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DDR4 Desktop RAM Memory Upgrades
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Black Diamond Memory 32GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Notebook Memory Model BD32G2666MQN28
- CAS Latency: CL19
- 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 #: BD32G2666MQN28
- $232.99 –
- Free Shipping

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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

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CT16G4DFS8266 Crucial 16GB DDR4-2666(PC4-21300) UDIMM •1.2V •2666MT/s • CL-19 •Single Ranked •x8 based •Unbuffered •NON-ECC •288-PIN Desktop Memory
- CAS Latency: CL19
- Color: Green
- LED Color: None
- Model #: HJ-CT16G4DFS8266
- $109.00 –

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Rimlance 8GB (2X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL19
- Multi-channel Kit: Dual Channel Kit
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S6C2K8
- $54.00 –
- Free Shipping

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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 –
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A-Tech 16GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 1.2V 288-Pin Desktop Computer RAM Memory Upgrade Module
- Voltage: 1.20V
- Recommend Use: AMD & Intel Compatible
- Buffered/Registered: Unbuffered
- Tested Frequency: 3200
- Model #: NE-SS-0033
- $126.75 –
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16GB RAM Replacement for Crucial CT16G4DFRA266.C8FE, CB16GU2666 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chipset
- Recommend Use: Compatible Replacement for Crucial CT16G4DFRA266.C8FE, CB16GU2666
- Model #: NE-PNR-1636
- $109.34 –

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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

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A-Tech 32GB (2x16GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 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-0046
- $253.48 –
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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 –
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16GB RAM Replacement for Crucial BLS2K16G4D26BFSC, CT2K16G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772480711
- $109.34 –

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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

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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

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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 –

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

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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

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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
- $58.57 –
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A-Tech 32GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 2Rx8 1.2V 288-Pin Dual Rank Desktop Computer PC RAM Memory Upgrade Module
- Voltage: 1.20V
- Recommend Use: AMD & Intel Compatible
- Buffered/Registered: Unbuffered
- Tested Frequency: 3200
- Model #: NE-SS-0035
- $223.09 –
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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

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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

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A-Tech 16GB (2x8GB) DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC Unbuffered CL22 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-0042
- $138.21 –
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A-Tech 4GB 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-0024
- $34.58 –
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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 –

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A-Tech 256GB (8x32GB) 2Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x4 Server & Workstation RAM Memory Upgrade Kit
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: AT32G8D4D2666RD4N12V
- $1,697.65 –

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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

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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
- $429.99 –

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OWC 16GB 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: 16GB
- Model #: OWC2E6V42R816GB-SF
- $199.99 –

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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

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A-Tech 32GB (2x16GB) DDR4 2400MHz DIMM PC4-19200 UDIMM Non-ECC Unbuffered 2Rx8 1.2V CL17 288-Pin Dual Rank 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-0044
- $207.92 –
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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
- $112.40 –
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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
- $51.99 –
- More options from $51.99 - $58.69
- Free Shipping

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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 –

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A-Tech 16GB (2x8GB) DDR4 2133MHz DIMM PC4-17000 UDIMM Non-ECC Unbuffered 1.2V CL15 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-0039
- $112.40 –
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A-Tech 32GB (2x16GB) DDR4 2133MHz DIMM PC4-17000 UDIMM Non-ECC Unbuffered 2Rx8 1.2V CL15 288-Pin Dual Rank 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-0043
- $207.92 –
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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

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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 –

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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

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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

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G.SKILL Ripjaws Series 16GB (2 x 8GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model F4-2666C19D-16GRS
- CAS Latency: CL19
- Timing: 19-19-19-43
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: F4-2666C19D-16GRS
- $203.14 –
- More options from $203.14 - $209.91

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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

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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

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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
- $390.81 –
- More options from $390.81 - $405.06

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OLOy DDR4 RAM 16GB (2x8GB) 2666 MHz CL19 1.2V 288-Pin Desktop UDIMM (MD4U0826190BB1DA)
- Model #: 118107840617
- $143.99 –

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G.SKILL Ripjaws V Series 8GB DDR4 2666 (PC4 21300) Desktop Memory Model F4-2666C19S-8GVR
- CAS Latency: CL19
- Voltage: 1.20V
- Timing: 19-19-19-43
- Recommend Use: AMD X570 / X470 / B550 / B450 Intel Z690 DDR4 / Z590 / Z490 / Z390 / Z370 / Z270 / Z170
- Model #: F4-2666C19S-8GVR
- $139.00 –
- Free Shipping

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Crucial 16GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model CT16G4SFS8266
- CAS Latency: CL19
- Timing: 19-19-19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: CT16G4SFS8266
- $101.54 –
- More options from $101.54 - $129.99

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16GB RAM Replacement for Crucial CT16G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772480728
- $109.34 –

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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

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8GB RAM Replacement for Crucial CT2K8G4DFRA266 | DDR4 2666MHz PC4-21300 DIMM Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chips
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772481176
- $62.30 –






