Shop Memory by System

Searching for memory for your Mac or PC system? Start here, and find exactly what you need.

Shop Mac Memory
Shop PC Memory

139 matches in Memory

PC4-21300

Category: Memory » PC Speed: PC4-21300

Showing 91 - 139 of 139 items
  • 1
  • 2

Sort:
Show:
View:

Filtering By

Category

Memory
Remove

PC Speed

PC4-21300
Remove
Filter By

Compatible System

Mac (46) PC (93)

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 (30) 48.0GB (1) 32.0GB (30) 16.0GB (19) 8.0GB (11) 4.0GB (1)

Form Factor

DIMM (29) LRDIMM (18) RDIMM (44) SO-DIMM (48)

Error Correction

ECC (91) Non-ECC (48)

Registration / Buffer

Registered (48) Non-Registered (78) Load Reduced (13)

Brand

OWC (133) Apple (3) Major Brand (Third-Party) (3)

Item Condition

New (133) Used (6)

Special Offer

Free US Shipping (110) Garage Sale (6)

Rating

4 and up (18)

Price

Less than $40 (1) $40 to $60 (4) $60 to $80 (5) $80 to $100 (3) $100 to $150 (16) $150 to $200 (7) $200 to $300 (18) $300 to $400 (7) $400 to $500 (10) $500 to $750 (21) $750 to $1000 (11) $1000 to $1500 (13) $1500 to $2000 (7) More than $2000 (16)
64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

64.0GB (8 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.

Be the first
In Stock

Mfr P/N: 2U6D41R8064K
OWC SKU: OWC2U6D41R8064K

 
Only
$475.12
Add to Cart
64.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Module for PC

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

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

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D44R464GB
OWC SKU: OWC2R6D44R464GB

 
Only
$529.99
Add to Cart
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

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.

Be the first
In Stock

Mfr P/N: 2U6D42R8256K
OWC SKU: OWC2U6D42R8256K

 
Only
$1,918.00
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R1M32
OWC SKU: OWC2666R1M32

 
Only
$282.65
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
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.

Special Offers BadgeSpecial Offers
Reviews (504)
In Stock

Mfr P/N: 2666DDR4S96S
OWC SKU: OWC2666DDR4S96S

 
Only
$730.76
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R3M384
OWC SKU: OWC2666R3M384

 
Only
$3,893.27
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
Limited Quantity
(*) 64.0GB Major Brand PC4-21300 DDR4 2666MHz ECC 288-Pin RDIMM Memory Module for Mac

(*) 64.0GB Major Brand PC4-21300 DDR4 2666MHz ECC 288-Pin RDIMM Memory Module for Mac

For Mac Pro 2019 (8-core model), iMac Pro 2017 and PC/Servers that utilize DDR4 ECC RDIMM Modules 2666MHz *Used, OWC Tested* 90 Day OWC Fulfilled Limited Warranty.

Limited Quantity, Only 1 Left!
Be the first
In Stock

Mfr P/N: 266DDR464GB
OWC SKU: APT266DDR464GB

$800.00
Only
$144.75
Add to Cart
1.0TB (8 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

1.0TB (8 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2L6D44R41TBK
OWC SKU: OWC2L6D44R41TBK

 
Only
$7,163.92
Add to Cart
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

16.0GB (2 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.

Be the first
In Stock

Mfr P/N: 2S6D41R8016P
OWC SKU: OWC2S6D41R8016P

 
Only
$118.78
Add to Cart
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

128.0GB (4 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.

Be the first
In Stock

Mfr P/N: 2L6D44R4128S
OWC SKU: OWC2L6D44R4128S

 
Only
$1,075.64
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R8M64
OWC SKU: OWC2666R8M64

 
Only
$752.14
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

64.0GB (4 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2U6D42R8064S
OWC SKU: OWC2U6D42R8064S

 
Only
$439.08
Add to Cart
32.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Module for PC

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

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

Be the first
In Stock

Mfr P/N: 2U6D42R832GB
OWC SKU: OWC2U6D42R832GB

 
Only
$239.99
Add to Cart
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit for PC

64.0GB (4 x 16GB) 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.

Be the first
In Stock

Mfr P/N: 2C6D42R8064S
OWC SKU: OWC2C6D42R8064S

 
Only
$625.27
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: DID2627DS512
OWC SKU: OWCDID2627DS512

 
Only
$3,774.84
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

64.0GB (2 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.

Be the first
In Stock

Mfr P/N: 2E6D42R8064P
OWC SKU: OWC2E6D42R8064P

 
Only
$594.77
Add to Cart
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

64.0GB (2 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D42R4064P
OWC SKU: OWC2R6D42R4064P

 
Only
$618.12
Add to Cart
128.0GB (2 x 64GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

128.0GB (2 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D42R4128P
OWC SKU: OWC2R6D42R4128P

 
Only
$1,056.80
Add to Cart
Limited Quantity
(*) 32.0GB (2 x 16GB) Major Brand PC4-21300 DDR4 2666MHz 260-Pin SO-DIMM Memory Upgrade Kit for Mac

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

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 4 Left!
Be the first
In Stock

Mfr P/N: 2618DDR4S32P
OWC SKU: APT2618DDR4S32P

$600.00
Only
$138.75
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.

Special Offers BadgeSpecial Offers
Reviews (39)
In Stock

Mfr P/N: 2621DDR4S32P
OWC SKU: OWC2621DDR4S32P

 
Only
$240.52
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

128.0GB (8 x 16GB) 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.

Be the first
In Stock

Mfr P/N: 2E6D42R8128K
OWC SKU: OWC2E6D42R8128K

 
Only
$1,249.27
Add to Cart
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

64.0GB (4 x 16GB) 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D42R4064S
OWC SKU: OWC2R6D42R4064S

 
Only
$537.84
Add to Cart
64.0GB (2 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

64.0GB (2 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.

Be the first
In Stock

Mfr P/N: 2S6D42R8064P
OWC SKU: OWC2S6D42R8064P

 
Only
$479.50
Add to Cart
Limited Quantity
64.0GB OWC 2666MHz DDR4 PC4-21300 ECC 288-Pin LRDIMM Memory Module for Mac

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

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

Special Offers BadgeSpecial Offers, Only 4 Left!
Be the first
In Stock

Mfr P/N: 2666D4LRE64G
OWC SKU: OWC2666D4LRE64G

$679.99
Only
$429.99
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
32.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Module for PC

32.0GB 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.

Be the first
In Stock

Mfr P/N: 2L6D44R432GB
OWC SKU: OWC2L6D44R432GB

 
Only
$269.99
Add to Cart
1.0TB (8 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

1.0TB (8 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D44R41TBK
OWC SKU: OWC2R6D44R41TBK

 
Only
$7,163.92
Add to Cart
256.0GB (2 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D44R4256P
OWC SKU: OWC2R6D44R4256P

 
Only
$1,794.58
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: DID2627DS384
OWC SKU: OWCDID2627DS384

 
Only
$2,841.82
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
8.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Module for PC

8.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Module for PC

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 1Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

Be the first
In Stock

Mfr P/N: 2R6D41R408GB
OWC SKU: OWC2R6D41R408GB

 
Only
$89.99
Add to Cart
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

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

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 1Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

Be the first
In Stock

Mfr P/N: 2R6D41R4016P
OWC SKU: OWC2R6D41R4016P

 
Only
$179.44
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R1M96
OWC SKU: OWC2666R1M96

 
Only
$844.20
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R3M256
OWC SKU: OWC2666R3M256

 
Only
$2,590.90
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit for PC

128.0GB (8 x 16GB) 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.

Be the first
In Stock

Mfr P/N: 2C6D42R8128K
OWC SKU: OWC2C6D42R8128K

 
Only
$1,249.27
Add to Cart
256.0GB (8 x 32GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2L6D44R4256K
OWC SKU: OWC2L6D44R4256K

 
Only
$2,149.12
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666D4MPE32G
OWC SKU: OWC2666D4MPE32G

 
Only
$325.49
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
64.0GB (4 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC DIMM Memory Upgrade Kit for PC

64.0GB (4 x 16GB) 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.

Be the first
In Stock

Mfr P/N: 2E6D42R8064S
OWC SKU: OWC2E6D42R8064S

 
Only
$625.27
Add to Cart
64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

64.0GB (8 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.

Be the first
In Stock

Mfr P/N: 2S6D41R8064K
OWC SKU: OWC2S6D41R8064K

 
Only
$475.12
Add to Cart
256.0GB (4 x 64GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

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.

Be the first
In Stock

Mfr P/N: 2L6D44R4256S
OWC SKU: OWC2L6D44R4256S

 
Only
$1,991.96
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
Pending

Mfr P/N: 2666R8M32
OWC SKU: OWC2666R8M32

 
Only
$376.45
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
4.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Module for PC

4.0GB OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Module for PC

DDR4-2666, CL19, Non-ECC, SO-DIMM, 260-Pin, 1.2V, 1Rx8, PC4-21300. For Laptops, All-in-One Systems, and NAS Systems. Lifetime OWC Limited Warranty.

Be the first
In Stock

Mfr P/N: 2S6D41R804GB
OWC SKU: OWC2S6D41R804GB

 
Only
$34.99
Add to Cart
256.0GB (2 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC LRDIMM Memory Upgrade Kit for PC

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.

Be the first
In Stock

Mfr P/N: 2L6D44R4256P
OWC SKU: OWC2L6D44R4256P

 
Only
$1,794.58
Add to Cart
16.0GB (2 x 8GB) OWC 2666MHz DDR4 PC4-21300 288-Pin DIMM Memory Upgrade Kit for PC

16.0GB (2 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2U6D41R8016P
OWC SKU: OWC2U6D41R8016P

 
Only
$118.78
Add to Cart
128.0GB (8 x 16GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

128.0GB (8 x 16GB) 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D42R4128K
OWC SKU: OWC2R6D42R4128K

 
Only
$1,076.76
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R1M128
OWC SKU: OWC2666R1M128

 
Only
$1,130.60
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
512.0GB (4 x 128GB) OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Upgrade Kit for PC

512.0GB (4 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.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D44R4512S
OWC SKU: OWC2R6D44R4512S

 
Only
$3,585.56
Add to Cart
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.

Special Offers BadgeSpecial Offers
Be the first
In Stock

Mfr P/N: 2666R1M64
OWC SKU: OWC2666R1M64

 
Only
$564.73
Add to Cart
Add Parallels Desktop Pro Edition for only $29.00!
64.0GB (8 x 8GB) OWC 2666MHz DDR4 PC4-21300 260-Pin ECC SO-DIMM Memory Upgrade Kit for PC

64.0GB (8 x 8GB) 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, 1Rx8, PC4-21300. For Laptops, All-in-One Systems, and NAS Systems. Lifetime OWC Limited Warranty.

Be the first
In Stock

Mfr P/N: 2C6D41R8064K
OWC SKU: OWC2C6D41R8064K

 
Only
$593.92
Add to Cart
128.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Module for PC

128.0GB OWC 2666MHz DDR4 PC4-21300 288-Pin ECC RDIMM Memory Module for PC

DDR4-2666, CL19, ECC, RDIMM, 288-Pin, 1.2V, 8Rx4, PC4-21300. For Workstations, Servers, and NAS Systems. Lifetime OWC Limited Warranty.

Be the first
Ships in 2-3 Days

Mfr P/N: 2R6D48R4128G
OWC SKU: OWC2R6D48R4128G

 
Only
$899.99
Add to Cart
128.0GB (4 x 32GB) OWC 2666MHz DDR4 PC4-21300 260-Pin SO-DIMM Memory Upgrade Kit for PC

128.0GB (4 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.

Be the first
In Stock

Mfr P/N: 2S6D42R8128S
OWC SKU: OWC2S6D42R8128S

 
Only
$959.00
Add to Cart

Showing 91 - 139 of 139 items
  • 1
  • 2