Timetec
32GB KIT (2x16GB) RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 32GB KIT (2x16GB) RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 is a category leader on buyer feedback in the memory & ram category, priced around $199.99, rated 4.6★ across 682 verified Amazon reviews. A confident buy for most shoppers in this category.
SpecPicks Verdict
SpecPicks classifies Timetec 32GB KIT (2x16GB) RAM Compatible with Apple 2017 iMac… as a category leader on buyer feedback in the memory & ram category, based on 682 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Timetec's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ DDR4 2400MHz PC4-19200 260 Pin Unbuffered Non-ECC 1.2V CL17 Dual Rank 2Rx8 based 1024x8
- ✓ Backed by Timetec's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key 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 Dual Rank 2Rx8 based 1024x8
- Module Size: 32GB Package: 2x16GB 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
Full Specifications
| Brand | Timetec |
|---|---|
| Voltage | 1.2 Volts (AC) |
| RAM Size | 16 GB |
| Model Name | 78AP24NUS2R8-8G |
| Form Factor | Mac |
| Module Size | 32GB Package: 2x16GB Power Supply: VDD=1.2V (1.14V to 1.26V) VDDQ = 1.2V (1.14V to 1.26V) |
| Memory Speed | 2400 Microhertz |
| Model Number | 7 |
| Compatibility | Mac |
| Number of Pins | 260 |
| Mfr Part Number | 7 |
| Memory Generation | DDR4 |
| Compatible Devices | Mac |
| Data Transfer Rate | 2400 MHz |
Ready to buy?
Timetec 32GB KIT (2x16GB) RAM Compatible with Apple 2017 iMac (27-inch 5K Retina, 21.5-inch 4K or Non-Retina) DDR4 2400MHz PC4-19200 SODIMM Mac Memory Upgrade for 18,1/18,2/18,3 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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