Your Browsing History
- In Stock
- Sold by Newegg
- New
Any questions? Our AI beta will help you find out quickly.
Try me now
DDR4 Desktop RAM Memory Upgrades
Shop A-Tech
Results
Quick View
Kingston 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - KCP426NS8/8
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- LED Color: None
- Model #: KCP426NS8/8
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
Sponsored
More Results
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
- $230.99
- $209.99 –
- Save: $21.00 (9%)
- More options from $62.66 - $284.35
- Free Shipping
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
Sponsored
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
- $196.99 –
- Free Shipping
Quick View
Patriot 8GB DDR4 2666 (PC4 21300) Desktop Memory Model PSP48G266681H1
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Buffered/Registered: Unbuffered
- Model #: PSP48G266681H1
- $49.99
- See price in cart
- Free Shipping
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
- $70.95 –
- More options from $70.95 - $104.99
- Free Shipping
Quick View
G.SKILL Aegis 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19D-16GIS
- CAS Latency: CL19
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Timing: 19-19-19-43
- Model #: F4-2666C19D-16GIS
- $129.00 –
- More options from $23.99 - $129.00
- Free Shipping
Quick View
A-Tech 8GB (2x4GB) 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-0038
Sponsored
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
- $69.99
- See price in cart
- Free Shipping
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
- $229.00 –
- More options from $79.99 - $229.00
- Free Shipping
Quick View
A-Tech 8GB DDR4 2400MHz DIMM PC4-19200 UDIMM Non-ECC Unbuffered 1.2V CL17 288-Pin Desktop Computer RAM Memory Upgrade Module
- Voltage: 1.20V
- Recommend Use: AMD & Intel Compatible
- Buffered/Registered: Unbuffered
- Tested Frequency: 2400
- Model #: NE-SS-0027
Sponsored
Quick View
CORSAIR Vengeance LPX (AMD Ryzen Ready) 16GB (2 x 8GB) 288-Pin DDR4 2666 (PC4 21300) AMD Optimized Desktop Memory Model CMK16GX4M2Z2666C16
- CAS Latency: CL16
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-18-18-35
- Model #: CMK16GX4M2Z2666C16
- $149.00 –
- More options from $69.00 - $149.00
- Free Shipping
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
Sponsored
Quick View
KingBank Computer Desktop Memory Ram DDR4 16GB(2x8GB) 2666MHz CL19 1.2V with Heatsink for Desktop Computer High Performance Gaming Office
- CAS Latency: CL19
- Multi-channel Kit: Dual Channel Kit
- Timing: 19-19-19-43
- Recommend Use: AMD & Intel Compatible
- Model #: SLDDR48G2666*2
Quick View
OWC 32GB DDR4 2666 PC4-21300 CL19 2Rx8 VLP 288-pin 1.2V ECC Unbuffered DIMM Memory RAM Module Upgrade for Select Workstations, Servers, and NAS Systems
- CAS Latency: CL19
- Voltage: 1.2V
- Brand: OWC
- Capacity: 32GB
- Model #: OWC2E6V42R832GB-SF
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
Sponsored
Quick View
CORSAIR Vengeance LPX 32GB (4 x 8GB) DDR4 2666 (PC4 21300) C15 Memory Kit - Black Model CMK32GX4M4A2666C15
- Voltage: 1.20V
- Timing: 15-17-17-35
- Buffered/Registered: Unbuffered
- Heat Spreader: Anodized Aluminum
- Model #: CMK32GX4M4A2666C15
- $249.00 –
- More options from $99.00 - $249.00
- Free Shipping
Quick View
Rimlance 8GB (2X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8 Desktop Memory
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Parts: Lifetime warranty
- Model #: B0D7LMK56C
Quick View
A-Tech 16GB (2x8GB) DDR4 2400MHz DIMM PC4-19200 UDIMM Non-ECC Unbuffered 1.2V CL17 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-0040
Sponsored
Quick View
CORSAIR Vengeance LPX 16GB (2 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK16GX4M2A2666C16W
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- Buffered/Registered: Unbuffered
- Model #: CMK16GX4M2A2666C16W
- $129.00 –
- More options from $79.00 - $129.00
- Free Shipping
Quick View
CORSAIR Vengeance RGB Pro 16GB (2 x 8GB) 288-Pin DDR4 DRAM DDR4 2666 (PC4 21300) Desktop Memory Model CMW16GX4M2A2666C16
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- Recommend Use: AMD 300 Series / AMD 400 Series / Intel 300 Series / Intel 400 Series / AMD & Intel Compatible / AMD 500 Series / AMD TRX40
- Model #: CMW16GX4M2A2666C16
- $179.00 –
- More options from $89.00 - $179.00
- Free Shipping
Quick View
A-Tech 8GB 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-0028
Sponsored
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
- $284.02 –
- More options from $284.02 - $292.64
Quick View
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Color: Green
- Model #: CT2K4G4DFS6266
- $44.68 –
- Free Shipping
Quick View
CORSAIR Vengeance LPX 64GB (4 x 16GB) DDR4 2666 (PC4 21300) Desktop Memory Model CMK64GX4M4A2666C16W
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- ECC: Non-ECC
- Model #: CMK64GX4M4A2666C16W
- $449.00 –
- More options from $279.00 - $449.00
- Free Shipping
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
- $194.24 –
- More options from $89.90 - $202.89
Quick View
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
- $198.90 –
- More options from $157.89 - $199.00
- Free Shipping
Quick View
Patriot Signature Line 32GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model PSD432G26662
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Buffered/Registered: Unbuffered
- Model #: PSD432G26662
- $189.99 –
- More options from $95.44 - $189.99
- Free Shipping
Quick View
NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory Compatible with Hynix HMA81GU6CJR8N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MD21300-818K01-2518
Quick View
NEMIX RAM 4GB (1X4GB) DDR4 2666MHZ PC4-21300 1Rx6 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory Compatible with Hynix HMA851U6CJR6N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MD21300-416K01-2552
Quick View
Ballistix Sport LT 16GB Kit (8GBx2) DDR4 2666 MT/s (PC4-21300) DR x8 DIMM 288-Pin - BLS2K8G4D26BFSB (Gray)
- CAS Latency: CL16
- Voltage: 1.20V
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-18-18
- Model #: BLS2K8G4D26BFSB
- $106.76 –
- Free Shipping
Quick View
Timetec 16GB KIT(2x8GB) DDR4 3200MHz (or 2933MHz or 2666MHz) PC4-25600 CL22 1.2V Non-ECC Unbuffered 1Rx8 Single Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade
- CAS Latency: CL16
- Voltage: 1.35V
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-18-18-38
- Model #: MM-DR4/8G/3200
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
Quick View
Rimlance 64GB (2X32GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 2RX8
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300D8C2K64
Quick View
CORSAIR Vengeance LPX 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK8GX4M1A2666C16
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- Recommend Use: High Performance or Gaming Memory
- Model #: CMK8GX4M1A2666C16
- $79.00 –
- More options from $39.00 - $79.00
- Free Shipping
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
Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ME21300-328K1
- Model #: ME21300-328K01-G
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
- $189.00 –
- More options from $139.00 - $189.00
- Free Shipping
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
- $200.99 –
- Free Shipping
Quick View
G.SKILL Trident Z Royal Series 32GB (2 x 16GB) 288-Pin PC RAM DDR4 4266 (PC4 34100) Desktop Memory Model F4-4266C17D-32GTRGB
- CAS Latency: CL17
- Voltage: 1.50V
- Multi-channel Kit: Dual Channel Kit
- Timing: 17-18-18-38
- Model #: F4-4266C17D-32GTRGB
- $458.99 –
- More options from $458.99
- Free Shipping
Quick View
G.SKILL Trident Z Royal Elite Series 16GB (2 x 8GB) 288-Pin PC RAM DDR4 3600 (PC4 28800) Desktop Memory Model F4-3600C16D-16GTEGC
- CAS Latency: CL16
- Voltage: 1.35V
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-19-19-39
- Model #: F4-3600C16D-16GTEGC
- $299.00 –
- More options from $99.99 - $299.00
- Free Shipping
Quick View
G.SKILL Ripjaws V Series 32GB (2 x 16GB) 288-Pin PC RAM DDR4 3200 (PC4 25600) Desktop Memory Model F4-3200C16D-32GVK
- CAS Latency: CL16
- Voltage: 1.35V
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-18-18-38
- Model #: F4-3200C16D-32GVK
- $236.99 –
- More options from $72.88 - $329.82
- Free Shipping
Quick View
CORSAIR Vengeance LPX 32GB (2 x 16GB) 288-Pin PC RAM DDR4 4000 (PC4 32000) Desktop Memory Model CMK32GX4M2G4000C19
- CAS Latency: CL19
- Voltage: 1.35V
- Timing: 19-23-23-45
- Recommend Use: Intel Z490
- Model #: CMK32GX4M2G4000C19
- $329.00 –
- More options from $95.99 - $329.00
- Free Shipping