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Praćeni artikli Prijava
Two green circuit-board sticks with black chips, no heat spreader, 260-pin SODIMM form factor

A-Tech

A-Tech 8GB Kit (2x4GB) DDR4 2133MHz SODIMM 260-Pin for iMac 21.5 Mid 2017

SKU CH-R4VW-S5MXR

DDR4 2133 MHz 8 GB kit (2 × 4 GB) SODIMM 260-pin for iMac 21.5 Mid 2017

  • Capacity8GB (2 x 4GB)
  • SpeedDDR4 2133 (PC4 17000)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx8
  • 8GB dual-channel kit speeds up iMac multitasking
  • DDR4 2133 MHz matches factory memory spec
  • 260-pin SODIMM fits 21.5-inch Mid 2017 iMac exactly
  • 20 V low-voltage modules run cool without spreaders
  • Apple-certified compatibility with model iMac18,1 and EMC 3068

Targeted iMac Memory Upgrade

This 8 GB DDR4 kit (2 x 4 GB) is built for the 21.5-inch iMac released in mid 2017. It matches the factory DDR4 2133 MHz specification and uses the 260-pin SODIMM form factor required by that model. The modules are non-ECC, unbuffered, and run at 1.20 V.

Drop-In Installation

Each stick fits directly into the iMac’s two SO-DIMM slots without adapters or configuration changes. The 1Rx8 rank layout matches the system’s memory controller expectations, so the computer recognises the full 8 GB immediately after the cover is replaced and the machine restarts.

Replaces Slower Base Configurations

The kit upgrades iMacs that shipped with 4 GB or 8 GB of slower memory, eliminating the bottleneck that appears when multiple apps or browser tabs compete for RAM. It does not serve machines that require ECC, registered DIMMs, or a different DDR generation.

Istaknuto

  • 8GB dual-channel kit speeds up iMac multitasking
  • DDR4 2133 MHz matches factory memory spec
  • 260-pin SODIMM fits 21.5-inch Mid 2017 iMac exactly
  • 20 V low-voltage modules run cool without spreaders
  • Apple-certified compatibility with model iMac18,1 and EMC 3068

Specifikacije

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity8GB (2 x 4GB)
SpeedDDR4 2133 (PC4 17000)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Pitanja o ovom artiklu

Does the 2133 MHz DDR4 speed limit bandwidth during sustained workloads?

The modules run at DDR4 2133 MHz (PC4-17000), which sets the maximum data rate for continuous use.

How much heat or power do the 1.20 V unbuffered SODIMMs produce when running all day?

At 1.20 V without a heat spreader, the 1Rx8 chips generate typical DDR4 SODIMM thermals for a 21.5-inch iMac chassis.

Which iMac model identifiers must the machine already show for this 260-pin kit to work?

The system must report iMac18,1 or match Apple order number MMQA2LL/A and model A1418 (EMC 3068).

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