Your Browsing History
- In Stock
- Sold by Newegg
- New
Any questions? Our AI mode will help you find out quickly.
Try me now

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

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
- $229.99 –
- More options from $209.99 - $275.60
- Free Shipping

Quick View
Total Micro 32GB DDR4 SDRAM Memory Module - 32 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - ECC - Registered - 288-pin - DIMM
- ECC: ECC
- BIOS/Performance Profile: Intel XMP 2.0
- Model #: A9781929-TM
- $386.99 –
- More options from $105.13 - $419.30
- Free Shipping

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
- Voltage: 1.20V
- Color: Black PCB
- Model #: MM-DR4/16G/2666
- $91.99
- $89.99 –
- Free Shipping
Sponsored

Quick View
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
- Voltage: 1.20V
- Color: Black PCB
- Model #: MM-DR4/16G/2666
- $187.99 –
- Free Shipping
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
- $309.99 –
- Free Shipping

Quick View
in 30 days
Patriot Signature 16GB DDR4 2666MHz PC4-21300 CL19 Memory Module (PSD416G26662)- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Buffered/Registered: Unbuffered
- Model #: PSD416G26662
- $106.99
- See price in cart
- Free Shipping

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
- $109.99 –
- Free Shipping

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
- $191.99 –
- Free Shipping

Quick View
PUSKILL 32GB Kit (2x16GB) DDR4 RGB RAM 3200MHz PC4-25600 Desktop Memory with Aluminum Heatsink, Non-ECC Unbuffered UDIMM 1.35V CL16 288-Pin
- CAS Latency: 16
- Multi-channel Kit: Dual Channel Kit
- Timing: 16-18-18-36
- Brand: PUSKILL
- Model #: PSK-D4D16M3200BR-16G
Sponsored

Quick View
Timetec 8GB DDR4 2666MHz (PC4-2666V) PC4-21300 UDIMM Desktop RAM 288-Pin 1.2V CL19 Non-ECC Unbuffered DIMM Memory Module Upgrade
- Voltage: 1.20V
- Color: Black PCB
- Model #: MR-G8GD426U2E
- $52.99 –
- Free Shipping

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
- $97.99 –
- Free Shipping

Quick View
DATO 32GB (2x16GB) DDR4 3200MHz Gaming Desktop RAM, UDIMM, PC4-25600, CL16, 1.35V, 288-Pin, Non-ECC, Heatsink, white
- CAS Latency: CL16
- Voltage: 1.35 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL16
- Model #: EA16G4DU32WX2
- $296.99
- $189.99 –
- Save: $107.00 (36%)
- Free Shipping
Sponsored

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
- $133.99 –
- Free Shipping

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

Quick View
PUSKILL 16GB Kit (2x8GB) DDR4 RGB RAM 3200MHz PC4-25600 Desktop Memory with Aluminum Heatsink, Non-ECC Unbuffered UDIMM 1.35V CL16 288-Pin, High Performance Gaming PC Upgrade for Intel & AMD
- CAS Latency: 16
- Multi-channel Kit: Dual Channel Kit
- Brand: PUSKILL
- Chipset: Samsung, Hynix, Micron
- Model #: PSK-D4D16M3200BR-8G
Sponsored

Quick View
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
- Voltage: 1.20V
- Color: Black PCB
- Model #: MM-DR4/16G/2666
- $187.99 –
- 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
- $258.99 –
- Free Shipping

Quick View
Timetec Pinnacle Konduit 32GB KIT(4x8GB) DDR4 3200MHz PC4-25600 CL16-18-18-38 1.35V Compatible for AMD and Intel Desktop Gaming PC Memory Module RAM - White
- Color: White
- Model #: PKMD4U32C16CNHW8GK4
- $228.99 –
- Free Shipping
Sponsored

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
- $118.76 –
- Free Shipping

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
- $232.89 –
- More options from $232.89
- Free Shipping

Quick View
DATO 32GB DDR4 3200MHz UDIMM desktop RAM, PC4-25600, CL22, 1.2V, 288-Pin, Non-ECC
- CAS Latency: CL22
- Voltage: 1.2 volts
- Timing: CL22
- Brand: DATO
- Model #: DT32G4DLDND32
- $290.99
- $220.99 –
- Save: $70.00 (24%)
- Free Shipping
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
- $109.00 –
- Free Shipping

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
- $99.00 –
- More options from $99.00 - $111.16
- Free Shipping

Quick View
DATO 16GB (2x8GB) DDR4 3200MHz Gaming Desktop RAM, UDIMM, PC4-25600, CL16, 1.35V, 288-Pin, Non-ECC, Heatsink, white
- CAS Latency: CL16
- Voltage: 1.35 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL16
- Model #: EA8GB4DU32WX2
- $182.99
- $118.99 –
- Save: $64.00 (34%)
- Free Shipping
Sponsored

Quick View
CORSAIR Vengeance LPX 32GB (4 x 8GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK32GX4M4A2666C16
- CAS Latency: CL16
- Voltage: 1.20V
- Multi-channel Kit: Quad Channel Kit
- Timing: 16-18-18-35
- Model #: CMK32GX4M4A2666C16
- $189.00 –
- More options from $179.95 - $189.00
- Free Shipping

Quick View
Kingston ValueRAM 16GB (1 x 16GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19D8/16
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Color: N/A
- Model #: KVR26N19D8/16
- $129.99 –
- More options from $129.99 - $174.99
- Free Shipping

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
- $93.99 –
- Free Shipping

Quick View
CORSAIR Vengeance LPX 32GB (2 x 16GB) DDR4 2666 (PC4 21300) Desktop Memory Model CMK32GX4M2A2666C16W
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- Heat Spreader: Anodized Aluminum
- Model #: CMK32GX4M2A2666C16W
- $199.00 –
- 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
- $205.00 –
- More options from $197.00 - $290.50
- Free Shipping

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
- $189.00 –
- 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
- $409.00 –
- Free Shipping

Quick View
Micron CT16G4DFD8266 16GB DDR4 2666 MTs 288pin
- CAS Latency: CL19
- Color: Green
- LED Color: None
- Model #: MI#CT16G4DFD8266
- $119.00 –
- 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
- $48.00 –
- Free Shipping

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
- $58.68 –
- More options from $58.68 - $198.90
- Free Shipping

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
- Voltage: 1.20V
- Color: Black PCB
- Model #: MM-DR4/16G/2666
- $91.99
- $89.99 –
- Free Shipping

Quick View
OWC 16GB (2x8GB) DDR4 2666MHz PC4-21300 CL19 1RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM
- CAS Latency: CL19
- Voltage: 1.2V
- Multi-channel Kit: Dual Channel Kit
- Recommend Use: Workstations, Servers, and NAS Systems
- Model #: OWC2E6D41R8016P
- $149.83 –

Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S6C8
- $52.00 –
- Free Shipping

Quick View
Rimlance 4GB (1X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S8C4
- $29.99 –
- Free Shipping

Quick View
Crucial 32GB (2 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CT2K16G4DFRA266
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19
- Buffered/Registered: Unbuffered
- Model #: CT2K16G4DFRA266
- $199.00 –
- More options from $199.00 - $218.00
- Free Shipping

Quick View
CORSAIR Vengeance LPX 64GB (4 x 16GB) 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model CMK64GX4M4A2666C16
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-18-18-35
- Chipset: AMD X399 Compatible
- Model #: CMK64GX4M4A2666C16
- $409.00 –
- More options from $399.95 - $409.00
- 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 Supermicro MEM-DR480LB-UN26
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MEM-DR480LB-UN26
- $59.99 –
- Free Shipping

Quick View
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory Compatible with Hynix HMAA4GU6AJR8N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MD21300-328K01-2435
- $199.99 –
- Free Shipping

Quick View
Rimlance 32GB (2X16GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 2RX8
- CAS Latency: CL19
- Multi-channel Kit: Dual Channel Kit
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300D8C2K32
- $185.00 –
- Free Shipping

Quick View
NEMIX RAM 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: MD21300-328K2
- Model #: 0759170863563
- $399.89 –
- Free Shipping










