Top 10 iMac 21.5 Retina 4K – Computer Memory

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1. A-Tech Components

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A-Tech 32GB 2x16GB RAM for Apple iMac 2017 27 inch Retina 5K & 21.5 inch Retina 4K | DDR4 2400MHz SODIMM PC4-19200 2Rx8 1.2V 260-Pin SO-DIMM Memory Upgrade Kit

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A-Tech Components #ad - A-tech provides a lifetime warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase. All modules undergo quality assurance testing to ensure dependable and reliable performance.

32gb kit 2 x 16gb modules | ddr4 2400 mhz pc4-19200 / pc4-2400t | ddr4 so-dimm 260-pin | non-ecc unbuffered | 2rx8 - Dual Rank x8 | 1. 2v - ddr4 standard Voltage. Designed for the apple imac retina 5k, 2017 & retina 4k, 2 | model numbers: a1419, mnea2ll/a, 21.5-inch, a1418 | part numbers: mne92ll/a, 27-inch, 3 imac18, mndy2ll/a, 2017 - model ids: imac18, MNED2LL/A, MNE02LL/A. Compatible with 7th gen intel core i5/i7 cpu processors: 4-core i5-7400, 4-core i5-7600K, 4-Core i5-7500, 4-core i7-7700, 4-Core i5-7600, 4-Core i7-7700K.
BrandA-Tech Components #ad
ManufacturerA-Tech Components #ad
Height0.15 Inches
Length2.74 Inches
Width1.18 Inches
Part NumberATMAC16G2D4S2400ND8N12V
ModelATMAC16G2D4S2400ND8N12V
WarrantyLifetime Warranty

2. Apple

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Silver Renewed, 3.6 GHz Intel Core i3 Quad-Core,8GB RAM, Apple 21.5 inches iMac with Retina 4K display, 1TB

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Apple #ad - 21. 5-inch diagonal 4096-by-2304 Retina 4K display. Magic keyboard. 802. 11ac wi-fi. Quad-core 8th-generation Intel Core i3 Processor. Magic mouse 2. Macos mojave, useful built-in apps, with dark mode, stacks, easier screenshots, inspired by pros but designed for everyone, and more. Two thunderbolt 3 USB-C ports. Stunning 5-mm-thin design. Radeon pro 555x Graphics processor.
BrandApple #ad
ManufacturerApple Computer #ad
Part NumberMRT32LL/A
Warranty90 days limited warranty

3. Apple

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4K Retina Display, 1TB SATA, Intel Core i5-5675R Quad-Core 3.1GHz, macOS 10.11 El Capitan Renewed, Apple MK452LL/A iMac 21.5in AIO Desktop

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Apple #ad - Intel iris pro 6200 graphics processor. 21. 5" 4096x2304 - 4k retina Display. Core i5 3. 1ghz - 8gb ram, 1tb HDD. Connectivity includes four usb 3. 0 ports, 802. 11ac wi-fi 802. 11a/b/g/n compatible, gigabit Ethernet, dual Thunderbolt 2 ports, and Bluetooth 4.0 This certified refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon.
BrandApple #ad
ManufacturerApple Computer #ad
Height17.72 Inches
Length20.79 Inches
Weight12.5 Pounds
Width6.89 Inches
Part Number4947314
Model4947314
Warranty90 days limited warranty

4. LeFix

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2017| iMac Retina 4K, LeFix Replacement Very High BondVHB Display Adhesive Tape Kit+Opening Cut Wheel Tool Kit for iMac Retina 4K, 21.5-inch, 2019| iMac 21.5-inch, 21.5-inch, 2017

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LeFix #ad - Package highlight:the solid and professional box provides the sufficient protection on the adhesive strips. You will receive the straight adhesive strips. No any Foldings. Part numbers:946-4470, 946-4471, 946-07461, 946-4472, 946-4469, 946-07460. Package content: lcd adhesive tape kitIncluding 6 tapes + Opening Tool5 Cut Wheel+1 Handle. Premium giftopening Tool Kit is included for all iMac machines repairs and upgrades. Compatibility: imac retina 4k, 21. 5-inch, 2017, 21. 5-inch, 4kimac 21. 5-inch, 2017, 2019, 1080pimac retina 4K, 4K.
BrandLeFix #ad
ManufacturerLeFix #ad
Part Number946-07461
ModelRetina 4K, 21.5-inch, 2019

5. Timetec

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Timetec 16GB KIT2x8GB Compatible for Apple 2017 iMac 27-inch w/Retina 5K, 21.5-inch w/Retina 4K / Non-Retina 4K DDR4 2400MHz PC4-19200 SODIMM MAC RAM Upgrade for iMac 18,1 / iMac 18,2 / iMac 18,3

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Timetec #ad - Compatible for all apple 2017 imac 21. 5-inch w/retina 4k display or non-retina display model ID: iMac 18, i5 3. 4ghz, 2 i5 3. 0ghz, i7 3. 6ghz and imac 18, 1 i5 2. 3ghz. Compatible for apple 2017 imac 27-inch w/retina 5k display model id: imac 18, i5 3. 8ghz, i5 3. 5ghz, 3 i5 3. 4ghz, i7 4. 2ghz. Module size: 16gb package: 2x8gb 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. Ddr4 2400mhz pc4-19200 260 pin unbuffered non-ecc 1. 2v cl17 single rank 1Rx8 based 1024x8.
BrandTimetec #ad
ManufacturerTimetec #ad
Weight0.04 Pounds
Part Number78
Model78AP24NUS2R8

6. Tenstep

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661-02990 LCD Display Assembly Replacement for iMac 21.5-inch 4k Retina Late 2015 LM215UH1SDA1

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Tenstep #ad - Adhesive strip kit inlcude. Lm215uh1sda1. For imac 21. 5-inch 4k retina Late 2015. Brand new genuine. 90 days warranty on quality.
BrandTenstep #ad
ManufacturerTenstep #ad
Part NumberLM215UH1SDA1

7. JANRI

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IMac14,4 Mid 2014,iMac16,1 2015,iMac16,2 Retina 4K Late 2015, JANRI Replacement LCD Display Adhesive Tape Repair kit Strips for Apple iMac 21.5" A1418 iMac13,1 Late 2012, iMac14,3 Late 2013

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JANRI #ad - Fit machine2:- imac14, 4 mid 2014: mf883ll/a 1. 4 ghz core i5 - imac16, 2 late 2015: mk442ll/a 2. 8 ghz core i5 - imac16, 1 late 2015: mk142ll/a 1. 6 ghz core i5 - imac16, 2 retina 4k late 2015: mk542ll/a 3. 1 ghz core i5 - imac16, 2 retina 4k late 2015: MK542LL/A 3.

3 ghz core i7. Fit machine:- imac13, 3 late 2013: me087ll/a 2. 9 ghz core i5 - imac14, 1 late 2012: md093ll/a 2. 7 ghz core i5 - imac13, 1 late 2012: md094ll/a 2. 9 ghz core i5 - imac13, 1 late 2012: md094ll/a 3. 1 ghz core i7 - imac13, 1 early 2013: me699ll/a 3. 3 ghz core i3 - imac14, 3 late 2013: ME086LL/A 2. 7 ghz core i5 - imac14, 3 late 2013: ME087LL/A 3. 1 ghz core i7.

It need very professional tools and techinque to install it, so please check you can do it well or not to try. Part number:946-4468, 946-4470, 946-4471, 946-4469, 946-4472 etc. After the adhesive is cut, it cannot be used to re-seal the display in place, so you'll need to apply a new set of adhesive strips. Removing the display requires cutting through the adhesive around the perimeter of the screen.
BrandJANRI #ad
ManufacturerJANRI® #ad
Part NumberA1418-A1419

8. V-COLOR COLOR YOUR LIFE

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V-Color 16GB2x8GB DDR4 2400MHz for iMac 2017 27-inch w/Retina 5K Display & 21.5-inch w/Retina 4K or Non-Retina Display iMac SO-DIMM CL17 1.2V TN48G24S817K-VC

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V-COLOR COLOR YOUR LIFE #ad - Strictly audited dram chips with top quality 10-layers of PCBs. Memory upgrade compatible with 2017 imac: imac w/retina 4k display 21.

5-inch 2017 model id: 18, 3. 4ghz i5, 2 3. 0ghz i5, 3. 6ghz i7 or non-Retina Display 21. 5-inch 2017 model id: 18, 1 2. 3ghz i5. Laptop memory module upgrade for iMac, Mac Book, MacBook Pro, Mac Mini. Each ic is tested rigorously with auto sorting equipment designed by v-color. 16gb 2 x 8gb 2400mhz ddr4 hynix ic 260-pin imac so-dimm timings of CL17 at 1. 2v. Memory upgrade compatible with 2017 imac: imac w/retina 5k display 27-inch 2017 model ID: 18, 3 3. 4ghz i5, 3. 8ghz i5, 3. 5ghz i5, 4. 2ghz i7. Limited lifetime warranty.
BrandV-COLOR COLOR YOUR LIFE #ad
Manufacturerv-color #ad
Height0.04 Inches
Length2.76 Inches
Weight0.09 Pounds
Width1.18 Inches
Part NumberTN48G24S817K-VC
ModelTN48G24S817K-VC
WarrantyLimited Lifetime Warranty

9. Willhom

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Willhom LCD Screen Display Assembly with Glass Replacement for iMac 21.5" A1418 4K Retina LCD Late 2015 LM215UH1 SD A1661-02990

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Willhom #ad - In this kit, you get the whole glass panel already attached to the LCD screen, opening tools, and replacement adhesive tape for when you're done. Advice is often free, but replacement screens are not. Identifying numbers: ppn: lm215uh1 sd a1, APN: 661-02990 Lcd display panel 21. 5"+ adhesive strips kit+ Opening wheel included, this is the entire display unit, including glass already. Make sure that tape is secure before finishing the job! Don't hesitate to seek help with installation. Compatible for imac 4k 21. 5" a1418 late 2015 year lm215UH1 SD A1.
BrandWillhom #ad
ManufacturerWillhom #ad
Part NumberLM215UHA SDA1
ModelA1418

10. A-Tech Components

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A-Tech 16GB RAM for Apple iMac 2017 27 inch Retina 5K & 21.5 inch Retina 4K | DDR4 2400MHz SODIMM PC4-19200 2Rx8 1.2V 260-Pin SO-DIMM Memory Upgrade Module

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A-Tech Components #ad - 16gb module 1 x 16gb | ddr4 2400 mhz pc4-19200 / pc4-2400t | ddr4 so-dimm 260-pin | non-ecc unbuffered | 2rx8 - dual Rank x8 | 1. 2v - ddr4 standard Voltage.

All modules undergo quality assurance testing to ensure dependable and reliable performance. A-tech provides a lifetime warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase. Designed for the apple imac retina 5k, 2017 - model ids: imac18, mned2ll/a, 21.5-inch, mnea2ll/a, 3 imac18, 2017 & retina 4k, 2 | model numbers: a1419, mndy2ll/a, 27-inch, a1418 | part Numbers: MNE92LL/A, MNE02LL/A. Compatible with 7th gen intel core i5/i7 cpu processors: 4-core i5-7400, 4-core i5-7500, 4-Core i5-7600K, 4-core i5-7600, 4-Core i7-7700, 4-Core i7-7700K.
BrandA-Tech Components #ad
ManufacturerA-Tech Components #ad
Height0.15 Inches
Length2.74 Inches
Width1.18 Inches
Part NumberATMAC16G1D4S2400ND8N12V
ModelATMAC16G1D4S2400ND8N12V
WarrantyLifetime Warranty