---
product_id: 250539275
title: "OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2)"
brand: "owc"
price: "129952 Ft"
currency: HUF
in_stock: true
reviews_count: 7
category: "Owc"
url: https://www.desertcart.hu/products/250539275-owc-16-0gb-2666mhz-ddr4-pc4-21300-so-dimm-260
store_origin: HU
region: Hungary
---

# 2666MHz blazing speed 16GB high-capacity RAM 1.2V energy-efficient power OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2)

**Brand:** owc
**Price:** 129952 Ft
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) by owc
- **How much does it cost?** 129952 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/250539275-owc-16-0gb-2666mhz-ddr4-pc4-21300-so-dimm-260)

## Best For

- owc enthusiasts

## Why This Product

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

## Key Features

- • **Effortless DIY Upgrade:** Lightweight, RoHS certified, and supported by online installation videos—upgrade your iMac like a pro.
- • **Lifetime Peace of Mind:** Backed by OWC’s Lifetime Limited Warranty and Advanced Replacement Program—tech support included.
- • **Energy-Smart Efficiency:** Runs at a low 1.2V voltage to keep your system cool and power consumption minimal.
- • **Turbocharge Your iMac Performance:** Upgrade to 16GB DDR4 SO-DIMM for seamless multitasking and lightning-fast responsiveness.
- • **Tailored for 2019-2020 27-inch iMacs:** Perfectly compatible with iMac19,1, iMac20,1, and iMac20,2 models—no guesswork, just plug & play.

## Overview

The OWC 16GB 2666MHz DDR4 SO-DIMM memory module is a premium, energy-efficient upgrade designed specifically for 2019-2020 27-inch iMac models. With 16GB capacity, 260-pin form factor, and 1.2V operation, it delivers faster data transfer and enhanced multitasking. Backed by a lifetime warranty and expert support, this lightweight, RoHS-certified RAM ensures a hassle-free, high-performance upgrade experience.

## Description

Buy OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: just perfect - i upgrade my imac by myself easy and its compatible . since 1 year right now
Review: Good - Perfect

## Features

- 16 GB (1 x 16GB) PC4-21300 DDR4, 206-pin, SO-DIMM, 1.2V, RoHS Certified, warranty safe memory upgrade
- Memory Upgrade Compatible with 2018 Mac mini: Mac mini (Late 2018) (November, 2018) Model ID: Macmini8,1 (3.6GHz i3, 3.0GHz i5, 3.2GHz i7)
- Memory Upgrade Compatible with 2019 iMac: iMac w/Retina 5K display (27-inch Early 2019) Model ID: iMac19,1 (3.0GHz i5, 3.1GHz i5, 3.7GHz i5, 3.6GHz i9)
- Memory Upgrade Compatible with 2020 iMac: iMac w/Retina 5K display (27 inch mid 2020) Model ID: iMac20,1 and iMac20,2 (3.1GHz i5, 3.3GHz i5, 3.8GHz i7, 3.6GHz i9)
- Free technical support from our expert technicians, online installation videos available, Every module is backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NJV1JRT |
| Additional Features | Lightweight |
| Best Sellers Rank | #67,994 in Computers ( See Top 100 in Computers ) #541 in Computer Memory |
| Brand | OWC |
| Column Address Strobe Latency | CL18 |
| Compatible Devices | Desktop |
| Compatible devices | Desktop |
| Computer memory size | 16 GB |
| Customer Reviews | 4.5 out of 5 stars 3,885 Reviews |
| Data Transfer Rate | 2666 MHz |
| Form Factor | SO-DIMM |
| Manufacturer | Other World Computing |
| Memory Speed | 1333 MHz |
| Memory speed | 1333 MHz |
| Model Name | OWC2666DDR4S16G |
| Number of Pins | 260 |
| RAM Memory Technology | DDR4 |
| RAM Size | 16 GB |
| Ram memory technology | DDR4 |
| Special features | Lightweight |
| UPC | 810586031349 |
| Unit Count | 1.0 Count |
| Voltage | 1.2 Volts |

## Product Details

- **Brand:** OWC
- **Computer memory size:** 16 GB
- **Ram memory technology:** DDR4
- **Memory speed:** 1333 MHz
- **Compatible devices:** Laptop

## Images

![OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 1](https://m.media-amazon.com/images/I/61KLrkMplDL.jpg)
![OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 2](https://m.media-amazon.com/images/I/51EaPBtJaLL.jpg)
![OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 3](https://m.media-amazon.com/images/I/71kL+Vk-d9L.jpg)
![OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 4](https://m.media-amazon.com/images/I/61tAPiYMO5L.jpg)
![OWC 16.0GB 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S16G), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 5](https://m.media-amazon.com/images/I/61CMcerWZZL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ just perfect
*by M***. on 15 November 2021*

i upgrade my imac by myself easy and its compatible . since 1 year right now

### ⭐⭐⭐⭐⭐ Good
*by M***. on 15 January 2023*

Perfect

### ⭐⭐⭐⭐⭐ This or crucial? went for this and I'm happy
*by N***L on 30 January 2021*

Imac 2019 worthwhile upgrade, no pain in buying apple RAM

## Frequently Bought Together

- OWC 16GB PC21300 DDR4 2666MHz 260pin SO-DIMM Memory Ram Module Compatible with Mac mini 2018, iMac 2019 and up, and Compatible PCs (OWC2666DDR4S16G) TAA Compliant
- LeFix Replacement Display Adhesive Tape Kit+Opening Cut Wheel Tool Kit for iMac (Retina 4K, 21.5-inch, 2019)| iMac (21.5-inch, 2017)| iMac (Retina 4K, 21.5-inch, 2017)-A2116

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**Shop now:** [https://www.desertcart.hu/products/250539275-owc-16-0gb-2666mhz-ddr4-pc4-21300-so-dimm-260](https://www.desertcart.hu/products/250539275-owc-16-0gb-2666mhz-ddr4-pc4-21300-so-dimm-260)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-26*