---
product_id: 34446213
title: "A-Tech 32GB (4x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit"
brand: "a-tech"
price: "$379"
currency: NZD
in_stock: true
reviews_count: 13
category: "A Tech"
url: https://www.desertcart.nz/products/34446213-a-tech-32gb-4x8gb-ram-for-apple-imac-late-2015
store_origin: NZ
region: New Zealand
---

# 1866/1867 MHz high-speed DDR3L 32GB total capacity 1.35V low voltage efficient A-Tech 32GB (4x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit

**Brand:** a-tech
**Price:** $379
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your iMac’s brainpower — because speed waits for no one!

## Quick Answers

- **What is this?** A-Tech 32GB (4x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit by a-tech
- **How much does it cost?** $379 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/34446213-a-tech-32gb-4x8gb-ram-for-apple-imac-late-2015)

## Best For

- a-tech enthusiasts

## Why This Product

- Trusted a-tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Massive 32GB Upgrade:** Quad-channel 4x8GB modules for seamless multitasking and future-proofing your iMac.
- • **Blazing Fast DDR3L Speed:** Runs at 1866/1867 MHz to slash load times and boost app responsiveness.
- • **Energy-Smart Performance:** Operates at 1.35V for cooler, quieter, and more efficient power usage.
- • **Perfect iMac Compatibility:** Tailored for Late 2015 27-inch Retina 5K iMac (Model iMac17,1) ensuring plug-and-play ease.
- • **Lifetime Warranty & Support:** Backed by A-Tech’s lifetime warranty plus US-based tech support for total peace of mind.

## Overview

The A-Tech 32GB (4x8GB) DDR3L 1866/1867 MHz SO-DIMM memory kit is a precision-engineered upgrade for the Late 2015 27-inch Retina 5K iMac (Model iMac17,1). Delivering a substantial boost in multitasking and system responsiveness with low-voltage efficiency, this kit ensures reliable, error-free performance backed by lifetime warranty and dedicated US tech support.

## Description

Buy A-Tech 32GB (4x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit: Memory - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Saved 30% on OWC pricing, and no errors on testing - My iMac (model 17,1) was a new release with the highest specs when I bought it in late 2015. I upgraded early on from 8GB to 24GB of RAM through OWC, and that memory has worked great. But I was not looking to spend the same price for RAM at the end of 2020 as I did in late 2015, and for a computer that was five years old. I took a risk on this A-Tech RAM to save 30% on the price of OWC. As the rightmost photo below shows, the RAM passed MemTest (free version) with zero errors. In terms of performance, the RAM increase was just 24GB to 32GB, so only a one-third increase. However, per the second-from-right photo below, the tests show memory pressure about halved from before the new RAM installation (Dec. 24, 2020). The use of compressed memory declined substantially (see third-from-right photo). I did not experience the problem reported by some other reviewers about the RAM not running at full speed. As the leftmost photo below shows, the memory is running at 1867 MHz. If your memory does not run at full speed, make sure that you are pairing the memory modules so that the new modules from A-Tech are paired with each other in your memory slots. My iMac was running fine even with 24GB, so don't expect a major improvement jumping to 32GB. But at least the testing shows a performance improvement. I sense a bit of an everyday speed boost, but it has been slight. With Photos and iMovie, you might see some more benefit.
Review: Easy To Replace and Assemble. - FANTASTIC! I had to do a little research to make sure I was ordering the right product for my iMac System specs. Double check and Double check. And then after I ordered, I was nervous that the precise product would be shipped. Delivery was prompt. Next, unplug and wait about 30 minutes to let the iMac cool down. Wear plastic gloves to keep any finger oils from contaminating the memory boards and slots. Pull the old boards out. Push and snap the new memory boards in. It took the Activity Monitor about 5 minutes to recognize and monitor the system. Compatibility is spot on. Memory speed is greatly improved. RAM upgrade is wonderful. EVERYTHING IS PERFECT!

## Features

- 32GB Kit ( 4 x 8GB Modules ) | DDR3/DDR3L 1866 MHz / 1867 MHz ( PC3L-14900 / PC3L-14900S ) | DDR3L SO-DIMM ( 204-Pin ) | Non-ECC Unbuffered | 2Rx8 - Dual Rank x8 | 1.35V - DDR3 Low Voltage (Can operate at 1.35V or 1.5V)
- Compatible with the iMac Late 2015 (Retina 5K, 27-inch) | Model ID: iMac17,1 | Part Numbers: MK462LL/A, MK472LL/A, MK482LL/A
- Maximizes the performance of your system by speeding up loading times, boosting responsiveness, and improving the ability to support greater workloads
- All modules undergo quality assurance testing to ensure dependable and reliable performance
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01C7YZ4V6 |
| Best Sellers Rank | #366 in Computer Memory |
| Brand | A-Tech |
| Color | Multicolor |
| Computer Memory Type | DDR3 SDRAM |
| Customer Reviews | 4.6 4.6 out of 5 stars (395) |
| Date First Available | February 26, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 2.66 x 1.18 x 0.15 inches |
| Item Weight | 0.16 ounces |
| Item model number | ATMAC8G4D3S1866ND8N135V |
| Manufacturer | A-Tech Components |
| Product Dimensions | 2.66 x 1.18 x 0.15 inches |
| RAM | 32 GB DDR3 |
| Voltage | 1.35 Volts |

## Product Details

- **Brand:** A-Tech
- **Compatible Devices:** iMac late 2015; imac17,1; MK462LL/A, MK472LL/A, MK482LL/A
- **Computer Memory Size:** 32 GB
- **Memory Speed:** 1866 MHz
- **RAM Memory Technology:** DDR3

## Images

![A-Tech 32GB (4x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit - Image 1](https://m.media-amazon.com/images/I/91jrORBqEpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Saved 30% on OWC pricing, and no errors on testing
*by T***I on January 7, 2021*

My iMac (model 17,1) was a new release with the highest specs when I bought it in late 2015. I upgraded early on from 8GB to 24GB of RAM through OWC, and that memory has worked great. But I was not looking to spend the same price for RAM at the end of 2020 as I did in late 2015, and for a computer that was five years old. I took a risk on this A-Tech RAM to save 30% on the price of OWC. As the rightmost photo below shows, the RAM passed MemTest (free version) with zero errors. In terms of performance, the RAM increase was just 24GB to 32GB, so only a one-third increase. However, per the second-from-right photo below, the tests show memory pressure about halved from before the new RAM installation (Dec. 24, 2020). The use of compressed memory declined substantially (see third-from-right photo). I did not experience the problem reported by some other reviewers about the RAM not running at full speed. As the leftmost photo below shows, the memory is running at 1867 MHz. If your memory does not run at full speed, make sure that you are pairing the memory modules so that the new modules from A-Tech are paired with each other in your memory slots. My iMac was running fine even with 24GB, so don't expect a major improvement jumping to 32GB. But at least the testing shows a performance improvement. I sense a bit of an everyday speed boost, but it has been slight. With Photos and iMovie, you might see some more benefit.

### ⭐⭐⭐⭐⭐ Easy To Replace and Assemble.
*by S***G on July 14, 2025*

FANTASTIC! I had to do a little research to make sure I was ordering the right product for my iMac System specs. Double check and Double check. And then after I ordered, I was nervous that the precise product would be shipped. Delivery was prompt. Next, unplug and wait about 30 minutes to let the iMac cool down. Wear plastic gloves to keep any finger oils from contaminating the memory boards and slots. Pull the old boards out. Push and snap the new memory boards in. It took the Activity Monitor about 5 minutes to recognize and monitor the system. Compatibility is spot on. Memory speed is greatly improved. RAM upgrade is wonderful. EVERYTHING IS PERFECT!

### ⭐⭐⭐⭐⭐ RAM upgrades are easy and affordable
*by M***H on July 9, 2022*

In our household we have two iMac 27 inch, late 2015, with 8GB RAM. One has an i5 CPU, and another i7 CPU. They are still performing perfectly, and we never noticed during years of daily use any problem with them. We follow all Apple's upgrades. While comparing response with Macbook Pro having 32GB RAM they are noticeably slower, perhaps the difference is due to the newer i9 CPU and not necessarily only larger RAM. Today RAM memory upgrades are affordable so I bought a 16GB kit (2x8GB) compatible DDR3L 1866MHz non-ECC SO-DIMM. Each operating system upgrade is always more memory hungry, thus more RAM should be beneficial. Now after upgrades one iMac has 2x8GB, and another 4x4GB modules. Thanks to the iMac design, RAM upgrades are very friendly. Everything is working as before, perhaps faster. Difference is not obvious without measurement that I didn't bother with doing. I recommend the product and the seller for excellent service. They send the product promptly and well packed, with a phone helpline, and 100% satisfaction guarantee. Luckily, my upgrades went perfectly smoothly so there was no reason checking if their promises were kept to every letter.

## Frequently Bought Together

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-01*