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How can i have an iMac that Apple doesn't recognize?

I have a new-in-box iMac that I bought a few years ago (don't ask). I was trying to figure out how to sell it but PowerOn and Apple don't seem to recognize the model number and Apple doesn't recognize the serial number. It is an Apple iMac 21.5", 3.6GHz 4-Core i3, 8GB RAM, 1TB SSD, Pro 555X, Mid 2020; model number Z147000RR. How is this possible? I can't be the only person who bought one of these.


iMac 21.5″, macOS 10.15

Posted on May 1, 2024 1:55 PM

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15 replies

May 1, 2024 9:00 PM in response to kandrson

MacTracker says there was a 2020 iMac 15 & i7...


August 2020 DiscontinuedMarch 2022 Model Identifier iMac20,1 or iMac20,2 Model Number A2115E MC3442 Order NumberMXWT2LL/A (3.1 GHz), MXWU2LL/A (3.3 GHz), MXWV2LL/A (3.8 GHz) Initial Price$1,799 (3.1 GHz), $1,999 (3.3 GHz), $2,299 (3.8 GHz)Support Status Supported ColorsSilverWeight and Dimensions19.7 lbs., 20.3" H x 25.6" W x 8" DPROCESSOR

ProcessorIntel Core i5 (10500, 10600) Core i7 (10700K) Core i9 (10910) ("Comet Lake")Processor Speed3.1, 3.3, 3.8, or 3.6 GHzMaximum Processor SpeedUp to 4.5, 4.8, or 5.0 GHzArchitecture64-bit Number of Cores6, 8, or 10Manufacturing Process14 nm Security ChipApple T2 (APL1027)Cache12 MB (Core i5) 16 MB (Core i7) 20 MB (Core i9) L3System BusIntel Direct Media Interface (DMI) at 8 GT/sBoard IDMac-CFF7D910A743CAAF (iMac20,1) Mac-AF89B6D9451A490B (iMac20,2) STORAGE AND MEDIA

Storage256, 512 GB, 1, 2, 4, or 8 TB flash storageMediaNonePERIPHERALS

PeripheralsMagic Keyboard or Magic Keyboard with Numeric Keypad, Magic Mouse 2 or Magic Trackpad 2


The last 21.5" was... March 2019 DiscontinuedA pril 2021

May 2, 2024 6:29 AM in response to kandrson

And you say you bought this online directly from Apple? Do you have a copy of the order that you could examine and maybe post (but remove any personally identifying info & serial numbers)? The image you posted appears to be a sticker.


The Z147000RR model number doesn't correspond to the format of any Apple model number I've ever seen. They are always of the form "MXWT2LL/A" or similar.

How can i have an iMac that Apple doesn't recognize?

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