1-800-275-4576
Rating: 1 star and up » Frequency: 2666MHz
Showing 1 - 40 of 40 items
Total Capacity
Form Factor
Error Correction
Registration
Special Offers
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 (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S32P
OWC SKU: OWC2666DDR4S32P
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
Memory upgrade kit for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S64P
OWC SKU: OWC2666DDR4S64P
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 (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S16P
OWC SKU: OWC2666DDR4S16P
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 (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S64S
OWC SKU: OWC2666DDR4S64S
32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac
32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade for Mac
Memory upgrade for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S32G
OWC SKU: OWC2666DDR4S32G
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) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S16G
OWC SKU: OWC2666DDR4S16G
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
Memory upgrade for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S08G
OWC SKU: OWC2666DDR4S08G
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019) complete with screen adhesive and all required installation tools. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S32K
OWC SKU: OWC2621DDR4S32K
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 (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S32S
OWC SKU: OWC2666DDR4S32S
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019) complete with screen adhesive and all required installation tools. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S64K
OWC SKU: OWC2621DDR4S64K
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
Memory upgrade kit for 27" iMac w/ Retina 5K (2019-2020) and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DR4S128S
OWC SKU: OWC2666DR4S128S
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R1M128
OWC SKU: OWC2666R1M128
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R3M64
OWC SKU: OWC2666R3M64
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019) complete with screen adhesive and all required installation tools. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S16K
OWC SKU: OWC2621DDR4S16K
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019). Includes adhesive for resealing the display. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S32P
OWC SKU: OWC2621DDR4S32P
32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Module for PC
32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Module for PC
DDR4-2666, CL19, ECC, SO-DIMM, 260-Pin, 1.2V, 2Rx8, PC4-21300. For Laptops, All-in-One Systems, and NAS Systems. Lifetime OWC Limited Warranty.
Mfr P/N: 2C6D42R832GB
OWC SKU: OWC2C6D42R832GB
512GB (4 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin LRDIMM Memory Upgrade Kit for iMac Pro (2017)
512GB (4 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin LRDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Mfr P/N: DID2627DS512
OWC SKU: OWCDID2627DS512
384.0GB (3 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin LRDIMM Memory Upgrade Kit for iMac Pro (2017)
384.0GB (3 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin LRDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Mfr P/N: DID2627DS384
OWC SKU: OWCDID2627DS384
192.0GB (12 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
192.0GB (12 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R1M192
OWC SKU: OWC2666R1M192
384.0GB (12 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
384.0GB (12 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R3M384
OWC SKU: OWC2666R3M384
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R3M256
OWC SKU: OWC2666R3M256
192.0GB (6 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
192.0GB (6 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R3M192
OWC SKU: OWC2666R3M192
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R3M128
OWC SKU: OWC2666R3M128
96.0GB (6 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
96.0GB (6 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R1M96
OWC SKU: OWC2666R1M96
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R1M64
OWC SKU: OWC2666R1M64
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R1M32
OWC SKU: OWC2666R1M32
64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R8M64
OWC SKU: OWC2666R8M64
48.0GB (6 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
48.0GB (6 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R8M48
OWC SKU: OWC2666R8M48
32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R8M32
OWC SKU: OWC2666R8M32
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666R8M16
OWC SKU: OWC2666R8M16
8.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade for Mac
8.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666D4MPE8GB
OWC SKU: OWC2666D4MPE8GB
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019). Includes adhesive for resealing the display. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S64P
OWC SKU: OWC2621DDR4S64P
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin CL17 SO-DIMM Memory Upgrade Kit for 21.5" iMac with Retina 4K Display (2019)
For 21.5" iMac with Retina 4K Display (2019). Includes adhesive for resealing the display. Lifetime OWC Limited Warranty.
Mfr P/N: 2621DDR4S16P
OWC SKU: OWC2621DDR4S16P
128.0GB (2 x 64GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 LRDIMM Memory Upgrade Kit for iMac Pro (2017)
128.0GB (2 x 64GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 LRDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Special Offers, Only 15 Left!Mfr P/N: DID2627DP128
OWC SKU: OWCDID2627DP128
256.0GB (4 x 64GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 LRDIMM Memory Upgrade Kit for iMac Pro (2017)
256.0GB (4 x 64GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 LRDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Special Offers, Only 7 Left!Mfr P/N: DID2627DS256
OWC SKU: OWCDID2627DS256
96.0GB (2 x 32GB + 2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
96.0GB (2 x 32GB + 2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for Mac
Memory upgrade kit for 27" iMac w/ Retina 5K (2019-2020) and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666DDR4S96S
OWC SKU: OWC2666DDR4S96S
32.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade for Mac
32.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666D4MPE32G
OWC SKU: OWC2666D4MPE32G
16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade for Mac
16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade for Mac
For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 LRDIMM. Lifetime OWC Limited Warranty.
Mfr P/N: 2666D4MPE16G
OWC SKU: OWC2666D4MPE16G
128.0GB (4 x 32GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 RDIMM Memory Upgrade Kit for iMac Pro (2017)
128.0GB (4 x 32GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 RDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Mfr P/N: DID2627DS128
OWC SKU: OWCDID2627DS128
64.0GB (4 x 16GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 RDIMM Memory Upgrade Kit for iMac Pro (2017)
64.0GB (4 x 16GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-Pin CL19 RDIMM Memory Upgrade Kit for iMac Pro (2017)
Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.
Mfr P/N: DID2627DS64T
OWC SKU: OWCDID2627DS64T