible Apple iMac Models

This 4GB DDR4 SODIMM targets owners of the iMac Retina 4K 21.5-inch Mid 2017, iMac Retina 5K 27-inch Mid 2017 and iMac Retina 4K 21.5-inch 2019. It matches Apple order numbers MNDY2LL/A, MNE02LL/A, MNE92LL/A, MNEA2LL/A, MNED2LL/A and MRT32LL/A.

Who Should Look Elsewhere

Builders needing ECC, registered modules, higher capacities or speeds beyond DDR4 2400 should choose different memory. This stick is non-ECC, unbuffered, single-rank 1Rx16 and has no heat spreader, so it does not meet server or high-performance overclocking requirements.

DDR4 2400MHz SODIMM 260-Pin Specification

The module runs at DDR4 2400 (PC4-19200) with a 1.20V operating voltage and 260-pin SO-DIMM form factor. This single speed, voltage and pin count combination determines whether the part fits and works in the listed iMac models.

Puntos fuertes

  • 4GB capacity expands multitasking headroom for daily workloads
  • DDR4 2400MHz speed matches factory specifications exactly
  • 260-pin SODIMM form factor fits 21.5-inch and 27-inch iMac slots
  • 20V low voltage reduces power draw and heat output
  • Apple-certified compatibility verified for iMac18,2, iMac18,3 and iMac19,2 model IDs

Especificaciones

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity4GB
SpeedDDR4 2400 (PC4 19200)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx16
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Preguntas sobre este artículo

Should I buy one 4 GB module or two for my iMac?

This listing is a single 4 GB DDR4 2400 MHz SODIMM. Check your iMac's slot count and current configuration to decide whether one or two modules suit your upgrade plan.

What does the 2400 MHz rating mean once the module is installed?

The module runs at DDR4 2400 (PC4-19200) with 1.20 V voltage, delivering the rated transfer speed when the system memory controller operates at that frequency.

Will this 260-pin SODIMM work in my iMac's memory slot?

Yes, it is a 260-pin DDR4 SO-DIMM built to the PC4-19200 standard and listed as compatible with iMac18,2, iMac18,3 and iMac19,2 model IDs.

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