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
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
- $59.00 –
- 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
- $213.39 –
- More options from $213.39 - $355.39

Quick View
G.SKILL Aegis 8GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-8GIS
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Recommend Use: AMD X399 / TRX40 / X570 / X470 / B550 / B450 / B350 Intel X99 / X299 / Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
- Model #: F4-2666C19S-8GIS
- $75.00
- $72.00 –
- More options from $72.00 - $89.99
- Free Shipping

Quick View
Rimlance 32GB (1X32GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 2RX8
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300D8C32
- $170.00 –
- Free Shipping

Quick View
DATO 16GB (2x8GB) DDR4 3200MHz UDIMM desktop Memory RAM, PC4-25600, CL22, 1.2V, 288-Pin, Non-ECC
- CAS Latency: CL22
- Voltage: 1.2 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL22
- Model #: DT8GB4DU32X2
- $175.99
- $120.99 –
- Save: $55.00 (31%)
- Free Shipping
Sponsored

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
- $34.58 –
Sponsored

Quick View
NEMIX RAM 128GB (4X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with PowerEdge T150 Tower
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.35V
- Part Number: MD21300-328K4
- Model #: MD21300-328K4-DL-PET150
- $798.89 –
- Free Shipping

Quick View
Rimlance 16GB (2X8GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S6C2K16
- $98.00 –
- Free Shipping

Quick View
PUSKILL DDR4 32GB (2x16GB) 3200MHz PC RAM | CL16-18-18-42 | 1.35V | Desktop Memory Kit for Gaming and High-Performance Computing | Compatible with Intel & AMD
- CAS Latency: CL16
- Voltage: 1.35V
- Multi-channel Kit: Dual Channel Kit
- Timing: 11-11-11-36
- Model #: PSK-D4D16M3200B-16Gx2
- $225.99
- See price in cart
- More options from $180.45 - $183.99
- Free Shipping
Sponsored

Quick View
DATO 16GB (2x8GB) DDR4 3200MHz Gaming Desktop RAM, UDIMM, PC4-25600, CL16, 1.35V, 288-Pin, Non-ECC, Heatsink, Red
- CAS Latency: CL16
- Voltage: 1.35 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL16
- Model #: EA8GB4DU32RX2
- $182.99
- $105.99 –
- Save: $77.00 (42%)
- Free Shipping
Sponsored

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
- $85.66
- $67.31 –
- Save: $18.35 (21%)
- 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 –
- Free Shipping

Quick View
NEMIX RAM 128GB (4X32GB) 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: MD21300-328K4
- Model #: 0759170863570
- $798.89 –
- Free Shipping

Quick View
Timetec 64GB KIT(2x32GB) DDR4 3200MHz (or 2933MHz or 2666MHz) PC4-25600 Non-XMP CL22 1.2V Non-ECC Unbuffered 2Rx8 Dual Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade
- CAS Latency: CL22
- Timing: CL22-22-22-52
- Capacity: 64GB (2 x 32GB)
- Speed: DDR4 3200 (PC4 25600)
- Model #: 75TT32NU2R8-32GK2
- $449.99 –
- Free Shipping

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
- $39.92 –

Quick View
Rimlance 16GB (2X8GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8 Desktop Memory
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Parts: Lifetime warranty
- Model #: B0D7CPKCQ4
- $83.99 –
- 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
- $140.45
- See price in cart
- More options from $121.99 - $123.45
- Free Shipping
Sponsored

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
- $426.78 –
Sponsored

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

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

Quick View
DATO 32GB (2x16GB) DDR4 3200MHz Gaming Desktop RAM, UDIMM, PC4-25600, CL16, 1.35V, 288-Pin, Non-ECC, Heatsink, black
- CAS Latency: CL16
- Voltage: 1.35 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL16
- Model #: EA16G4DU32KX2
- $296.99 –
- Free Shipping
Sponsored

Quick View
A-Tech 32GB (2x16GB) DDR4 2666MHz DIMM PC4-21300 UDIMM Non-ECC Unbuffered CL19 1.2V 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-0045
- $215.09 –
Sponsored

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
- $58.69 –

Quick View
Rimlance 8GB (2X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8
- CAS Latency: CL19
- Multi-channel Kit: Dual Channel Kit
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S8C2K8
- $52.00 –
- Free Shipping

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
- $335.00 –
- Free Shipping

Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL22
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD25600S6C8
- $52.00 –
- Free Shipping

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

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
- $62.30 –

Quick View
DATO 16GB DDR4 3200MHz UDIMM Desktop Memory RAM, PC4-25600, CL22, 1.2V, 288-Pin, Non-ECC
- CAS Latency: CL22
- Voltage: 1.2 volts
- Timing: CL22
- Brand: DATO
- Model #: DT16G4DLDND32-FBA
- $173.99
- $101.99 –
- Save: $72.00 (41%)
- Free Shipping
Sponsored

Quick View
DATO 16GB (2x8GB) DDR4 3200MHz Gaming Desktop RAM, UDIMM, PC4-25600, CL16, 1.35V, 288-Pin, Non-ECC, Heatsink, black
- CAS Latency: CL16
- Voltage: 1.35 volts
- Multi-channel Kit: Dual Channel Kit
- Timing: CL16
- Model #: EA8GB4DU32KX2
- $182.99
- $107.99 –
- Save: $75.00 (40%)
- Free Shipping
Sponsored

Quick View
G.SKILL Aegis 16GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-16GIS
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Recommend Use: AMD X399 / TRX40 / X570 / X470 / X370 / B550 / B450 / B350 Intel X299 / Z790 DDR4 / Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
- Model #: F4-2666C19S-16GIS
- $149.00 –
- Free Shipping

Quick View
Rimlance 16GB (1X16GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 2RX8
- CAS Latency: CL19
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300D8C16
- $89.00 –
- Free Shipping

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
- $117.38 –
Sponsored

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
- $107.54 –
Sponsored

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

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
- $58.69 –

Quick View
2Pcs Hynix HMA81GU6CJR8N-VK PC4-21300 8GB DDR4 2666Mhz 1Rx8 PC4-2666V CL19 1.20V Non-ECC Unbuffered 288pin DIMM Memory module For Desktop
- Model #: HMA81GU6CJR8N-VK
- $118.00 –
- More options from $118.00 - $122.80
- Free Shipping

Quick View
8GB RAM Replacement for Crucial CT8G4DFD8266 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772481190
- $62.30 –

Quick View
MemoryMasters 8GB DDR4 PC4-21300, 2666MHZ, 288 PIN DIMM, 1.2V, CL 19 Desktop Ram Memory Module
- CAS Latency: CL19
- Model #: M-M-2013 B07F72RJYN
- $64.99 –
- Free Shipping

Quick View
Patriot Viper Elite II 8GB 288-Pin PC RAM DDR4 2666 (PC4 21300) Desktop Memory Model PVE248G266C6
- CAS Latency: CL16
- Voltage: 1.20V
- Timing: 16-17-17-36
- Buffered/Registered: Unbuffered
- Model #: PVE248G266C6
- $108.70 –
- Free Shipping

Quick View
32GB RAM Replacement for Crucial CT2K32G4DFD8266, CT32G4DFD8266 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772480902
- $213.39 –

Quick View
Crucial 16GB DDR4 RAM, 3200MHz (PC4-25600) CL22 Desktop Memory, UDIMM 288-Pin, Downclockable to 2933/2666MHz, Compatible with Intel and AMD Ryzen - CT16G4DFRA32A
- Model #: 9435761154128
- $183.99 –
- $5.99 Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory Compatible with Hynix HMA82GU6AFR8N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MD21300-628K01-2509
- $119.99 –
- Free Shipping

Quick View
Crucial 8GB Single DDR4 2666 MT/s (PC4-21300) SR x8 DIMM 288-Pin Memory - CT8G4DFS8266
- Model #: 906173089869
- $58.69 –

Quick View
Refurbished Crucial 8GB DDR4-2666(PC4-21300) UDIMM CL-19 1.2V Unbuffered Non-ECC288-PIN Desktop Memory - CT8G4DFRA266
- CAS Latency: CL19
- Capacity: 8GB
- Speed: DDR4 2666 (PC4 21300)
- Color: Green
- Model #: CT8G4DFRA266.M8FR
- $350.00 –
- Free Shipping

Quick View
PUSKILL 16GB Kit (2x8GB) DDR4 RAM 2666MHz PC4-21300 Desktop Memory with Aluminum Heatsink, Non-ECC Unbuffered UDIMM 1.2V CL19 288-Pin, Dual Channel PC Computer Upgrade Module for Intel & AMD
- CAS Latency: CL19
- Timing: 19-19-19-43
- Brand: PUSKILL
- Capacity: 16GB (2 x 8GB)
- Model #: PSK-D4D19M2666BH-8G
- $120.75
- See price in cart
- More options from $109.45 - $114.55
- Free Shipping

Quick View
PUSKILL DDR4 8GB 2666MHz PC RAM | CL19-19-19-43 | 1.2V | Desktop Memory for Gaming and High-Performance Computing | Compatible with Intel & AMD
- CAS Latency: CL19
- Timing: 19-19-19-43
- Brand: PUSKILL
- Chipset: Samsung, Hynix, Micron
- Model #: PSK-D4D19M2666B-8G
- $80.75
- See price in cart
- More options from $57.45 - $60.55
- Free Shipping

Quick View
PUSKILL DDR4 16GB 2666MHz PC RAM | CL19-19-19-43 | 1.2V | Desktop Memory for Gaming and High-Performance Computing | Compatible with Intel & AMD
- CAS Latency: CL19
- Timing: 19-19-19-43
- Brand: PUSKILL
- Chipset: Original particles
- Model #: PSK-D4D19M2666B-16G
- $140.99
- See price in cart
- More options from $93.45 - $100.55
- Free Shipping










