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A-Tech
A-Tech 8GB Kit (2x4GB) DDR4 2133MHz SODIMM 260-Pin for iMac 21.5 Mid 2017
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.
I korthet
- 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
Specifikationer
| Brand | A-Tech |
|---|---|
| Series | A-Tech DDR4 Apple Mac RAM Memory Upgrades |
| Capacity | 8GB (2 x 4GB) |
| Speed | DDR4 2133 (PC4 17000) |
| Voltage | 1.20V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
| Heat Spreader | No |
| Compatible System | Apple Mac Systems |
| Features | Major Brand Chips |
Frågor om den här produkten
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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