--- product_id: 253453352 title: "OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2)" brand: "owc" price: "4924.88 DT" currency: TND in_stock: true reviews_count: 7 category: "Owc" url: https://www.desertcart.tn/products/253453352-owc-64gb-2-x-32gb-2666mhz-ddr4-pc4-21300-dimm store_origin: TN region: Tunisia --- # 2666MHz blazing speed 64GB massive capacity 1.2V energy efficient OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) **Brand:** owc **Price:** 4924.88 DT **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade your iMac’s brainpower — because speed and space wait for no one! ## Quick Answers - **What is this?** OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) by owc - **How much does it cost?** 4924.88 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/253453352-owc-64gb-2-x-32gb-2666mhz-ddr4-pc4-21300-dimm) ## 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 - • **Turbocharge Your iMac:** Unlock peak performance with 64GB DDR4 memory, designed for 2019-2020 27-inch iMac models. - • **Lifetime Peace of Mind:** Backed by OWC’s Lifetime Limited Warranty and Advanced Replacement Program for zero downtime. - • **Plug & Play Confidence:** Includes expert tech support and easy-to-follow installation videos to get you up and running fast. - • **Seamless Compatibility:** Perfectly tailored for iMac19,1, iMac20,1, and iMac20,2 ensuring hassle-free upgrades. - • **Energy-Smart Efficiency:** Runs at a low 1.2V voltage to keep your system cool and power consumption minimal. ## Overview The OWC 64GB (2x32GB) 2666MHz DDR4 SO-DIMM memory kit is a high-performance, energy-efficient upgrade specifically engineered for 2019-2020 27-inch iMac models. Featuring a fast 2666MHz data rate, low 1.2V power consumption, and 260-pin form factor, it delivers massive capacity and reliable compatibility. Supported by OWC’s lifetime warranty and expert support, this upgrade ensures your iMac stays future-ready and lightning fast. ## Description Buy OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), 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: Works fine - Does what it is supposed to do. Review: Returned and rebought - Had to reorder cause the first set was broken and made open my Mac Mini 4 times🙈 ## Features - 64 GB (2 x 32GB) 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 | B07PTRZSHB | | Additional Features | Lightweight | | Best Sellers Rank | #70,732 in Computers ( See Top 100 in Computers ) #486 in Computer Memory | | Brand | OWC | | Column Address Strobe Latency | CL18 | | Compatible Devices | Desktop | | Compatible devices | Desktop | | Computer memory size | 64 GB | | Customer Reviews | 4.6 out of 5 stars 677 Reviews | | Data Transfer Rate | 2666 MHz | | Form Factor | SO-DIMM | | Manufacturer | Other World Computing | | Memory Form Factor | SODIMM | | Memory Generation | DDR4 | | Memory Speed | 2666 MHz | | Memory speed | 2666 MHz | | Mfr Part Number | OWC2666DDR4S64P | | Model Name | OWC2666DDR4S64P | | Model Number | 2666DDR4S64P | | Number of Items | 2 | | Number of Packs | 2 | | Number of Pins | 260 | | RAM Memory Technology | DDR4 | | RAM Size | 64 GB | | Ram memory technology | DDR4 | | Special features | Lightweight | | UPC | 810586031387 | | Unit Count | 2 Count | | Voltage | 1.2 Volts | ## Product Details - **Brand:** OWC - **Computer memory size:** 64 GB - **Ram memory technology:** DDR4 - **Memory speed:** 1333 MHz - **Compatible devices:** Desktop ## Images ![OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 1](https://m.media-amazon.com/images/I/618ypV7usKL.jpg) ![OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 2](https://m.media-amazon.com/images/I/61dgbhSJ1AL.jpg) ![OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), 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 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), For 2019-2020 27 inch iMac (iMac19,1 iMac20,1 iMac20,2) - Image 4](https://m.media-amazon.com/images/I/61tAPiYMO5L.jpg) ![OWC 64GB (2 x 32GB) 2666MHz DDR4 PC4-21300 SO-DIMM 260 Pin Memory Upgrade, (OWC2666DDR4S64P), 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 ### ⭐⭐⭐⭐⭐ Works fine *by M***R on 17 October 2019* Does what it is supposed to do. ### ⭐⭐⭐⭐ Returned and rebought *by N***B on 9 February 2021* Had to reorder cause the first set was broken and made open my Mac Mini 4 times🙈 ### ⭐⭐⭐⭐⭐ Ótimo produto! *by C***E on 28 February 2025* Instalei num iMac 2020 e está rodando numa boa! ## Frequently Bought Together - OWC 64GB (2 x 32GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Ram Module Compatible with Mac mini 2018, iMac 2019 and up, Dell, HP, Lenovo, ASUS and Compatible PCs (OWC2666DDR4S64P) - 2020 Apple iMac with Retina 5K Display (27-inch, 8GB RAM, 512GB SSD Storage) - Apple Magic Keyboard with Numeric Keypad: Wireless, Bluetooth, Rechargeable. Works with Mac, iPad, or iPhone; US English - White --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/253453352-owc-64gb-2-x-32gb-2666mhz-ddr4-pc4-21300-dimm](https://www.desertcart.tn/products/253453352-owc-64gb-2-x-32gb-2666mhz-ddr4-pc4-21300-dimm) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-28*