DDR4-2666 MHz RAM | Newegg.com (2024)

Crucial Pro Overclocking 32GB (2 x 16GB) DDR5 6000 (PC5 48000) Desktop Memory Model CP2K16G60C36U5B

• $114^.99–

• $162^.99–

• $104^.99–

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CORSAIR Vengeance LPX 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK16GX4M2A2666C16

• CAS Latency: 16
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 16-18-18-35
• Model #: CMK16GX4M2A2666C16

• $44.99
• $30^.59–
• Save: $14.40 (32%)
• Free Shipping

AGI UD138 8GB DDR4 UDIMM 2666MHz CL19, 1.2V, 288-pin for Computer Memory RAM Module Upgrade

• CAS Latency: 19
• Voltage: 1.20V
• Part Number: AGI266608UD138
• Model #: AGI266608UD138

• $29.99
• $20^.79–
• Save: $9.20 (30%)
• Free Shipping

Crucial 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT2K16G4DFRA266

• CAS Latency: 19
• Voltage: 1.20V
• Timing: 19-19-19
• Buffered/Registered: Unbuffered
• Model #: CT2K16G4DFRA266

• $70.04
• $68^.04–
• Special Shipping

AGI UD138 16GB DDR4 UDIMM 2666MHz CL19, 1.2V, 288-pin for Computer Memory RAM Module Upgrade

• CAS Latency: 19
• Voltage: 1.20V
• Part Number: AGI266616UD138
• Model #: AGI266616UD138

• $44.99
• $32^.99–
• Save: $12.00 (26%)
• Free Shipping

Crucial 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT2K8G4DFRA266

• CAS Latency: 19
• Voltage: 1.2V
• Buffered/Registered: Unbuffered
• Features: Speeds up to 2666 MT/s and faster data rates are expected to be available as DDR4 technology maturesIncrease bandwidth by up to 32%Reduce power consumption by up to 40%Faster burst access speeds for improved sequential data throughoutOptimized for next generation processors and platforms
• Model #: CT2K8G4DFRA266

• $39^.73–
• Special Shipping

Crucial 32GB Single DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT32G4DFD8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology maturesIncrease bandwidth by up to 32%Reduce power consumption by up to 40%Faster bursts access speeds for improved sequential data throughoutOptimized for next generation processors and platforms
• Model #: CT32G4DFD8266

• $73^.95–
• Free Shipping

Crucial 4GB Single DDR4 2666 MT/s (PC4-21300) CL19 x8 UDIMM 288-Pin Memory - CT4G4DFS8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology maturesIncrease bandwidth by up to 32%Reduce power consumption by up to 40%Faster bursts access speeds for improved sequential data throughoutOptimized for next generation processors and platforms
• Model #: CT4G4DFS8266

• $15.99
• $15^.98–
• Free Shipping

G.SKILL Ripjaws V Series 32GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C18S-32GVK

• CAS Latency: 18
• Voltage: 1.20V
• Timing: 18-18-18-43
• Recommend Use: AMD X570 / B550Intel X299 / Z690 DDR4 / Z590 / Z490 / Z390
• Model #: F4-2666C18S-32GVK

• $73^.41(2 Offers)–
• Free Shipping

Supermicro Certified MEM-DR432L-CL05-ER26 | Micron 32GB PC4-21300 DDR4 2666MHz 2Rx4 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM

• Chipset: Micron Chipset
• CAS Latency: 19
• Voltage: 1.20V
• Rank: 2Rx4
• Model #: MEM-DR432L-CL05-ER26

• $50^.99–
• Free Shipping

Supermicro Certified MEM-DR432L-SL04-ER26 | Samsung 32GB PC4-21300 DDR4 2666MHz 2Rx4 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM

• Chipset: Samsung Chipset
• CAS Latency: 19
• Voltage: 1.20V
• Rank: 2Rx4
• Model #: MEM-DR432L-SL04-ER26

• $45^.99–
• Free Shipping

Crucial 16GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT16G4DFRA266

• CAS Latency: 19
• Voltage: 1.20V
• Timing: 19-19-19
• Buffered/Registered: Unbuffered
• Model #: CT16G4DFRA266

• $38^.13–
• Special Shipping

Supermicro Certified MEM-DR416L-SL07-ER26 | Samsung 16GB PC4-21300 DDR4 2666MHz 1Rx4 Single Rank ECC RDIMM Registered 288-Pin Server Memory RAM

• Chipset: Samsung Chipset
• CAS Latency: 19
• Voltage: 1.20V
• Rank: 1Rx4
• Model #: MEM-DR416L-SL07-ER26

• $26^.99–
• Free Shipping

A-Tech 32GB DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Module

• $74^.99–
• Free Shipping

Supermicro Certified MEM-DR464L-HL02-LR26 | Hynix 64GB PC4-21300 DDR4 2666MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM

• Chipset: Major Brand Chipset
• CAS Latency: 19
• Voltage: 1.20V
• Rank: 4Rx4
• Model #: MEM-DR464L-HL02-LR26

• $71^.99–
• Free Shipping

Crucial 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT8G4DFRA266

• CAS Latency: 19
• Voltage: 1.20V
• Timing: 19-19-19
• Buffered/Registered: Unbuffered
• Model #: CT8G4DFRA266

• $31.99
• $21^.81–
• Save: $10.18 (31%)
• Free Shipping

Crucial 8GB Kit (4GBx2) DDR4 2666 MT/s (PC4-21300) CL19 x8 UDIMM 288-Pin Memory - CT2K4G4DFS8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology maturesIncrease bandwidth by up to 32%Reduce power consumption by up to 40%Faster bursts access speeds for improved sequential data throughoutOptimized for next generation processors and platforms
• Model #: CT2K4G4DFS8266

• $42.99
• $32^.88–
• Save: $10.11 (23%)
• Free Shipping

CORSAIR Vengeance LPX 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Memory Kit Model CMK32GX4M2A2666C16

• CAS Latency: 16
• 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

• $73.99
• $64^.99–
• Save: $9.00 (12%)
• Free Shipping

Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266

• CAS Latency: 19
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 19-19-19
• Model #: CT8G4DFS8266-CRUCIAL

• $17^.93(2 Offers)–
• Free Shipping

G.SKILL Aegis 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GIS

• CAS Latency: 19
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 19-19-19-43
• Model #: F4-2666C19D-32GIS

• $70^.32–
• Special Shipping

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: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Model #: CT16G4DFD8266

• $39^.89–
• Free Shipping

G.SKILL Ripjaws V Series 64GB (2 x 32GB) DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C18D-64GVK

• CAS Latency: 18
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 18-18-18-43
• Model #: F4-2666C18D-64GVK

• $134^.85(3 Offers)–
• Free Shipping

G.SKILL TridentZ RGB Series 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C18D-16GTZR

• CAS Latency: 18
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 18-18-18-43
• Model #: F4-2666C18D-16GTZR

• $65^.04(2 Offers)–
• Free Shipping

Micron 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19 - 1.20 V - ECC - Registered - 288-pin - DIMM

• ECC: ECC
• Model #: MTA36ASF2G72PZ-2G6F1

• $37.00
• $33^.73(3 Offers)–
• Save: $3.27 (8%)
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Crucial 64GB Kit (32GBx2) DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT2K32G4DFD8266

• CAS Latency: 19
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Buffered/Registered: Unbuffered
• Model #: CT2K32G4DFD8266

• $162.99
• $162^.98(2 Offers)–
• Free Shipping

G.SKILL TridentZ RGB Series 64GB (2 x 32GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C18D-64GTZR

• CAS Latency: 18
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 18-18-18-43
• Model #: F4-2666C18D-64GTZR

• $146^.79(2 Offers)–
• Free Shipping

Crucial RAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS6266

• CAS Latency: 19
• Voltage: 1.2 V
• Buffered/Registered: Unbuffered
• Features: Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology maturesIncrease bandwidth by up to 32%Reduce power consumption by up to 40%Faster bursts access speeds for improved sequential data throughoutOptimized for next generation processors and platforms
• Model #: CT4G4DFS6266

• $22^.61–
• Free Shipping

Crucial 32GB (4 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V SR DIMM (288-pin) CT4K8G4DFS8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: CT4K8G4DFS8266 is a 32GB Kit consisting of (4) 8GB Single Ranked DDR4 desktop modules that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Unbuffered DIMM. It conforms to the industry standard DDR4 ECC UDIMM layout of 288 pins and is compatible with systems that take DDR4 2666 MT/s UDIMM memory.
• Model #: CT4K8G4DFS8266

• $79^.99–
• Free Shipping

Crucial 8GB Kit (4GBx2) DDR4 2666 MT/s (PC4-21300) CL19 x16 UDIMM 288-Pin Memory - CT2K4G4DFS6266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Color: Green
• Model #: CT2K4G4DFS6266

• $32^.88–
• Free Shipping

Crucial 16GB DDR4 2666MHz 288-pin DIMM Memory Module MTA18ASF2G72AZ2G6E2

• CAS Latency: 1.5
• ECC: ECC
• Color: Black
• LED Color: None
• Model #: MTA18ASF2G72AZ2G6E2

• $79.99
• $50^.55–
• Save: $29.44 (36%)
• Free Shipping

CORSAIR Vengeance LPX 16GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK16GX4M1A2666C16

• CAS Latency: 16
• Voltage: 1.20V
• Timing: 16-18-18-35
• Recommend Use: High Performance or Gaming Memory
• Model #: CMK16GX4M1A2666C16

• $37^.99–
• Free Shipping

Crucial 64GB (4 x 16GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DR DIMM (288-pin) CT4K16G4DFD8266

• CAS Latency: 19
• Voltage: 1.20V
• Multi-channel Kit: Quad Channel Kit
• Chipset: Major Brand Chipset
• Model #: CT4K16G4DFD8266

• $206^.00–
• Free Shipping

CORSAIR Vengeance LPX 64GB (2 x 32GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK64GX4M2A2666C16

• CAS Latency: 16
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 16-18-18-35
• Model #: CMK64GX4M2A2666C16

• $129.99
• See price in cart
• Free Shipping

Patriot 16GB DDR4 2666 (PC4 21300) Desktop Memory Model PSP416G26662H1

• CAS Latency: 19
• Voltage: 1.20V
• Timing: 19-19-19-43
• Buffered/Registered: Unbuffered
• Model #: PSP416G26662H1

• $39.99
• See price in cart(6 Offers)
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CORSAIR Vengeance LPX 32GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK32GX4M1A2666C16

• CAS Latency: 16
• Voltage: 1.20V
• Timing: 16-18-18-35
• Heat Spreader: Anodized Aluminum
• Model #: CMK32GX4M1A2666C16

• $67^.99–
• Free Shipping

G.SKILL Aegis 8GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-8GIS

• CAS Latency: 19
• Voltage: 1.20V
• Timing: 19-19-19-43
• Recommend Use: AMD X399 / TRX40 / X570 / X470 / B550 / B450 / B350Intel X99 / X299 / Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
• Model #: F4-2666C19S-8GIS

• $21.99
• $20^.99–
• Free Shipping

Crucial 32GB Kit (2 x 16GB) DDR4-2666 DIMM 288-Pin Memory Kit CT2K16G4DFD8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: CT2K16G4DFD8266 is a 32GB Kit consisting of (2) 16GB DDR4 desktop modules that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Unbuffered DIMM. It conforms to the industry standard DDR4 ECC UDIMM layout of 288 pins and is compatible with systems that take DDR4 2666 MT/s UDIMM memory.
• Model #: CT2K16G4DFD8266

• $137.99
• $79^.98–
• Save: $58.01 (42%)
• Free Shipping

Crucial 16GB (2 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V SR DIMM (288-pin) CT2K8G4DFS8266

• CAS Latency: 19
• Voltage: 1.20V
• Buffered/Registered: Unbuffered
• Features: CT2K8G4DFS8266 is a 16GB Kit consisting of (2) 8GB Single Ranked DDR4 desktop modules that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Unbuffered DIMM. It conforms to the industry standard DDR4 ECC UDIMM layout of 288 pins and is compatible with systems that take DDR4 2666 MT/s UDIMM memory.
• Model #: CT2K8G4DFS8266

• $44^.52–
• Free Shipping

G.SKILL Ripjaws V Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C15D-16GVR

• CAS Latency: 15
• Voltage: 1.20V
• Multi-channel Kit: Dual Channel Kit
• Timing: 15-15-15-35
• Model #: F4-2666C15D-16GVR

• $46^.38–
• Free Shipping

CORSAIR Vengeance RGB Pro 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMW32GX4M2A2666C16W

• CAS Latency: 16
• Voltage: 1.20V
• Timing: 16-18-18-35
• Recommend Use: AMD & Intel Compatible / AMD 300 Series / AMD 400 Series / AMD 500 Series / AMD TRX40 / Intel 300 Series / Intel 400 Series
• Model #: CMW32GX4M2A2666C16W

• $89^.99–
• Est. Shipping Fee $0.99

• Eligible for Free Shipping

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