--- product_id: 90311204 title: "- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3" brand: "timetec" price: "¥17258" currency: JPY in_stock: true reviews_count: 13 category: "Timetec" url: https://www.desertcart.jp/products/90311204-8gb-ram-compatible-with-apple-2017-imac-27-inch-5k store_origin: JP region: Japan --- # DDR4 2400MHz high-speed 8GB capacity for smooth multitasking 260-pin SODIMM plug & play - 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 **Brand:** timetec **Price:** ¥17258 **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade your iMac’s brainpower — because your creativity deserves no limits! ## Quick Answers - **What is this?** - 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 by timetec - **How much does it cost?** ¥17258 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/90311204-8gb-ram-compatible-with-apple-2017-imac-27-inch-5k) ## Best For - timetec enthusiasts ## Why This Product - Trusted timetec brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Upgrade:** Easy installation with 260-pin SODIMM form factor—no hassle, just instant power boost. - • **Blazing Fast DDR4 2400MHz Speed:** Experience rapid data transfer and reduced lag for demanding professional workflows. - • **Energy Efficient 1.2V Operation:** Optimized low voltage design keeps your iMac cool and efficient during heavy multitasking. - • **Seamless Apple iMac Compatibility:** Specifically engineered for 2017 iMac 18,1/18,2/18,3 models to unlock peak performance. - • **Lifetime Warranty & US-Based Support:** Confidence backed by guaranteed lifetime warranty and expert technical help whenever you need it. ## Overview Timetec’s 8GB DDR4 2400MHz RAM module is a precision-engineered memory upgrade tailored for 2017 Apple iMac models (27-inch 5K Retina, 21.5-inch 4K/Non-Retina). Featuring a 260-pin SODIMM form factor and low-voltage 1.2V operation, it delivers reliable, high-speed performance with effortless installation. Backed by a lifetime warranty and US-based support, this upgrade ensures your iMac stays future-ready for professional multitasking and creative workflows. ## Description Buy Timetec 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3: Memory - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: WORKS WITH WINDOWS TOO. - I don’t understand why people say this product is for Macs only. I plugged this into a Dell laptop and it worked fine. Windows reads it as a regular 8gb of RAM and it improves the performance of the computer. Review: It works but you may wind cheaper options - It works well, but not clear why costs 13 dollars more than the regular “not for mac” memory drive they sell. Its the same. ## Features - Compatible For Apple 2017 iMac 27-inch w/Retina 5K Display model ID: iMac 18,3 (i5 3.4GHz, i5 3.5GHz, i5 3.8GHz, i7 4.2GHz) - Compatible For all Apple 2017 iMac 21.5-inch w/Retina 4K Display or Non-Retina Display model ID: iMac 18,2 (i5 3.0GHz, i5 3.4GHz, i7 3.6GHz) and iMac 18,1 (i5 2.3GHz) - DDR4 2400MHz PC4-19200 260 Pin Unbuffered Non-ECC 1.2V CL17 Single Rank 1Rx8 based 1024x8 - Module Size: 8GB Package: 1x8GB Power Supply: VDD=1.2V (1.14V to 1.26V) VDDQ = 1.2V (1.14V to 1.26V) - Guaranteed Lifetime warranty from Purchase Date and Free technical support based on United States ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DS9YJKV | | Additional Features | Lightweight | | Best Sellers Rank | #2,350 in Computer Memory | | Brand | Timetec | | Column Address Strobe Latency | 17 | | Compatible Devices | Desktop | | Computer Memory Size | 8 GB | | Customer Reviews | 4.2 out of 5 stars 43 Reviews | | Data Transfer Rate | 2400 MHz | | Form Factor | SO-DIMM | | Item Weight | 13.61 g | | Manufacturer | Timetec | | Memory Form Factor | UDIMM | | Memory Generation | DDR4 | | Memory Speed | 2400 MHz | | Mfr Part Number | 78 | | Model Name | DDR4 2400MHz PC4-19200 CL17 | | Model Number | 78 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pins | 260 | | RAM Memory Technology | DDR4 | | RAM Size | 8 GB | | Special Feature | Lightweight | | UPC | 765441338913 | | Unit Count | 1 Count | | Voltage | 1.2 volts | ## Images ![- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 - Image 1](https://m.media-amazon.com/images/I/71XZzINuCyL.jpg) ![- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 - Image 2](https://m.media-amazon.com/images/I/71uzDBwMBfL.jpg) ![- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 - Image 3](https://m.media-amazon.com/images/I/71aT1cQnjRL.jpg) ![- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 - Image 4](https://m.media-amazon.com/images/I/91lzbWlHTOL.jpg) ![- 8GB RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 CL17 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 - Image 5](https://m.media-amazon.com/images/I/711rG4jkI9L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Installed these in an imac (21.5-inch, 2017) model identifier: imac18,1 and they didn’t work (black screen) can you tell me which chips will work?** A: Go to Apple's web site and in the support section you can find a spreadsheet that will match up your computer with the proper memory chip(s). **Q: I'm confused, are these 2-8gb modules or just one 16gb module?** A: This is a single 16GB DDR4 2400Mhz SODIMM RAM. If you need to find the right memory for your system, please feel free to contact us via Amazon messages with detailed information about your system. Best regards, MY Timetec International Inc. **Q: Is it compatible with a lenovo thinkpad e580?** A: It should work fine **Q: Is it compatible with a lenovo thinkpad t470s (4Gb soldered)?** A: Yes, it is compatible with your Yes, it is compatible with your thinkpad t470s. If you have any further questions, please feel free to contact support@timetecinc.com. Thank you, I.F. Timetec Inc. ## Customer Reviews ### ⭐⭐⭐⭐⭐ WORKS WITH WINDOWS TOO. *by A***G on January 23, 2019* I don’t understand why people say this product is for Macs only. I plugged this into a Dell laptop and it worked fine. Windows reads it as a regular 8gb of RAM and it improves the performance of the computer. ### ⭐⭐⭐⭐ It works but you may wind cheaper options *by S***O on October 13, 2021* It works well, but not clear why costs 13 dollars more than the regular “not for mac” memory drive they sell. Its the same. ### ⭐⭐⭐⭐⭐ Good memory *by F***O on March 26, 2021* Work as intended, no problem after installed in an AIO HP computer --- ## 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.jp/products/90311204-8gb-ram-compatible-with-apple-2017-imac-27-inch-5k](https://www.desertcart.jp/products/90311204-8gb-ram-compatible-with-apple-2017-imac-27-inch-5k) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-23*