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Frequency: 2666MHz » Total Capacity: 256.0GB

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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

Add Parallels Desktop Pro Edition for only $29.00!
Limited Quantity

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.

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In Stock

Mfr P/N: DID2627DS256
OWC SKU: OWCDID2627DS256

Add Parallels Desktop Pro Edition for only $29.00!

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, Non-ECC, DIMM, 288-Pin, 1.2V, 2Rx8, PC4-21300. For Desktops. Lifetime OWC Limited Warranty.

In Stock

Mfr P/N: 2U6D42R8256K
OWC SKU: OWC2U6D42R8256K

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, Non-ECC, SO-DIMM, 260-Pin, 1.2V, 2Rx8, PC4-21300. For Laptops, All-in-One Systems, and NAS Systems. Lifetime OWC Limited Warranty.

In Stock

Mfr P/N: 2S6D42R8256K
OWC SKU: OWC2S6D42R8256K

256.0GB (2 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 4Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

Ships in 2-3 Days

Mfr P/N: 2R6D44R4256P
OWC SKU: OWC2R6D44R4256P

256.0GB (4 x 64GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 2Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

In Stock

Mfr P/N: 2R6D42R4256S
OWC SKU: OWC2R6D42R4256S

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 2Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

Ships in 2-3 Days

Mfr P/N: 2R6D42R4256K
OWC SKU: OWC2R6D42R4256K

256.0GB (4 x 64GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, LRDIMM, 288-Pin, 1.2V, 4Rx4, PC4-21300. For Servers and NAS Systems. Lifetime OWC Limited Warranty.

In Stock

Mfr P/N: 2L6D44R4256S
OWC SKU: OWC2L6D44R4256S

256.0GB (2 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, LRDIMM, 288-Pin, 1.2V, 4Rx4, PC4-21300. For Servers and NAS Systems. Lifetime OWC Limited Warranty.

Ships in 2-3 Days

Mfr P/N: 2L6D44R4256P
OWC SKU: OWC2L6D44R4256P

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, LRDIMM, 288-Pin, 1.2V, 4Rx4, PC4-21300. For Servers and NAS Systems. Lifetime OWC Limited Warranty.

Ships in 2-3 Days

Mfr P/N: 2L6D44R4256K
OWC SKU: OWC2L6D44R4256K

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, DIMM, 288-Pin, 1.2V, 2Rx8, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

In Stock

Mfr P/N: 2E6D42R8256K
OWC SKU: OWC2E6D42R8256K

256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit 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.

In Stock

Mfr P/N: 2C6D42R8256K
OWC SKU: OWC2C6D42R8256K

Showing 1 - 12 of 12 items

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