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2666MHz
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Rating: 4 stars and up » Frequency: 2666MHz » Special Offers: Free US Shipping

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Frequency

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Total Capacity

512.0GB (1) 384.0GB (1) 128.0GB (3) 96.0GB (1) 64.0GB (5)

Form Factor

SO-DIMM (6) RDIMM (2) LRDIMM (3)

Error Correction

ECC (5) Non-ECC (6)

Registration

Registered (4) Non-Registered (7)

Special Offers

Free US Shipping (11) Garage Sale (1)

Rating

5 stars (5) 4 stars and up (11) 1 star and up (21)

Price

$100 to $150 (2) $150 to $200 (3) $200 to $300 (2) $300 to $400 (2) $1500 to $2000 (1) More than $2000 (1)
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

Memory upgrade kit for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.

Reviews (444)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S64P
OWC SKU: OWC2666DDR4S64P

$169.98
Only
$149.99
Add to Cart
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

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

Memory upgrade kit for 27" iMac w/ Retina 5K (2019-2020) and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.

Reviews (444)
In Stock: Ships Same Day!

Mfr P/N: 2666DR4S128S
OWC SKU: OWC2666DR4S128S

$339.96
Only
$279.99
Add to Cart
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

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

Memory upgrade kit for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.

Reviews (444)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S64S
OWC SKU: OWC2666DDR4S64S

$179.96
Only
$149.99
Add to Cart
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.

Reviews (56)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S64K
OWC SKU: OWC2621DDR4S64K

$189.98
Only
$164.99
Add to Cart
Limited Quantity
128.0GB (2 x 64GB) OWC 2666MHz DDR4 LRDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

128.0GB (2 x 64GB) OWC 2666MHz DDR4 LRDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.

Limited Quantity, Only 4 Left!
Be the first
In Stock: Ships Same Day!

Mfr P/N: DID2627DP128
OWC SKU: OWCDID2627DP128

$2,000.00
Only
$399.99
Add to Cart
512GB (4 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-pin LRDIMM memory upgrade kit

512GB (4 x 128GB) OWC PC21300 DDR4 ECC-R 2666MHz 288-pin LRDIMM memory upgrade kit

For iMac Pro. Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.

Be the first
Pending

Mfr P/N: DID2627DS512
OWC SKU: OWCDID2627DS512

$10,400.00
Only
$2,099.99
Add to Cart
96.0GB (2 x 32GB + 2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

96.0GB (2 x 32GB + 2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

Memory upgrade kit for 27" iMac w/ Retina 5K (2019-2020) and PCs which utilize PC4-21300 SO-DIMM. Lifetime OWC Limited Warranty.

Reviews (444)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S96S
OWC SKU: OWC2666DDR4S96S

$269.96
Only
$224.99
Add to Cart
384.0GB (3 x 128GB) OWC PC21300 DDR4 2666MHz ECC Registered 288-pin LRDIMM Memory Upgrade Kit

384.0GB (3 x 128GB) OWC PC21300 DDR4 2666MHz ECC Registered 288-pin LRDIMM Memory Upgrade Kit

For iMac Pro. Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.

Be the first
In Stock: Ships Same Day!

Mfr P/N: DID2627DS384
OWC SKU: OWCDID2627DS384

$7,800.00
Only
$1,599.99
Add to Cart
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.

Reviews (56)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S64P
OWC SKU: OWC2621DDR4S64P

$179.98
Only
$154.99
Add to Cart
128.0GB (4 x 32GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

128.0GB (4 x 32GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.

Be the first
In Stock: Ships Same Day!

Mfr P/N: DID2627DS128
OWC SKU: OWCDID2627DS128

$2,000.00
Only
$349.99
Add to Cart
64.0GB (4 x 16GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

64.0GB (4 x 16GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

Memory upgrade kit for iMac Pro (2017). Includes screen adhesive. **Requires Professional Installation** Lifetime OWC Limited Warranty.

Be the first
In Stock: Ships Same Day!

Mfr P/N: DID2627DS64T
OWC SKU: OWCDID2627DS64T

$400.00
Only
$169.99
Add to Cart

Showing 1 - 11 of 11 items