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Memory Upgrades:iMac (4.20 GHz, Retina 5K, 27-inch, 2017)

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Total Capacity Quantity Capacity Per Module Pins PC Speed Frequency Error Correction Brand Item Condition Special Offers Rating Price
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade kit for iMac (2019-2020) and Mac mini (20…

Mfr P/N: 2666DDR4S32P | OWC SKU: OWC2666DDR4S32P
Reviews (490)
Ships: Same Day
$85.98
Only $59.99
Save $25.99
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64.0GB (4 x 16GB) OWC PC4-19200 DDR4 2400MHz 260-Pin CL17 SO-DIMM Memory Upgrade Kit for Mac

64.0GB (4 x 16GB) OWC PC4-19200 DDR4 2400MHz 260-Pin CL17 SO-DIMM Memory Upgrade Kit for Mac

For 27-inch iMac w/ Retina 5K (Mid 2017) and PCs that ut…

Mfr P/N: 2400DDR4S64S | OWC SKU: OWC2400DDR4S64S
Reviews (258)
Ships: Same Day
$159.96
Only $117.99
Save $41.97
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64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade kit for iMac (2019-2020) and Mac mini (20…

Mfr P/N: 2666DDR4S64S | OWC SKU: OWC2666DDR4S64S
Reviews (490)
Ships: Same Day
$171.96
Only $119.99
Save $51.97
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32.0GB (2 x 16GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

32.0GB (2 x 16GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

Memory upgrade kit for Mac mini (Late 2018), 27" and 21.…

Mfr P/N: 2400DDR4S32P | OWC SKU: OWC2400DDR4S32P
Reviews (258)
Ships: Same Day
$79.98
Only $58.99
Save $20.99
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16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade kit for iMac (2019-2020) and Mac mini (20…

Mfr P/N: 2666DDR4S16P | OWC SKU: OWC2666DDR4S16P
Reviews (490)
Ships: Same Day
$45.98
Only $31.99
Save $13.99
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(*) 32.0GB (2 x 16GB) Apple Factory Original PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 32.0GB (2 x 16GB) Apple Factory Original PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade for iMac (2017-2020) and Mac mini (2018)…

Mfr P/N: 2618DDR4S32P | OWC SKU: APL2618DDR4S32P
Reviews (16)
Ships: Same Day
$600.00
Only $35.88
Save $564.12
 Add to Cart
32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade kit for iMac (2019-2020) and Mac mini (20…

Mfr P/N: 2666DDR4S32S | OWC SKU: OWC2666DDR4S32S
Reviews (490)
Ships: Same Day
$91.96
Only $61.99
Save $29.97
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Limited Quantity 16GB (2x 8GB) Apple Genuine Retail Memory Kit for iMac 2017 21.5" and 27", and compatible PCs

16GB (2x 8GB) Apple Genuine Retail Memory Kit for iMac 2017 21.5" and 27", and compatible PCs

Apple Factory Original PC19200 DDR4 Non-ECC 2400MHz 260-…

Mfr P/N: MP7M2G/A | OWC SKU: APLMP7M2GA
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Ships: Same Day
$200.00
Only $27.99
Limited Supply, Only 20 left!
 Add to Cart
16.0GB (2 x 8GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

16.0GB (2 x 8GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

Memory upgrade kit for Mac mini (Late 2018), 27" and 21.…

Mfr P/N: 2400DDR4S16P | OWC SKU: OWC2400DDR4S16P
Reviews (258)
Ships: Same Day
$39.98
Only $31.99
Save $7.99
 Add to Cart
16.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

16.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

Memory module for Mac mini (Late 2018), 27" and 21.5" iM…

Mfr P/N: 2400DDR4S16G | OWC SKU: OWC2400DDR4S16G
Reviews (258)
Ships: Same Day
$39.99
Only $29.79
Save $10.20
 Add to Cart
Limited Quantity (*) 16.0GB (2 x 8GB) Original PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 16.0GB (2 x 8GB) Original PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Add 16GB of memory to 21.5-inch & 27-inch iMac (2017) mo…

Mfr P/N: 2417DDR4S16P | OWC SKU: APL2417DDR4S16P
Reviews (6)
Ships: Same Day
$400.00
Only $13.75
Limited Supply, Only 20 left!
 Add to Cart
32.0GB (4 x 8GB) OWC PC4-19200 DDR4 2400MHz 260-Pin CL17 SO-DIMM Memory Upgrade Kit for Mac

32.0GB (4 x 8GB) OWC PC4-19200 DDR4 2400MHz 260-Pin CL17 SO-DIMM Memory Upgrade Kit for Mac

For 27-inch iMac w/ Retina 5K (Mid 2017) and PCs that ut…

Mfr P/N: 2400DDR4S32S | OWC SKU: OWC2400DDR4S32S
Reviews (258)
Ships: Same Day
$79.96
Only $61.99
Save $17.97
 Add to Cart
16.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac

16.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac

Memory upgrade for iMac (2019-2020) and Mac mini (2018)…

Mfr P/N: 2666DDR4S16G | OWC SKU: OWC2666DDR4S16G
Reviews (490)
Ships: Same Day
$42.99
Only $29.99
Save $13
 Add to Cart
8.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

8.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

Memory module for Mac mini (Late 2018), 27" and 21.5" iM…

Mfr P/N: 2400DDR4S8GB | OWC SKU: OWC2400DDR4S8GB
Reviews (258)
Ships: Same Day
$19.99
Only $15.99
Save $4
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4.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

4.0GB 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Module for Mac

Memory module for 27" and 21.5" iMac (Mid 2017), and PCs…

Mfr P/N: 2400DDR4S4GB | OWC SKU: OWC2400DDR4S4GB
Reviews (258)
Ships: Same Day
$9.79
Only $6.99
Save $2.80
 Add to Cart
Limited Quantity (*) 32.0GB (2 x 16GB) Major Brand PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 32.0GB (2 x 16GB) Major Brand PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Add 32GB of memory to Mac mini (Late 2018), 27" and 21.5…

Mfr P/N: 2417DDR4S32P | OWC SKU: APT2417DDR4S32P
Be the first
Ships: Same Day
$89.98
Only $30.75
Limited Supply, Only 3 left!
 Add to Cart
New Item (*) 32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac

For iMac (2019-2020) and Mac mini (2018) models and PCs…

Mfr P/N: 2666DDR4S32P | OWC SKU: OWU2666DDR4S32U
Reviews (480)
Ships: Same Day
$59.99
Only $40.75
Limited Supply, Only 8 left!
 Add to Cart
8.0GB (2 x 4GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

8.0GB (2 x 4GB) 2400MHz DDR4 PC4-19200 SO-DIMM 260 Pin CL17 Memory Upgrade Kit for Mac

Memory upgrade kit for 27" and 21.5" iMac (Mid 2017), an…

Mfr P/N: 2400DDR4S08P | OWC SKU: OWC2400DDR4S08P
Reviews (258)
Ships: Same Day
$19.58
Only $11.99
Save $7.59
 Add to Cart
Wow what a deal! (*) 16.0GB (2 x 8GB) Major Brand PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 16.0GB (2 x 8GB) Major Brand PC4-19200 DDR4 2400MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Add 16GB of memory to Mac mini (Late 2018), 27" and 21.5…

Mfr P/N: 2417DDR4S16P | OWC SKU: APT2417DDR4S16P
Be the first
Ships: Same Day
$49.98
Only $16.75
Limited Supply, Only 8 left!
 Add to Cart
Limited Quantity (*) 32.0GB (2 x 16GB) Major Brand PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

(*) 32.0GB (2 x 16GB) Major Brand PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

Memory upgrade for iMac (2019-2020) and Mac mini (2018)…

Mfr P/N: 2618DDR4S32P | OWC SKU: APT2618DDR4S32P
Be the first
Ships: Same Day
$600.00
Only $31.75
Limited Supply, Only 3 left!
 Add to Cart
Limited Quantity (*) 8.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac

(*) 8.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac

For iMac (2019-2020) and Mac mini (2018) models and PCs…

Mfr P/N: 2666DDR4S08G | OWC SKU: OWC2666DDR4S8GU
Reviews (480)
Ships: Same Day
$89.99
Only $9.75
Limited Supply, Only 1 left!
 Add to Cart
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