• In Stock
  • Sold by Newegg
  • AI Ready
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Sold by
All Top Brands
Availability
Condition
Total Capacity
Show More
Current Promotion
Discount
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
Black Diamond Memory 64GB (2 x 32GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD32GX22666MQR29
Quick View
  •  
  • $619.99 
  • Free Shipping
Black Diamond Memory 8GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD8G2666MQR26
Quick View
  •  
  • $399.99 
  • Free Shipping
Kingston KTH-PL426S8/8G 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - ECC - Registered - 288-pin - DIMM
Quick View
Kingston KTH-PL426S8/8G 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - ECC - Registered - 288-pin - DIMM

OUT OF STOCK

  • CAS Latency: CL19
  • Voltage: 1.20V
  • Type: 288-Pin DDR5 SDRAM
  • Rank: 1Rx8
  • Model #: KTH-PL426S8/8G
  • COMING SOON
Black Diamond Memory 16GB (2 x 8GB) ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD8GX22666MQR26
Quick View
A-Tech 4GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module
Quick View
A-Tech 4GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Module
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: NE-SS-0025
  •  
  • $35.65 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Black Diamond Memory 16GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD16G2666MQR26
Quick View
  •  
  • $699.99 
  • Free Shipping
Black Diamond Memory 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model BD32G2666MQR29
Quick View
  •  
  • $699.99 
  • Free Shipping
A-Tech 16GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module
Quick View
A-Tech 16GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: NE-SS-0032
  •  
  • $119.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Timetec 8GB DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM  260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One
Quick View
  • $56.99
  •  
  • $55.99 
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
A-Tech 64GB (2x32GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Kit
Quick View
A-Tech 64GB (2x32GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Kit
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Model #: NE-SS-0047
  •  
  • $439.98 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM  288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Quick View
Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM 288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: MM-DR4/16G/2666-S
  •  
  • $101.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM -  KTH-PL426D8/16G
Quick View
  • COMING SOON
A-Tech 16GB (2x8GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Kit
Quick View
A-Tech 16GB (2x8GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V CL19 288-Pin Desktop Computer RAM Memory Upgrade Kit
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Model #: NE-SS-0041
  •  
  • $129.98 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Timetec 32GB KIT (2x16GB) DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM  288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Quick View
  • $201.99
  •  
  • $197.99 
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
Timetec 8GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM  288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Quick View
  • $58.99
  •  
  • $57.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
A-Tech 64GB (2x32GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Kit
Quick View
A-Tech 64GB (2x32GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Kit
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Model #: NE-SS-0048
  •  
  • $459.98 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Crucial 16GB 260-Pin DDR4 2666 (PC4-21300) SDRAM SODIMM Memory Module, CL19, Unbuffered, Dual Ranked x8, 2048M x 64, Non-ECC, 1.2V (CT16G4SFD8266)
Quick View
Crucial 16GB 260-Pin DDR4 2666 (PC4-21300) SDRAM SODIMM Memory Module, CL19, Unbuffered, Dual Ranked x8, 2048M x 64, Non-ECC, 1.2V (CT16G4SFD8266)
  • CAS Latency: CL19
  • Timing: 19-19-19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: CT-16G4SFD8266
Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM  288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Quick View
  • $103.99
  •  
  • $101.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
A-Tech 16GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module
Quick View
A-Tech 16GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 3200
  • Model #: NE-SS-0033
  •  
  • $130.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Supermicro (HMA81GR7CJR8N-VK) 8GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR480L-HL05-ER26
Quick View
Supermicro
Supermicro (HMA81GR7CJR8N-VK) 8GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR480L-HL05-ER26
  • CAS Latency: CL19
  • Timing: 19-19-19
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Model #: MEM-DR480L-HL05-ER26
A-Tech 32GB (2x16GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Kit
Quick View
A-Tech 32GB (2x16GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Kit
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Model #: NE-SS-0046
  •  
  • $261.98 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
Timetec 32GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (32GB)
Quick View
  •  
  • $179.99 
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory Compatible with Supermicro MEM-DR432L-SL01-EU26 ECC
Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory Compatible with Supermicro MEM-DR432L-SL01-EU26 ECC
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: ME21300-328K1
  • Model #: 0759170857463
  •  
  • $288.00 
  • Free Shipping
Direct from NEMIX RAM Direct from NEMIX RAM
A-Tech 32GB (2x16GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Kit
Quick View
A-Tech 32GB (2x16GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Kit
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Model #: NE-SS-0045
  •  
  • $239.98 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Sponsored
NEMIX RAM 128GB (1X128GB) DDR4 2666MHZ PC4-21300 8Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory
Quick View
NEMIX RAM 128GB (1X128GB) DDR4 2666MHZ PC4-21300 8Rx4 1.2V 288-PIN ECC RDIMM Registered Server Memory
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: MR21300-784K1
  • Model #: 0759170865222
  •  
  • $815.00 
  • Free Shipping
Available Direct from NEMIX RAM Available Direct from NEMIX RAM
A-Tech 256GB (8x32GB) 2Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x4 Server & Workstation RAM Memory Upgrade Kit
Quick View
A-Tech 256GB (8x32GB) 2Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x4 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: AT32G8D4D2666RD4N12V
  •  
  • $1,254.01 
Available Direct from A-Tech Available Direct from A-Tech
Micron 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MTA36ASF4G72PZ-2G6E1
Quick View
Micron 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MTA36ASF4G72PZ-2G6E1
  • CAS Latency: CL19
  • Timing: 19-19-19
  • Type: 288-Pin DDR4 SDRAM
  • Rank: Dual-rank
  • Model #: MTA36ASF4G72PZ-2G6E1
Total Micro 16GB DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1.2
Quick View
Lenovo
Total Micro 16GB DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1.2
  • BIOS/Performance Profile: Intel XMP 2.0
  • Model #: 4X70W30751TM
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
Quick View
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: ME21300-328K2
  • Model #: ME21300-328K02-G
  •  
  • $575.49 
  • Free Shipping
Available Direct from NEMIX RAM Available Direct from NEMIX RAM
NEMIX RAM 64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC RDIMM Registered Server Memory KIT
Quick View
NEMIX RAM 64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC RDIMM Registered Server Memory KIT
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: MR21300-628K4
  • Model #: MR21300-628K04-457
  •  
  • $538.89 
  • Free Shipping
Available Direct from NEMIX RAM Available Direct from NEMIX RAM
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory
Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major OEM Samsung, Micron, Hynix
  • Buffered/Registered: Unbuffered
  • Model #: MD21300-628K01-691
  •  
  • $128.88 
  • Free Shipping
Available Direct from NEMIX RAM Available Direct from NEMIX RAM
16GB DDR4 2666MHz PC4-21300 288 pin DESKTOP Memory Non ECC 2666 Low Density RAM - OEM
Quick View
  •  
  • $119.99 
  • Free Shipping
NEMIX RAM 128GB (4X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
Quick View
NEMIX RAM 128GB (4X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory KIT
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: ME21300-328K4
  • Model #: ME21300-328K04-G
  •  
  • $1,149.99 
  • Free Shipping
Available Direct from NEMIX RAM Available Direct from NEMIX RAM
Kingston 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - Non-ECC - 288-pin - DIMM - KCP426NS6/4
Quick View
Kingston KSM26ES8/8HD 8GB DDR4 SDRAM Memory Module - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 288-pin - DIMM
Quick View
Kingston KSM26ES8/8HD 8GB DDR4 SDRAM Memory Module - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 288-pin - DIMM

OUT OF STOCK

  • Brand: Kingston
  • Series: Premier Series
  • Capacity: 8GB
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: KSM26ES8/8HD
  • COMING SOON
Kingston KSM26SED8/16HD  16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC - Unbuffered - 260-pin - SoDIMM -
Quick View
RIMLANCE 16GB(2x8GB) DDR4-2666(PC4-21300) non-ECC Unbuffered Desktop Memory Kit
Quick View
RIMLANCE 16GB(2x8GB) DDR4-2666(PC4-21300) non-ECC Unbuffered Desktop Memory Kit
  • CAS Latency: CL19
  • Multi-channel Kit: Dual Channel Kit
  • Buffered/Registered: Unbuffered
  • Model #: RLMUD-21300-2/16-28
  • $89.00
  •  
  • $85.99 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE