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PC4-21300

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Mac (35) PC (75)

Total Capacity

1.0TB (2) 512.0GB (5) 384.0GB (2) 256.0GB (12) 192.0GB (2) 128.0GB (22) 96.0GB (2) 64.0GB (29) 48.0GB (1) 32.0GB (26) 16.0GB (7)

Form Factor

DIMM (22) LRDIMM (18) RDIMM (37) SO-DIMM (33)

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ECC (80) Non-ECC (30)

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Registered (40) Non-Registered (57) Load Reduced (13)

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OWC (108) Apple (2)

Item Condition

New (108) Used (2)

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4 and up (12)

Price

Less than $150 (2) $150 to $200 (7) $200 to $300 (18) $300 to $400 (6) $400 to $500 (9) $500 to $750 (21) $750 to $1000 (11) $1000 to $1500 (13) $1500 to $2000 (7) More than $2000 (16)
256.0GB (4 x 64GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

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.

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Mfr P/N: 2R6D42R4256S
OWC SKU: OWC2R6D42R4256S

 
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$2,111.48
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32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Module for PC

32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Module 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.

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Mfr P/N: 2S6D42R832GB
OWC SKU: OWC2S6D42R832GB

 
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$239.99
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256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

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.

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Mfr P/N: 2E6D42R8256K
OWC SKU: OWC2E6D42R8256K

 
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$2,379.08
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64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, DIMM, 288-Pin, 1.2V, 1Rx8, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

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Mfr P/N: 2E6D41R8064K
OWC SKU: OWC2E6D41R8064K

 
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$593.92
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32.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Module for PC

32.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Module for PC

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

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Mfr P/N: 2E6D42R832GB
OWC SKU: OWC2E6D42R832GB

 
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$298.88
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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.

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In Stock

Mfr P/N: 2666DDR4S96S
OWC SKU: OWC2666DDR4S96S

 
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$730.76
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Add Parallels Desktop Pro Edition for only $29.00!
64.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Module for PC

64.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Module for PC

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

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Mfr P/N: 2L6D44R464GB
OWC SKU: OWC2L6D44R464GB

 
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$499.99
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32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

32.0GB (2 x 16GB) 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.

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Mfr P/N: 2S6D42R8032P
OWC SKU: OWC2S6D42R8032P

 
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$219.54
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128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

128.0GB (4 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.

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Mfr P/N: 2U6D42R8128S
OWC SKU: OWC2U6D42R8128S

 
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$959.00
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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.

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Mfr P/N: DID2627DS128
OWC SKU: OWCDID2627DS128

 
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$1,306.75
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Add Parallels Desktop Pro Edition for only $29.00!
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.

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Mfr P/N: DID2627DS64T
OWC SKU: OWCDID2627DS64T

 
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$574.73
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Add Parallels Desktop Pro Edition for only $29.00!
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

128.0GB (8 x 16GB) 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.

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Ships in 2-3 Days

Mfr P/N: 2U6D42R8128K
OWC SKU: OWC2U6D42R8128K

 
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$878.16
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128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit for PC

128.0GB (4 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.

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Mfr P/N: 2C6D42R8128S
OWC SKU: OWC2C6D42R8128S

 
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$1,189.54
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512.0GB (4 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

512.0GB (4 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.

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Mfr P/N: 2L6D44R4512S
OWC SKU: OWC2L6D44R4512S

 
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$3,585.56
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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.

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Reviews (39)
In Stock

Mfr P/N: 2621DDR4S64P
OWC SKU: OWC2621DDR4S64P

 
Only
$513.48
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Add Parallels Desktop Pro Edition for only $29.00!
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit for PC

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.

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Mfr P/N: 2C6D42R8256K
OWC SKU: OWC2C6D42R8256K

 
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$2,379.08
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16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, ECC, DIMM, 288-Pin, 1.2V, 1Rx8, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

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Mfr P/N: 2E6D41R8016P
OWC SKU: OWC2E6D41R8016P

 
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$149.83
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32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

DDR4-2666, CL19, Non-ECC, DIMM, 288-Pin, 1.2V, 1Rx8, PC4-21300. For Desktops. Lifetime OWC Limited Warranty.

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In Stock

Mfr P/N: 2U6D41R8032S
OWC SKU: OWC2U6D41R8032S

 
Only
$237.56
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128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

128.0GB (4 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.

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In Stock

Mfr P/N: 2E6D42R8128S
OWC SKU: OWC2E6D42R8128S

 
Only
$1,189.54
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32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

32.0GB (4 x 8GB) 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, 1Rx8, PC4-21300. For Laptops, All-in-One Systems, and NAS Systems. Lifetime OWC Limited Warranty.

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Ships in 2-3 Days

Mfr P/N: 2S6D41R8032S
OWC SKU: OWC2S6D41R8032S

 
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$237.56
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Showing 91 - 110 of 110 items
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