Memory RAM Door/Cover
Apple Part Number: 923-0403
1-Year Warranty
Full replacement
Fast Shipping
1-2 business days
Tested & Verified
QA before ship
Expert Help
Install guidance
Compatibility
| Model | Order # | Model # | EMC | Identifier | Processor |
|---|---|---|---|---|---|
| iMac (Retina 5K, 27-inch, 2020) | BTO/CTO, MXWT2LL/A, MXWU2LL/A, MXWV2LL/A | A2115 | 3442 | iMac20,2 | 3.1 GHz 6-Core Intel Core i5 |
| iMac (Retina 5K, 27-inch, 2019) | BTO/CTO, MRQY2LL/A, MRR02LL/A, MRR12LL/A | A2115 | 3194 | iMac19,1 | 3.0 GHz 6-Core Intel Core i5 |
| iMac (Retina 5K, 27-inch, 2017) | BTO/CTO, MNE92LL/A, MNEA2LL/A, MNED2LL/A | A1419 | 3070 | iMac18,3 | 3.4 GHz Intel Core i5 |
| iMac (Retina 5K, 27-inch, Late 2015) | BTO/CTO, MK462LL/A, MK482LL/A | A1419 | 2834 | iMac17,1 | 3.2 GHz Intel Core i5 |
| iMac (Retina 5K, 27-inch, Mid 2015) | MF885LL/A | A1419 | 2806 | iMac15,1 | 3.5 GHz Intel Core i5 |
| iMac (Retina 5K, 27-inch, Late 2014) | BTO/CTO, MF886LL/A | A1419 | 2806 | iMac15,1 | 3.5 GHz Intel Core i5 |
| iMac (27-inch, Late 2013) | ME088LL/A, ME089LL/A, MF125LL/A | A1419 | 2639 | iMac14,2 | 3.2 GHz Intel Core i5 |
| iMac (27-inch, Late 2012) | BTO/CTO, MD095LL/A, MD096LL/A | A1419 | 2546 | iMac13,2 | 2.9 GHz Intel Core i5 |
| iMac 27-inch 5K 2020 | A2115 | iMac20,1 / iMac20,2 | Intel Core i5/i7/i9 |
About this part
The Memory RAM Door/Cover (Apple part number 923-0403) is a genuine Apple part that fits the iMac (Retina 5K, 27-inch, 2020), iMac (Retina 5K, 27-inch, 2019), iMac (Retina 5K, 27-inch, 2017) and 6 other models. Memory modules give macOS room to run apps at the same time.
Before you order, match the model identifier on your Mac (Apple menu, About This Mac, System Report) to one of the identifiers listed for this part: iMac20,2, iMac19,1, iMac18,3, iMac17,1, iMac15,1, iMac14,2 and 2 other models.
Signs the memory module needs replacing
- Beeps at startup with no picture
- Kernel panics or apps quitting unexpectedly
- Less memory reported than installed
- Heavy slowdowns and memory pressure warnings
Not sure the memory module is the real cause? We diagnose the Mac before replacing anything, and we can install this genuine Apple part for you through our iMac repair service, in our Tampa shop or by mail-in repair from anywhere in the US.
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