---
product_id: 140619810
title: "CT2K16G4S266M 32GB (16GB x2) Mac Memory Kit (DDR4, 2666 MT/s, PC4-21300, CL19, Dual Rank x8, SODIMM, 260-Pins)"
brand: "crucial"
price: "€ 536.90"
currency: EUR
in_stock: true
reviews_count: 9
category: "Crucial"
url: https://www.desertcart.sk/products/140619810-ct2k16g4s266m-32gb-16gb-x2-mac-memory-kit-ddr4-2666-mt
store_origin: SK
region: Slovakia
---

# 3200MHz Speed Compatible with 2933/2666MHz Trusted Micron Quality CT2K16G4S266M 32GB (16GB x2) Mac Memory Kit (DDR4, 2666 MT/s, PC4-21300, CL19, Dual Rank x8, SODIMM, 260-Pins)

**Brand:** crucial
**Price:** € 536.90
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade Your Game with Crucial RAM!

## Quick Answers

- **What is this?** CT2K16G4S266M 32GB (16GB x2) Mac Memory Kit (DDR4, 2666 MT/s, PC4-21300, CL19, Dual Rank x8, SODIMM, 260-Pins) by crucial
- **How much does it cost?** € 536.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/140619810-ct2k16g4s266m-32gb-16gb-x2-mac-memory-kit-ddr4-2666-mt)

## Best For

- crucial enthusiasts

## Why This Product

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

## Key Features

- • **Boost Your Multitasking:** Enhance system responsiveness and multitasking capabilities effortlessly.
- • **Versatile Compatibility:** Seamlessly integrates with Intel and AMD laptops for ultimate flexibility.
- • **Easy Compatibility Check:** Use the Crucial System Scanner for tailored recommendations.
- • **Expertly Tested Reliability:** Backed by 42 years of Micron expertise, ensuring top-notch performance.
- • **Unleash Your Laptop's Potential:** Experience lightning-fast performance with 3200MHz speed.

## Overview

The Crucial 16GB DDR4 RAM offers versatile speeds of up to 3200MHz, ensuring compatibility with systems running at 2933MHz or 2666MHz. Designed for enhanced multitasking and system responsiveness, this SODIMM memory is rigorously tested for reliability and performance, making it a trusted choice for both Intel and AMD laptops.

## Description

Learn how to upgrade your Mac system with compatible Crucial memory. Crucial memory sticks are easily installed. Apple computers have specific memory requirements, such as component densities, speed, and synchronization; that's why it's so important to use specially developed memory for your Mac. With over a decade of experience manufacturing and developing memory for all types of Apple computers, Crucial is the easiest alternative to increasing the memory of your Mac.

Review: Perfect fit for 2020 iMac 27" - I purchased memory from OWC for my 2020 iMac 27" twice, and each time the memory did not work. One set wouldn't allow my computer to turn on at all, and the next set caused my computer to reboot about 5 mins over and over. I was very frustrated, and decided to give the Crucial memory before giving up on upgrading. It installed in ~3 mins and has worked flawlessly with no reboots, no crashes, no issues at all. The iMac has never run better, and I'm relieved to have found a solid solution for a good price.
Review: Easy as pie to install - works like a dream on iMac (Retina 5K, 27", 2017) - I was a bit concerned prior to installing my 32 GB kit - the reviews I read here, made it seem like I would encounter issues with slot placement and seating the cards. I'm a mom of two and I'm moderately tech-savvy (I've installed an SSD drive in my previous iMac without issue), but I'm in no way an Apple Genius. The entire process actually took me about 15 minutes (to be honest, 10 minutes of that was just unplugging everything and setting-up a clear/soft workspace on which to set the computer). After popping the cover off the back of the machine, I didn't change the position of the original RAM cards- I just added the two new 16 GB cards to the remaining/available slots- I didn't have a problem seating the cards at all. Then I replaced the cover, plugs and powered my machine on- there was an initialization prior to my log-in screen that was a tad bit longer than usual, but once I signed in, everything seemed in order- "About this Mac" reflected that I had 40 GB of RAM and the application I use to monitor my RAM usage had shown an impressive increase. Prior to installing this RAM- my available RAM would hover around a paltry 25 MB (I use Adobe applications, like Photoshop, Lightroom, Illustrator and InDesign regularly), but after installing the upgraded RAM- I'm showing at least 30 GB of available RAM. For the price and ease of installation- I can't give a better endorsement. If you're on the fence about buying it, I can honestly say I'm extremely happy with this product!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TKZKPJV |
| Best Sellers Rank | #276 in Computer Memory |
| Brand | Crucial |
| Color | green |
| Computer Memory Type | SODIMM |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,790) |
| Date First Available | July 2, 2019 |
| Hardware Platform | PlayStation 5 |
| Is Discontinued By Manufacturer | No |
| Item Dimensions LxWxH | 2.7 x 0.2 x 1.1 inches |
| Item Weight | 0.282 ounces |
| Item model number | CT2K16G4S266M |
| Manufacturer | Crucial |
| Memory Speed | 2666 MHz |
| Number of Processors | 1 |
| Product Dimensions | 2.7 x 0.2 x 1.1 inches |
| RAM | 32 GB DDR4 |
| Series | Crucial DDR4 2666 MT/s SODIMM |
| Voltage | 1.2 Volts |

## Product Details

- **Brand:** Crucial
- **Compatible Devices:** Desktop
- **Computer Memory Size:** 32 GB
- **Memory Speed:** 2666 MHz
- **RAM Memory Technology:** DDR4

## Images

![CT2K16G4S266M 32GB (16GB x2) Mac Memory Kit (DDR4, 2666 MT/s, PC4-21300, CL19, Dual Rank x8, SODIMM, 260-Pins) - Image 1](https://m.media-amazon.com/images/I/71gRJfNpVpL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit for 2020 iMac 27"
*by M***N on June 29, 2024*

I purchased memory from OWC for my 2020 iMac 27" twice, and each time the memory did not work. One set wouldn't allow my computer to turn on at all, and the next set caused my computer to reboot about 5 mins over and over. I was very frustrated, and decided to give the Crucial memory before giving up on upgrading. It installed in ~3 mins and has worked flawlessly with no reboots, no crashes, no issues at all. The iMac has never run better, and I'm relieved to have found a solid solution for a good price.

### ⭐⭐⭐⭐⭐ Easy as pie to install - works like a dream on iMac (Retina 5K, 27", 2017)
*by J***M on March 17, 2019*

I was a bit concerned prior to installing my 32 GB kit - the reviews I read here, made it seem like I would encounter issues with slot placement and seating the cards. I'm a mom of two and I'm moderately tech-savvy (I've installed an SSD drive in my previous iMac without issue), but I'm in no way an Apple Genius. The entire process actually took me about 15 minutes (to be honest, 10 minutes of that was just unplugging everything and setting-up a clear/soft workspace on which to set the computer). After popping the cover off the back of the machine, I didn't change the position of the original RAM cards- I just added the two new 16 GB cards to the remaining/available slots- I didn't have a problem seating the cards at all. Then I replaced the cover, plugs and powered my machine on- there was an initialization prior to my log-in screen that was a tad bit longer than usual, but once I signed in, everything seemed in order- "About this Mac" reflected that I had 40 GB of RAM and the application I use to monitor my RAM usage had shown an impressive increase. Prior to installing this RAM- my available RAM would hover around a paltry 25 MB (I use Adobe applications, like Photoshop, Lightroom, Illustrator and InDesign regularly), but after installing the upgraded RAM- I'm showing at least 30 GB of available RAM. For the price and ease of installation- I can't give a better endorsement. If you're on the fence about buying it, I can honestly say I'm extremely happy with this product!

### ⭐⭐⭐⭐⭐ Working well so far.
*by J***. on September 4, 2025*

9-4-25. I've had these for only a couple of days and have no problems. My Photoshop and Lightroom Classic programs have gotten so big that they were crashing my 2020 imac. The 8 gigs it came with couldn't handle the programs anymore. I installed these 2-16 gig cards along with the 2-4 gig cards that came with the system. I left the original 4 gig cards in slots 1 and 3 and put these in 2 and 4 as recommended by the interweb. The machine fired right up and I've had no issues so far with the programs. From 8 gigs to 40. If anything goes sideways I'll update this review.

## Frequently Bought Together

- Crucial 16GB DDR4 RAM 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory, SODIMM 260-Pin, Compatible with Intel and AMD Laptops – CT16G4SFRA32A
- Crucial 32GB Kit (16GB x 2) DDR4 3200 MHz (PC4-25600) SODIMM 260-Pin Memory - CT2K16G4SFRA32A

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-21*