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48 matches

2666MHz

Frequency: 2666MHz

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512.0GB (1) 384.0GB (2) 256.0GB (2) 192.0GB (2) 128.0GB (5) 96.0GB (2) 64.0GB (9) 48.0GB (1) 32.0GB (11) 16.0GB (11) 8.0GB (2)

Form Factor

SO-DIMM (21) DIMM (1) RDIMM (21) LRDIMM (5)

Error Correction

ECC (30) Non-ECC (18)

Registration

Registered (24) Non-Registered (24)

Brand

Apple (2) Major Brand (Third-Party) (1) OWC (45)

Item Condition

New (40) Used (8)

Special Offers

Free US Shipping (21) Garage Sale (8)

Rating

5 stars (3) 4 stars and up (21) 1 star and up (39)

Price

$20 to $40 (7) $40 to $60 (9) $60 to $80 (4) $80 to $100 (4) $100 to $150 (4) $150 to $200 (4) $200 to $300 (4) $300 to $400 (2) $400 to $500 (3) $500 to $750 (3) $1000 to $1500 (2) More than $2000 (2)
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

32.0GB (2 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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S32P
OWC SKU: OWC2666DDR4S32P

$77.98
Only
$69.99
Add to Cart
16.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

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

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

Reviews (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S16G
OWC SKU: OWC2666DDR4S16G

 
Only
$36.99
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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DR4S128S
OWC SKU: OWC2666DR4S128S

 
Only
$284.99
Add to Cart
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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S64P
OWC SKU: OWC2666DDR4S64P

 
Only
$144.99
Add to Cart
32.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

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

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

Reviews (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S32G
OWC SKU: OWC2666DDR4S32G

 
Only
$72.99
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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S64S
OWC SKU: OWC2666DDR4S64S

$155.96
Only
$138.99
Add to Cart
8.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

8.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

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

Reviews (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S08G
OWC SKU: OWC2666DDR4S08G

 
Only
$22.99
Add to Cart
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

16.0GB (2 x 8GB) 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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S16P
OWC SKU: OWC2666DDR4S16P

$49.98
Only
$43.99
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 (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S64K
OWC SKU: OWC2621DDR4S64K

 
Only
$159.99
Add to Cart
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.

Reviews (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S32K
OWC SKU: OWC2621DDR4S32K

$97.98
Only
$84.99
Add to Cart
Limited Quantity
(*) 32.0GB (2 x 16GB) Apple Factory Original PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Set

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

Memory upgrade for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize 2400MHz or 2600MHz DDR4 SO-DIMM. *Used, OWC Tested* 90 Day OWC Fulfilled Limited Warranty.

Limited Quantity, Only 3 Left!
Reviews (4)
In Stock: Ships Same Day!

Mfr P/N: 2618DDR4S32P
OWC SKU: APL2618DDR4S32P

$600.00
Only
$47.99
Add to Cart
32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

32.0GB (4 x 8GB) 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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S32S
OWC SKU: OWC2666DDR4S32S

$99.96
Only
$88.99
Add to Cart
16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 LRDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666D4MPE16G
OWC SKU: OWC2666D4MPE16G

 
Only
$42.99
Add to Cart
8.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

8.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666D4MPE8GB
OWC SKU: OWC2666D4MPE8GB

$24.99
Only
$21.99
Add to Cart
32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

32.0GB (4 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R8M32
OWC SKU: OWC2666R8M32

$99.96
Only
$79.99
Add to Cart
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.

Reviews (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S32P
OWC SKU: OWC2621DDR4S32P

$87.98
Only
$74.99
Add to Cart
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.

Reviews (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S16P
OWC SKU: OWC2621DDR4S16P

$59.98
Only
$49.99
Add to Cart
128.0GB (4x 32GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

128.0GB (4x 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
$494.99
Add to Cart
Limited Quantity
(*) 32.0GB (2 x 16GB) Apple Factory Original PC4-21300 2666MHz DDR4 ECC-R 288-Pin RDIMM Memory Upgrade Kit

(*) 32.0GB (2 x 16GB) Apple Factory Original PC4-21300 2666MHz DDR4 ECC-R 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019, 8-core model) and PC/Servers that utilize DDR4 2666MHz ECC-R RDIMMs. *Used, OWC Tested* 90 Day OWC Limited Warranty.

Limited Quantity, Only 1 Left!
Be the first
In Stock: Ships Same Day!

Mfr P/N: 26R16GX4M32
OWC SKU: APL26R16GX4M32

$600.00
Only
$44.99
Add to Cart
(*) 16.0GB (2 x 8GB) 2666MHz DDR4 SO-DIMM PC4-21300 SO-DIMM 260 Pin Memory Upgrade Kit

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

For iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. *Used, OWC Tested* 1 Year OWC Limited Warranty.

Reviews (2)
Sold Out

Mfr P/N: 2666DDR4S16
OWC SKU: OWU2666DDR4S16U

$79.99
Only
$26.99
Sold Out
Limited Quantity
(*) 32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit

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

For iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. *Used, OWC Tested* 1 Year OWC Limited Warranty.

Limited Quantity, Only 3 Left!
Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S32P
OWC SKU: OWU2666DDR4S32U

 
Only
$49.99
Add to Cart
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

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

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R3M256
OWC SKU: OWC2666R3M256

$823.92
Only
$699.99
Add to Cart
192.0GB (6 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

192.0GB (6 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R3M192
OWC SKU: OWC2666R3M192

$617.94
Only
$529.99
Add to Cart
96.0GB (6 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

96.0GB (6 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R1M96
OWC SKU: OWC2666R1M96

$269.94
Only
$237.99
Add to Cart
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R3M64
OWC SKU: OWC2666R3M64

$205.98
Only
$179.99
Add to Cart
48.0GB (6 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

48.0GB (6 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R8M48
OWC SKU: OWC2666R8M48

$149.94
Only
$117.99
Add to Cart
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.

Reviews (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S16K
OWC SKU: OWC2621DDR4S16K

$69.98
Only
$59.99
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 (46)
In Stock: Ships Same Day!

Mfr P/N: 2621DDR4S64P
OWC SKU: OWC2621DDR4S64P

 
Only
$149.99
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 (392)
In Stock: Ships Same Day!

Mfr P/N: 2666DDR4S96S
OWC SKU: OWC2666DDR4S96S

 
Only
$215.19
Add to Cart
Limited Quantity
(*) 16.0GB (2 x 8GB) Apple Factory Original PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Set

(*) 16.0GB (2 x 8GB) Apple Factory Original PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Set

Memory upgrade for iMac (2019-2020) and Mac mini (2018) models and PCs which utilize 2400MHz or 2600MHz DDR4 SO-DIMM. *Used, OWC Tested* Description for Compatibility ONLY. 90 Day OWC Fulfilled Limited Warranty.

Limited Quantity, Only 5 Left!
Reviews (4)
In Stock: Ships Same Day!

Mfr P/N: APL2618DDR4S16P
OWC SKU: APL2618DDR4S16P

$400.00
Only
$24.99
Add to Cart
64.0GB (4x 16GB) OWC 2666MHz DDR4 RDIMM PC4-21300 288-Pin CL19 Memory Upgrade Kit for iMac Pro (2017)

64.0GB (4x 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
$229.99
Add to Cart
Limited Quantity
(*) 32.0GB Major Brand PC4-21300 DDR4 ECC 288 Pin 2666MHz RDIMM Module

(*) 32.0GB Major Brand PC4-21300 DDR4 ECC 288 Pin 2666MHz RDIMM Module

For Mac Pro 2019 (8-core model), iMac Pro 2017 and PC/Servers that utilize DDR4 ECC RDIMM Modules 2666MHz *Used, OWC Tested* 1 Year OWC Fulfilled Limited Warranty.

Limited Quantity, Only 2 Left!
Be the first
In Stock: Ships Same Day!

Mfr P/N: 266DDR432GB
OWC SKU: APT266DDR432GB

 
Only
$49.00
Add to Cart
Limited Quantity
(*) 16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

(*) 16.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Upgrade

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 LRDIMM. *Used, OWC Tested* 90 Day OWC Limited Warranty.

Limited Quantity, Only 1 Left!
Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666D4MPE16G
OWC SKU: OWC2666D4MPE16U

$149.99
Only
$29.75
Add to Cart
512GB (4x 128GB) OWC Brand PC21300 DDR4 ECC-R 2666MHz 288-pin LRDIMM memory upgrade kit

512GB (4x 128GB) OWC Brand 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
In Stock: Ships Same Day!

Mfr P/N: DID2627DS512
OWC SKU: OWCDID2627DS512

$10,400.00
Only
$3,499.99
Add to Cart
384GB (3x 128GB) OWC Brand PC21300 DDR4 ECC-R 2666MHz 288-pin LRDIMM memory upgrade kit

384GB (3x 128GB) OWC Brand 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
In Stock: Ships Same Day!

Mfr P/N: DID2627DS384
OWC SKU: OWCDID2627DS384

$7,800.00
Only
$2,699.99
Add to Cart
192.0GB (12 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

192.0GB (12 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R1M192
OWC SKU: OWC2666R1M192

$539.88
Only
$449.99
Add to Cart
384.0GB (12 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

384.0GB (12 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R3M384
OWC SKU: OWC2666R3M384

$1,235.88
Only
$1,029.99
Add to Cart
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R1M128
OWC SKU: OWC2666R1M128

$359.92
Only
$314.99
Add to Cart
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R3M128
OWC SKU: OWC2666R3M128

$411.96
Only
$358.99
Add to Cart
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R1M64
OWC SKU: OWC2666R1M64

$179.96
Only
$159.99
Add to Cart
32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

32.0GB (2 x 16GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
In Stock: Ships Same Day!

Mfr P/N: 2666R1M32
OWC SKU: OWC2666R1M32

 
Only
$82.99
Add to Cart
Limited Quantity
(*) 16.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

(*) 16.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade

For iMac (2019-2020) and Mac mini (2018) models and PCs which utilize PC4-21300 SO-DIMM. *Used, OWC Tested* 90 Day OWC Limited Warranty.

Limited Quantity, Only 4 Left!
Reviews (2)
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Mfr P/N: 2666DR4S16G
OWC SKU: OWC2666DR4S16GU

$99.95
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64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

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

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

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Mfr P/N: 2666R8M64
OWC SKU: OWC2666R8M64

$199.92
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$154.99
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16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade Kit

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

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
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Mfr P/N: 2666R8M16
OWC SKU: OWC2666R8M16

$49.98
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$40.99
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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.

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Mfr P/N: DID2627DP128
OWC SKU: OWCDID2627DP128

$2,000.00
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$679.99
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256.0GB (4 x 64GB) 2666MHz DDR4 LRDIMM PC4-21300 288-pin CL19 Memory Upgrade Kit for iMac Pro

256.0GB (4 x 64GB) 2666MHz DDR4 LRDIMM PC4-21300 288-pin CL19 Memory Upgrade Kit for iMac Pro

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

Limited Quantity, Only 5 Left!
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Mfr P/N: DID2627DS256
OWC SKU: OWCDID2627DS256

$5,200.00
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$1,299.99
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64.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Module

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

For Mac Pro (2019) 8-core models and other systems that utilize PC4-21300 LRDIMM. Lifetime OWC Limited Warranty.

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Mfr P/N: 2666D4LRE64G
OWC SKU: OWC2666D4LRE64G

$679.99
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$429.99
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32.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade

32.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin RDIMM Memory Upgrade

For Mac Pro (2019) 8-Core models and other systems that utilize PC4-21300 RDIMM. Lifetime OWC Limited Warranty.

Reviews (2)
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Mfr P/N: 2666D4MPE32G
OWC SKU: OWC2666D4MPE32G

 
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$94.99
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