Hello
Select address
Search
Change Country
Returns
& Orders
Menu
Shell Shocker
PC Builder
Clearance
Best Sellers
Newegg Card
Gamer Community
Laptop Upgrade
Free Gift w/ AMD
Free AIO w/ Intel
Newegg
Business
Feedback
Help Center
Your Browsing History
Home
Components & Storage
Search Results: "DDR4 2666"
Components & Storage
Did You Find It?
Save this search
In Stock
ON
OFF
Sold by Newegg
ON
OFF
Make an Offer
ON
OFF
New
ON
OFF
Department
Any Category
Desktop Memory
Server Memory
Laptop Memory
AMD Motherboards
Backup Drives
Barebone PCs
Case Accessories
Computer Power Cords
Controllers / RAID Cards
CPU Accessories
Crypto Mining
Desktop CPU Processor
Desktop NAS
Embedded Solutions
Extenders & Repeaters
Hard Drive Adapters
HDD / SSD Accessories
Intel Motherboards
Internal Power Cables
International Power Cords
Laptop Replacement Parts
Memory & Chipset Cooling
Memory Cards
Mini-PC Barebone
Motherboard Accessories
Other Computer Accessories
Rackmount NAS
S-Video Cables
SCSI / SAS / InfiniBand Cables
Security Locks & Accessories
Server Chassis
Server Motherboards
Server Power Supplies
System Specific Memory
VGA / SVGA Cables
Wired Accessories
Show More
Brands
NEMIX RAM
ASUS
OWC
A-Tech
GIGABYTE
MSI
Brute Networks
SAMSUNG
Computer Memory Solutions
Avarum
SK hynix
Universal
ASRock
Kingston Technology Corp.
Synology Inc.
Micron Technology, Inc.
Crucial
Intel
DELL
HP
Axiom
Supermicro
RIMLANCE
Areca Technology Corp.
Timetec
Show More
Price
to
$0 - $10
$10 - $25
$25 - $50
$50 - $75
$75 - $100
$100 - $200
$200 - $300
$300 - $400
$400 - $500
$500 - $750
$750 - $1000
$1000 - $1250
$1250 - $1500
$1500 - $2000
$2000 - $2500
$2500 - $3000
$3000 - $3500
$3500 - $4000
$4000 - $4500
$4500 - $5000
$5000 and more
Show More
Speed
DDR5
DDR5 5200 (PC5 41600)
DDR4
DDR4 4266 (PC4 34100)
DDR4 3600 (PC4 28800)
DDR4 3200 (PC4 25600)
DDR4 2933 (PC4 23400)
DDR4 2666 (PC4 21333)
DDR4 2666 (PC4 21300)
DDR4 2400 (PC4 19200)
DDR4 2133 (PC4 17000)
DDR3
DDR3 1866 (PC3 14900)
Capacity
64GB per Module
64GB
48GB per Module
96GB (2 x 48GB)
32GB per Module
32GB
64GB (2 x 32GB)
128GB (4 x 32GB)
256GB (8 x 32GB)
16GB per Module
16GB
32GB (2 x 16GB)
64GB (4 x 16GB)
128GB (8 x 16GB)
8GB per Module
8GB
16GB (2 x 8GB)
32GB (4 x 8GB)
64GB (8 x 8GB)
4GB per Module
4GB
8GB (2 x 4GB)
16GB (4 x 4GB)
64GB (16 x 4GB)
Others
48GB
Show More
Type
288-Pin DDR5 SDRAM
288-Pin DDR4 SDRAM
184-Pin DDR SDRAM
CAS Latency
CAS Latency 41 and more
CL42
CAS Latency 21-30
CL21
CL22
CAS Latency 11-20
CL13
CL15
CL16
CL17
CL18
CL19
CAS Latency 1-5
CL1.5
Multi-channel Kit
Dual Channel Kit
Quad Channel Kit
Recommend Use
AMD & Intel Compatible
AMD 300 Series
AMD 400 Series
AMD 500 Series
AMD B350
AMD B450
AMD B550
AMD Ryzen Compatible
AMD TRX40
AMD X370
AMD X399
AMD X470
AMD X570
Intel 500 Series
Intel 400 Series
Intel 300 Series
Intel 200 Series
Intel 100 Series
Intel X99
Intel X299
Intel Z170
Intel Z270
Intel Z370
Intel Z390
Intel Z490
Intel Z590
Intel Z690
Intel Z790
High Performance or Gaming Memory
Show More
Voltage
1.10V
1.20V
1.35V
1.50V
ECC
Yes
No
Color
Black
Black
Midnight Black
Black PCB
Red
Red
Gold
Gold
Green
Green
Gray
Gray
Gunmetal Grey
Multi
Black / Red
N/A
Green/Black
Silver
Silver
White
White
Show More
LED Color
RGB
None
All Top Brands
Top Brands
Availability
In Stock
Condition
New
Refurbished
Refurbished
Used
Like New
Very Good
Good
Acceptable
Open Box
Current Promotion
Newegg Deals
Discount
40% off and more
Sold by
Newegg
Useful Links
Combo Up Savings
Direct from Manufacturer
Cryptocurrency Payment Accepted
Lowest Price In 30 Days
Make an Offer
Warranty
Less than 1 Year
1 - 3 Years
3 - 5 Years
More than 5 years
Lifetime
Free Shipping
Top Sellers
Discount Item
Volume Savings
Show More
Customer Ratings
& up
Any questions? Our AI beta will help you find out quickly.
Try me now
Search Within:
GO
Page
14/20
Previous Page
Next Page
Sort By:
Featured Items
Lowest Price
Highest Price
Best Selling
Best Rating
Most Reviews
Featured Items
View:
36
60
96
36
List View
Grid View
Quick View
A-Tech 64GB (8x8GB) 1Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Part Number:
AT8G8D4D2666US8N12V
Model #:
AT8G8D4D2666US8N12V
$
599
.92
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
A-Tech 64GB (8x8GB) 2Rx8 PC4-21300 / PC4-21300E DDR4 2666 MHz ECC UDIMM 1.2V ECC Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
CAS Latency:
CL19
Rank:
2Rx8
Model #:
AT8G8D4D2666UD8N12V
$
599
.92
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for Hynix HMABAGR7A4R4N-VN | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2S4Rx4 (8Rx4)
Model #:
NE-PNR-1834
$
649
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Kingston HX426C16FB3/4, HX426C16FB3K2/8, HX426C16FB3K4/16 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772488410
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for Crucial BLS2K16G4D26BFSC, CT2K16G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772480711
$
104
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
8GB RAM Replacement for Crucial CT8G4DFD8266 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772481190
$
63
.91
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Hynix HMA851U6CJR6N-VK, HMA851U6DJR6N-VK | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474796
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Crucial BLS4G4D26BFSC | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772481039
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
32GB RAM Replacement for Samsung M378A4G43MB1-CTD | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772475014
$
192
.90
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6G1QG | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Micron Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2S4Rx4 (8Rx4)
Model #:
NE-PNR-2047
$
635
.24
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for Micron MTA18ASF2G72HZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 NAS Microserver Memory
CAS Latency:
CL19
Voltage:
1.20V
ECC:
Yes
Buffered/Registered:
Unbuffered
Model #:
NE-PNR-2114
$
159
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for HP 934255-800 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP 934255-800
Model #:
NE-PNR-1771
$
104
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
32GB RAM Replacement for HP L43762-001 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP L43762-001
Model #:
NE-PNR-1780
$
194
.24
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for Samsung M386AAK40B40-CWD | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL15
Voltage:
1.20V
Part Number:
M386AAK40B40-CWD
Model #:
NE-PNR-1537
$
635
.24
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for Cisco 15-105085-01, UCS-MR-128G8RS-H | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2S4Rx4 (8Rx4)
Model #:
NE-PNR-1565
$
649
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for Samsung M393AAK40B42-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Samsung Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2S4Rx4 (8Rx4)
Model #:
NE-PNR-2296
$
649
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for HP L26005-001, L36847-001 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP L26005-001, L36847-001
Model #:
NE-PNR-1732
$
23
.77
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
8GB RAM Replacement for HP L40877-800, L21495-001 | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chipset
Recommend Use:
Compatible Replacement for HP L40877-800, L21495-001
Model #:
NE-PNR-1769
$
53
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
128GB RAM Replacement for IBM-Lenovo 7X77A01307, 01DE977 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Chipset:
Major Brand Chipset
CAS Latency:
CL19
Voltage:
1.20V
Rank:
2S4Rx4 (8Rx4)
Model #:
NE-PNR-1926
$
649
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for Kingston ACR26D4S9D8ME-16, HX426C16FBK4/64, KCP426SD8/16, KCRXJ6-HYJ, KCRXJ6-MIE, KF426S15IB1/16, KVR24S17D8/16 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
Features:
Major Brand Chips
Model #:
5053772488168
$
104
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
8GB RAM Replacement for Micron MTA16ATF1G64AZ-2G6, MTA16ATF1G64AZ-2G6B1 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474611
$
63
.91
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
32GB RAM Replacement for HP 6FR89AA | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
CAS Latency:
CL19
Voltage:
1.20V
ECC:
Yes
Buffered/Registered:
Unbuffered
Model #:
5053772484474
$
329
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
32GB RAM Replacement for Samsung M474A4G43MB1-CTD | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
CAS Latency:
CL19
Voltage:
1.20V
ECC:
Yes
Buffered/Registered:
Unbuffered
Model #:
5053772479302
$
329
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Micron MTA8ATF51264AZ-2G6, MTA8ATF51264AZ-2G6B1 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474628
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
32GB RAM Replacement for Kingston KCP426SD8/32, KF426S16IB/32, KVR26S19D8/32 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
Features:
Major Brand Chips
Model #:
5053772488342
$
212
.18
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
8GB RAM Replacement for IBM-Lenovo 4X70R38787, 4ZC7A08701 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772486423
$
63
.91
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Samsung M378A5143TB2-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772475083
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
4GB RAM Replacement for Samsung M378A5244BB0-CTD, M378A5244CB0-CTD, M378A5244CBO-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Voltage:
1.20V
Recommend Use:
AMD & Intel Compatible
Buffered/Registered:
Unbuffered
Tested Frequency:
2666
Model #:
5053772474475
$
27
.43
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
8GB RAM Replacement for Samsung M471A1K43BB1-CTD, M471A1K43CB1-CTD, M471A1K43DB1-CTD, M471A1K43EB1-CTD | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
Recommend Use:
AMD & Intel Compatible
Model #:
5053772475410
$
67
.10
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for Kingston KSM26SED8/16HD, KSM26SED8/16MR, KTD-PN426E/16G, KTH-PN426E/16G, KTL-TN426E/16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
CAS Latency:
CL19
Voltage:
1.20V
ECC:
Yes
Buffered/Registered:
Unbuffered
Model #:
5053772488205
$
159
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for Samsung M471A2K43BB1-CTD, M471A2K43CB1-CTD, M471A2K43DB1-CTD, M471A2K43EB1-CTD | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
CAS Latency:
CL19
Voltage:
1.20V
Buffered/Registered:
Unbuffered
Recommend Use:
AMD & Intel Compatible
Model #:
5053772475397
$
104
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
16GB RAM Replacement for HP 3PL82AA, 3PL82AT, 3TK83AA, 3TK83AT, 3TK83TA, P06773-001 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
CAS Latency:
CL19
Voltage:
1.20V
Chipset:
Major Brand Chips
Recommend Use:
AMD & Intel Compatible
Model #:
5053772483996
$
104
.99
–
Direct from A-Tech
This product is sold direct from the manufacturer.
Add to cart
Compare
Quick View
Black Diamond Memory 64GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD64G2666MQR96
OUT OF STOCK
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD64G2666MQR96
$
299
.99
–
Free Shipping
Auto Notify
Compare
Quick View
Black Diamond Memory 32GB (2 x 16GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD16GX22666MQR26
OUT OF STOCK
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD16GX22666MQR26
$
219
.99
–
Free Shipping
Auto Notify
Compare
Quick View
Black Diamond Memory 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD32G2666MQR29
OUT OF STOCK
Type:
288-Pin DDR4 SDRAM
Rank:
2Rx4
Model #:
BD32G2666MQR29
$
138
.99
–
Free Shipping
Auto Notify
Compare
Quick View
Black Diamond Memory 256GB (2 x 128GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD128GX22666MQR96
OUT OF STOCK
Type:
288-Pin DDR4 SDRAM
Rank:
4Rx4
Model #:
BD128GX22666MQR96
$
1,694
.99
–
Free Shipping
Auto Notify
Compare
Page
14/20
Previous Page
1
...
12
13
14
15
16
...
20
Next Page
Did You Find It?