• In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Speed
Capacity
BIOS/Performance Profile
CAS Latency
Multi-channel Kit
Recommend Use
Show More
Voltage
ECC
Sold by
Type
Color
LED Color
All Top Brands
Availability
Condition
Total Capacity
Useful Links
Customer Ratings
avatar

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

Sort By:
View:
  • DDR4 2666 (PC4 21300)
CORSAIR Vengeance LPX 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Memory Kit Model CMK32GX4M2A2666C16
Quick View
CORSAIR Vengeance LPX 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Memory Kit Model CMK32GX4M2A2666C16
  • CAS Latency: CL16
  • Voltage: 1.20V
  • Timing: 16-18-18-35
  • Recommend Use: AMD 300 Series / AMD 400 Series / AMD X570 / High Performance or Gaming Memory / Intel 100 Series / Intel 200 Series / Intel 300 Series / Intel 400 Series / Intel X299
  • Model #: CMK32GX4M2A2666C16
G.SKILL Aegis 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GIS
Quick View
G.SKILL Aegis 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GIS
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Timing: 19-19-19-43
  • Model #: F4-2666C19D-32GIS
G.SKILL Value Series 32GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-32GNT
Quick View
G.SKILL Value Series 32GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-32GNT
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19-43
  • Recommend Use: AMD X570 / B550 Intel Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390
  • Model #: F4-2666C19S-32GNT
Black Diamond Memory 8GB DDR4 2666 (PC4 21300) Desktop Memory Model BD8G2666MQ22
Quick View
Black Diamond Memory 8GB DDR4 2666 (PC4 21300) Desktop Memory Model BD8G2666MQ22
  • BIOS/Performance Profile: Intel XMP 2.0
  • Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
  • Model #: BD8G2666MQ22
Black Diamond Memory 16GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16G2666MQ25
Quick View
Black Diamond Memory 16GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16G2666MQ25
  • BIOS/Performance Profile: Intel XMP 2.0
  • Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
  • Model #: BD16G2666MQ25
Black Diamond Memory 16GB (2 x 8GB) DDR4 2666 (PC4 21300) Desktop Memory Model BD8GX22666MQ22
Quick View
Black Diamond Memory 16GB (2 x 8GB) DDR4 2666 (PC4 21300) Desktop Memory Model BD8GX22666MQ22
  • BIOS/Performance Profile: Intel XMP 2.0
  • Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
  • Model #: BD8GX22666MQ22
  •  
  • $186.99 
  • Free Shipping
Black Diamond Memory 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16GX22666MQ25
Quick View
Black Diamond Memory 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16GX22666MQ25
  • BIOS/Performance Profile: Intel XMP 2.0
  • Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
  • Model #: BD16GX22666MQ25
  •  
  • $268.99 
  • Free Shipping
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
Available Direct from A-Tech Available Direct from A-Tech
Crucial 16GB 2666 MT/S 288-Pin DDR4 SDRAM UDIMM (PC4-21300) Memory Module, CL19, Unbuffered, Dual Ranked x8, Non-ECC, 1.2V
Quick View
Crucial 16GB 2666 MT/S 288-Pin DDR4 SDRAM UDIMM (PC4-21300) Memory Module, CL19, Unbuffered, Dual Ranked x8, Non-ECC, 1.2V
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 11-11-11-36
  • Brand: Crucial
  • Model #: CT16G4DFD8266
Crucial 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT8G4DFRA266
Quick View
Crucial 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT8G4DFRA266
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19
  • Buffered/Registered: Unbuffered
  • Model #: CT8G4DFRA266
Kingston ValueRAM 4GB DDR4 2666MHz 288pin SDRAM DIMM Memory Module KVR26N19S64
Quick View
Kingston ValueRAM 4GB DDR4 2666MHz 288pin SDRAM DIMM Memory Module KVR26N19S64
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19
  • Buffered/Registered: Unbuffered
  • Model #: KVR26N19S6/4
Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266
Quick View
Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Timing: 19-19-19
  • Model #: CT8G4DFS8266-CRUCIAL
Timetec 16GB KIT (2x8GB) DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM  288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
Quick View
  • $115.99
  •  
  • $109.99 
  • Save: $6.00 (5%)
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
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
in 30 days
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 ValueRAM 8GB (1 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19S8/8
Quick View
Kingston ValueRAM 8GB (1 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19S8/8
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19
  • Buffered/Registered: Unbuffered
  • Model #: KVR26N19S8/8
Black Diamond Memory 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16GX22933MQ25
Quick View
Black Diamond Memory 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model BD16GX22933MQ25
  • BIOS/Performance Profile: Intel XMP 2.0
  • Features: With decades of experience specializing in memory and server parts, Black Diamond Memory is a proven manufacturer in the industry. Our products currently support over 200,000 configurations as well as support for enterprise servers, desktops, laptops, and a large variety of other devices.
  • Model #: BD16GX22933MQ25
  •  
  • $258.99 
  • Free Shipping
Patriot Memory Signature Line 8GB (1x8GB) DDR4 2666MHz (PC4-21300) UDIMM Memory Module 1.2V - PSD48G266681
Quick View
Patriot Memory Signature Line 8GB (1x8GB) DDR4 2666MHz (PC4-21300) UDIMM Memory Module 1.2V - PSD48G266681
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19-43
  • Buffered/Registered: Unbuffered
  • Model #: PSD48G266681
SK Hynix HMA81GU6JJR8N-VK 8GB 1RX8 PC4-2666V DDR4 For Desktop
Quick View
in 30 days
SK hynix
SK Hynix HMA81GU6JJR8N-VK 8GB 1RX8 PC4-2666V DDR4 For Desktop
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Part Number: HMA81GU6JJR8N-VK
  • Model #: HHMA81GU6JJR8N-VK
Samsung 32GB DDR4 2666MHz PC4-21300 1.2V 2Rx8 288-Pin UDIMM Desktop RAM Memory Module M378A4G43MB1-CTD
Quick View
Samsung 32GB DDR4 2666MHz PC4-21300 1.2V 2Rx8 288-Pin UDIMM Desktop RAM Memory Module M378A4G43MB1-CTD
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered / Unregistered
  • Color: Green
  • Model #: M378A4G43MB1-CTD-SM
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
  • $59.99
  •  
  • $57.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
8GB DDR4 2666MHz PC4-21300 CL19 ECC Registered 288pin Hynix Memory HMA81GR7AFR8N-VK
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
Quick View
  • $104.99
  •  
  • $101.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
8GB RAM Replacement for Kingston HP26D4U9S8ME-8, KVR26N19S8/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Kingston HP26D4U9S8ME-8, KVR26N19S8/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772488618
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Crucial CT8G4DFRA266.C8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Crucial CT8G4DFRA266.C8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Crucial CT8G4DFRA266.C8
  • Model #: NE-PNR-1623
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Corsair CMK32GX4M4A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Corsair CMK32GX4M4A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Corsair CMK32GX4M4A2666C16
  • Model #: NE-PNR-1599
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Crucial CT2K4G4DFS8266, CT4G4DFS8266 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
4GB RAM Replacement for Crucial CT2K4G4DFS8266, CT4G4DFS8266 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772481053
  •  
  • $41.15 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for IBM-Lenovo 4X70R38787, 4ZC7A08701 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
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
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Kingston KCP426NS6/8, KVR26N19S6/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
8GB RAM Replacement for Kingston KCP426NS6/8, KVR26N19S6/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772488595
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Corsair CMK8GX4M1A2666C16 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Corsair CMK8GX4M1A2666C16 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Corsair CMK8GX4M1A2666C16
  • Model #: NE-PNR-1594
  •  
  • $68.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for HP 3TK85AA, 3TK85TA | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
4GB RAM Replacement for HP 3TK85AA, 3TK85TA | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772484511
  •  
  • $41.15 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Crucial BLS4G4D26BFSC | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
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
  •  
  • $41.15 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Hynix HMA81GU6CJR8N-VK, HMA81GU6DJR8N-VK, HMA81GU6JJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Hynix HMA81GU6CJR8N-VK, HMA81GU6DJR8N-VK, HMA81GU6JJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474550
  •  
  • $73.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for HP 934253-800 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
4GB RAM Replacement for HP 934253-800 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for HP 934253-800
  • Model #: NE-PNR-1731
  •  
  • $35.65 
  • Free Shipping
Direct from A-Tech Direct from A-Tech