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A green 260-pin DDR4 SODIMM module with black memory chips, no heat spreader

A-Tech

A-Tech 4GB DDR4 2133MHz SODIMM 260-Pin Memory Upgrade for iMac 21.5 Mid 2017

SKU CH-07EX-QBJGD

4GB DDR4 2133MHz SODIMM module upgrades compatible 21.5-inch iMac Mid 2017 systems

  • Capacity4GB
  • SpeedDDR4 2133 (PC4 17000)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx8
  • 4GB DDR4 module expands iMac 21.5 Mid 2017 capacity for smoother multitasking
  • 2133MHz PC4-17000 speed matches factory spec for stable operation
  • 260-pin SODIMM form factor installs directly in Apple iMac18,1 slots
  • 20V low-voltage DDR4 reduces power draw and heat output
  • Lifetime warranty plus US-based tech support backs every A-Tech upgrade

A-Tech 4GB DDR4 2133MHz SODIMM

This 4GB DDR4 module runs at 2133MHz with a 1.20V operating voltage. It uses a 260-pin SO-DIMM form factor and unbuffered, non-ECC architecture. The single-rank 1Rx8 design employs major brand chips for reliable operation in compatible Apple systems.

Suits 21.5-inch iMac Mid 2017 model A1418 EMC 3068

This upgrade fits the iMac18,1 system ID and Apple order number MMQA2LL/A. Buyers with different iMac screen sizes, different release years, or Apple Silicon systems cannot use this module because the physical and electrical interfaces differ. Those needing higher capacity than 4GB should look elsewhere.

DDR4 2133MHz PC4-17000 260-pin SO-DIMM specification

The memory speed rating of DDR4 2133 (PC4-17000) combined with the 260-pin SO-DIMM form factor determines whether this part will install and function. Verify your system requires exactly this speed and pin count before ordering, as other DDR generations or pin layouts are physically incompatible.

Přednosti

  • 4GB DDR4 module expands iMac 21.5 Mid 2017 capacity for smoother multitasking
  • 2133MHz PC4-17000 speed matches factory spec for stable operation
  • 260-pin SODIMM form factor installs directly in Apple iMac18,1 slots
  • 20V low-voltage DDR4 reduces power draw and heat output
  • Lifetime warranty plus US-based tech support backs every A-Tech upgrade

Specifikace

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity4GB
SpeedDDR4 2133 (PC4 17000)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Otázky k tomuto produktu

Does this DDR4 2133 MHz SODIMM need a free 260-pin slot in my iMac 21.5 Mid 2017?

Yes, the module uses the standard 260-pin SO-DIMM form factor and installs in an available memory slot on the iMac18,1 logic board.

Will this 4 GB PC4-17000 stick run at the correct speed alongside any existing 2133 MHz DDR4 modules?

The system will operate all installed DDR4 memory at 2133 MHz, so this 1Rx8 unbuffered module matches the native speed of the Mid 2017 iMac.

How can I confirm the new 4 GB module is recognised after installation?

Open About This Mac or System Report; the memory section should show the additional 4 GB DDR4 2133 MHz SO-DIMM and the updated total capacity.

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