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Two green DDR4 SODIMM modules with black chips, 260 pins, no heat spreader

A-Tech

A-Tech 16GB (2x8GB) DDR4 2400 SODIMM 260-Pin memory upgrade for iMac Mid 2017 2019

SKU CH-KTQX-9XQV2

A 16 GB kit of two 8 GB DDR4 2400 SODIMM modules for 21.5-inch and 27-inch iMac models from 2017 and 2019

  • Capacity16GB (2 x 8GB)
  • SpeedDDR4 2400 (PC4 19200)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx8
  • 16 GB kit speeds up multitasking and load times
  • DDR4 2400 MHz PC4-19200 matches iMac 2017 and 2019 specs
  • 2 x 8 GB 260-pin SODIMM modules fill both slots
  • Non-ECC unbuffered 1Rx8 design ensures stable operation
  • Major-brand chips tested for reliability and lifetime warranty

16 GB DDR4 SODIMM kit for iMac

This 16 GB kit contains two 8 GB DDR4 2400 SODIMM modules built for Apple iMac models from Mid 2017 and 2019. It targets owners of those specific all-in-one desktops who want to add memory without changing the factory specification.

260-pin unbuffered non-ECC design

The modules use a standard 260-pin SO-DIMM form factor with 1Rx8 ranking and 1.20 V operation. No heat spreader is fitted, so the sticks sit flush inside the iMac's tight memory compartment and install without tools or cable routing.

Apple-certified compatibility list

The kit is validated for iMac18,2, iMac18,3 and iMac19,2 model IDs covering A1418, A1419 and A2116 chassis. Buyers with earlier iMacs, Mac mini, MacBook Pro or Windows laptops cannot use this memory.

商品特色

  • 16 GB kit speeds up multitasking and load times
  • DDR4 2400 MHz PC4-19200 matches iMac 2017 and 2019 specs
  • 2 x 8 GB 260-pin SODIMM modules fill both slots
  • Non-ECC unbuffered 1Rx8 design ensures stable operation
  • Major-brand chips tested for reliability and lifetime warranty

商品規格

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity16GB (2 x 8GB)
SpeedDDR4 2400 (PC4 19200)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

商品問答

Does DDR4 2400 (PC4-19200) run at its rated speed in the 2017 and 2019 iMac models?

Yes, these iMacs support DDR4 2400 natively, so the modules operate at their full 2400 MHz speed without downclocking.

Will the 260-pin SO-DIMM modules fit the memory slots in the 21.5-inch and 27-inch iMacs listed?

Yes, the 260-pin SO-DIMM form factor matches the DDR4 slots used in the compatible iMac 18,2, 18,3 and 19,2 models.

What is the correct way to install the two 8 GB modules, and what step do people often miss?

Power off and unplug the iMac, lay it screen-down on a soft cloth, open the memory door, eject any existing modules, insert both new modules firmly until they click, then close the door before restoring power.

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