Skip to main content
Take a tax holiday. Take advantage of limited-time, tax-free savings on select products in certain states. Learn More>
  • Sold by Newegg
  • New
Department
Show More
Brands
Show More
Price
Show More
Sold by
All Top Brands
Condition
Total Capacity
Show More
Useful Links
Customer Ratings
avatar

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

Sort By:
View:
Sorry, no products were found matching "generic 2666mhz 4gb"
Browse Related Items
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
  •  
  • $309.99 
  • Free Shipping
G.SKILL Ripjaws Series 32GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19S-32GRS
Quick View
G.SKILL Ripjaws Series 32GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19S-32GRS
  • CAS Latency: CL19
  • Timing: 19-19-19-43
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: F4-2666C19S-32GRS
  •  
  • $249.99 
  • Free Shipping
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
  • $99.99
  •  
  • $98.99 
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
Patriot Memory Signature Line 8GB (1x8GB) DDR4 2666MHz (PC4-21300) UDIMM Memory Module 1.2V - PSD48G266681
Quick View
in 30 days
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
Patriot Memory Signature 16GB DDR4 2666 (PC4 21300) CL19 1.2V 260-Pin SODIMM Memory Module - PSD416G266681S
Quick View
Patriot Memory Signature 16GB DDR4 2666 (PC4 21300) CL19 1.2V 260-Pin SODIMM Memory Module - PSD416G266681S
  • CAS Latency: CL19
  • Timing: 19-19-19-43
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: PSD416G266681S
Patriot 16GB 288-Pin PC RAM DDR5 5600 (PC5 44800) Desktop Memory Model PVVR516G56C36
Quick View
Patriot 16GB 288-Pin PC RAM DDR5 5600 (PC5 44800) Desktop Memory Model PVVR516G56C36
  • CAS Latency: CL36
  • Voltage: 1.10V
  • Brand: Patriot
  • Capacity: 16GB
  • Model #: PVVR516G56C36
G.SKILL Ripjaws Series 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19D-32GRS
Quick View
G.SKILL Ripjaws Series 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19D-32GRS
  • CAS Latency: CL19
  • Timing: 19-19-19-43
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: F4-2666C19D-32GRS
G.SKILL Ripjaws Series 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19S-8GRS
Quick View
G.SKILL Ripjaws Series 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19S-8GRS
  • CAS Latency: CL19
  • Timing: 19-19-19-43
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: F4-2666C19S-8GRS
Micron/Crucial 16GB (1 x 16GB) PC4-2666V 2RX4 CL19 1.2V ECC DDR4 Memory CT16G4RFD4266 (MTA36ASF2G72PZ-2G6E1) 1
Quick View
Micron/Crucial 16GB (1 x 16GB) PC4-2666V 2RX4 CL19 1.2V ECC DDR4 Memory CT16G4RFD4266 (MTA36ASF2G72PZ-2G6E1) 1
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Quad Channel Kit
  • Model #: CT16G4RFD4266
G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-16GVR
Quick View
G.SKILL Ripjaws V Series 16GB (2 x 8GB) DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-16GVR
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Timing: 19-19-19-43
  • Model #: F4-2666C19D-16GVR
  •  
  • $169.00 
  • Free Shipping
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
Crucial 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model CT8G4SFRA266
Quick View
Crucial 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model CT8G4SFRA266
  • CAS Latency: CL19
  • Timing: 19-19-19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: CT8G4SFRA266
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
  • $95.99
  •  
  • $90.99 
  • Save: $5.00 (5%)
  • Free Shipping
Direct from Timetec Direct from Timetec
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN Non-ECC SODIMM Compatible with QNAP NAS RAM-16GDR4K1-SO-2666
Quick View
  •  
  • $92.99 
Direct from NEMIX RAM Direct from NEMIX RAM
Samsung 32GB DDR4-2666 PC4-21300 RDIMM 1.2V 288-pin ECC Registered Memory RAM
Quick View
RIMLANCE Ram 16GB DDR4-2666 (PC4-21300) 288-Pin desktop memory
Quick View
RIMLANCE Ram 16GB DDR4-2666 (PC4-21300) 288-Pin desktop memory
  • CAS Latency: CL19
  • Chipset: Major Brand Chipset
  • Buffered/Registered: Unbuffered
  • Parts: Lifetime warranty
  • Model #: RLMUD-21300-16-28-0702
  •  
  • $82.00 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
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
  • $51.99
  •  
  • $50.99 
  • Free Shipping
Direct from Timetec Direct from Timetec
Micron MTA8ATF1G64AZ-2G6E1 DDR4 8G 1RX8 PC4-2666V-UA2-11 For Desktop memory
Quick View
Micron MTA8ATF1G64AZ-2G6E1 DDR4 8G 1RX8 PC4-2666V-UA2-11 For Desktop memory
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Model #: MTA8ATF1G64AZ-2G6E1
  • $59.89
  •  
  • $58.69 
Crucial 32GB DDR4 2666 (PC4 21300) Unbuffered Laptop Memory for Mac Model CT32G4S266M
Quick View
Crucial
Crucial 32GB DDR4 2666 (PC4 21300) Unbuffered Laptop Memory for Mac Model CT32G4S266M
  • Type: 260-Pin DDR4 SO-DIMM
  • CAS Latency: 19
  • Voltage: 1.2V
  • Model #: CT32G4S266M
  •  
  • $183.83 
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K8G4DFRA266
Quick View
  •  
  • $166.99 
  • $5.99 Shipping
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
  •  
  • $85.99 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
Crucial 32GB Kit (2 x 16GB) DDR4-2666 DIMM 288-Pin Memory Kit CT2K16G4DFD8266
Quick View
in 30 days
Crucial 32GB Kit (2 x 16GB) DDR4-2666 DIMM 288-Pin Memory Kit CT2K16G4DFD8266
  • CAS Latency: CL19
  • 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
G.SKILL Ripjaws V Series 32GB (2 x 16GB) DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GVR
Quick View
G.SKILL Ripjaws V Series 32GB (2 x 16GB) DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-32GVR
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Timing: 19-19-19-43
  • Model #: F4-2666C19D-32GVR
Crucial 64GB Kit (32GBx2) DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT2K32G4DFD8266
Quick View
Crucial 64GB Kit (32GBx2) DDR4 2666 MT/s CL19 DIMM 288-Pin Memory - CT2K32G4DFD8266
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Dual Channel Kit
  • Buffered/Registered: Unbuffered
  • Model #: CT2K32G4DFD8266
  •  
  • $459.00 
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
G.SKILL Value Series 8GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-8GNT
Quick View
G.SKILL Value Series 8GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-8GNT
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Timing: 19-19-19-43
  • Recommend Use: AMD X570 / X470 / B550 / B450 Intel Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
  • Model #: F4-2666C19S-8GNT
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM Laptop Memory Compatible with QNAP RAM-8GDR4T0-SO-2666
Quick View
  •  
  • $56.99 
Direct from NEMIX RAM Direct from NEMIX RAM
NEMIX RAM 32GB (1X32GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC Unbuffered SODIMM Laptop Memory Compatible with QNAP RAM-32GDR4T0-SO-2666
Quick View
  •  
  • $214.99 
Direct from NEMIX RAM Direct from NEMIX RAM
Timetec Pinnacle 16GB DDR4 3200MHz (or 2933MHz or 2666MHz) PC4-25600 Non-ECC Unbuffered 1.2V CL22 2Rx8 Dual Rank 260 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade
Quick View
  •  
  • $93.99 
  • Free Shipping
Available Direct from Timetec Available Direct from Timetec
NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN ECC Unbuffered SODIMM Compatible with QNAP NAS RAM-8GDR4ECT0-SO-2666
Quick View
  •  
  • $74.99 
Direct from NEMIX RAM Direct from NEMIX RAM
QNAP 4GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Memory, T1 Version Model RAM-4GDR4T1-SO-2666
Quick View
  •  
  • $350.85 
  • Free Shipping