Your Browsing History
- In Stock
- Sold by Newegg
- New

DDR4 Desktop RAM Memory Upgrades
Shop A-Tech

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

Quick View
Black Diamond Memory 16GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model BD16G2666MQN25
- CAS Latency: CL19
- Voltage: 1.20V
- 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 #: BD16G2666MQN25
- $153.49
- $140.99 –
- Save: $12.50 (8%)
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology RackStation RS1221+/RS1221RP+
- Voltage: 1.20V
- Compatible System: Synology
- CAS Latency: CL19
- Part Number: MSE21300-628K1
- Model #: MSE21300-628K1-SYN-RS1221
- $157.26 –

Quick View
4GB RAM Replacement for Hynix HMA851U6JJR6N-VK | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major Brand Chipset
- Recommend Use: Compatible Replacement for Hynix HMA851U6JJR6N-VK
- Model #: NE-PNR-1824
- $34.58 –

Quick View
SAMSUNG 16G 260pin DDR4 SO-DIMM 2Rx8 DDR4 2666MHz (PC4 21300) 1.2V CL19 Laptop Ram Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: M471A2K43CB1-CTD
- $119.95 –
- More options from $118.37 - $120.63

Quick View
32GB RAM Replacement for HP L60453-001, M04379-001 | DDR4 2666MHz PC4-21300 SODIMM Laptop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Features: L60453-001, M04379-001
- Model #: NE-PNR-1805
- $183.83 –

Quick View
32GB RAM Replacement for Samsung M393A4K40BB2-CTD, M393A4K40CB2-CTD, M393A4K40DB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772477551
- $158.15 –

Quick View
Rimlance 64GB (2X32GB) 1.2V DDR4 2666MHZ PC4-21300 SODIMM 2RX8
- CAS Latency: CL19
- Buffered/Registered: Unbuffered
- Multi-channel Kit: Dual Channel Kit
- Parts: Lifetime warranty
- Model #: RSO21300D8C2K64
- $299.00 –
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN ECC Unbuffered SODIMM Workstation Memory Compatible with Supermicro MEM-DR416L-CL01-ES26
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: MSE21300-628K1
- Model #: MSE21300-628K01-427
- $157.26 –
- Free Shipping

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
- $58.69 –

Quick View
16GB RAM Replacement for Kingston KSM26ED8/16HD, KSM26ED8/16MR, KTD-PE426E/16G, KTH-PL426E/16G, KTL-TS426E/16G | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772488113
- $189.99 –

Quick View
8GB RAM Replacement for Crucial CT8G4S266M, CT8G4SFRA266.C8 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Features: CT8G4S266M, CT8G4SFRA266.C8
- Model #: NE-PNR-1626
- $61.40 –

Quick View
A-Tech 16GB 2Rx8 PC4-21300 DDR4 2666 ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server RAM Memory Module
- CAS Latency: CL19
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: AT16G1D4D2666UD8N12V
- $159.99 –

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology D4ECSO-2666-16G
- Voltage: 1.20V
- Compatible System: Synology
- CAS Latency: CL19
- Part Number: MSE21300-628K1
- Model #: MSE21300-628K1-SYN-D4ECSO-2666-16G
- $157.26 –

Quick View
SK Hynix 8GB DDR4-21300 SODIMM PC4-2666V-SA1-11 Laptop RAM Memory Stick Module HMA81GSJJR8N-VK
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Model #: HMA81GSJJR8N-VK

Quick View
A-Tech 32GB (4x8GB) 1Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Multi-channel Kit: Quad Channel Kit
- Model #: AT8G4D4D2666RS8N12V
- $285.95 –
- 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
- $155.00 –
- Free Shipping

Quick View
NEMIX RAM 128GB (8X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge R740xd2 Rack Server
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.35V
- Part Number: MR21300-628K8
- Model #: MR21300-628K8-PER740XD2
- $1,070.49 –

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
- $155.00 –
- Free Shipping

Quick View
A-Tech 4GB DDR4 2666 MHz ECC SODIMM PC4-21300 ECC Unbuffered SO-DIMM 260-Pin 1.2V 1Rx8 Single Rank RAM Memory Upgrade Module for Microservers, Mobile Workstations, and NAS Servers
- CAS Latency: CL19
- Voltage: 1.20V
- ECC: Yes
- Buffered/Registered: Unbuffered
- Model #: NE-SS-1627
- $33.75 –
- Free Shipping

Quick View
Timetec 64GB KIT(4x16GB) Compatible for Apple DDR4 2666MHz for Mid 2020 iMac (20,1/20,2) / Mid 2019 iMac (19,1) 27-inch w/Retina 5K Display PC4-21333 / PC4-21300 CL19 SODIMM Memory MAC RAM Upgrade
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Recommend Use: For Apple System
- Model #: MR-H16D426S7E
- $392.99 –
- Free Shipping

Quick View
NEMIX RAM 16GB (2X8GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN ECC SODIMM KIT
- Brand: NEMIX RAM
- Series: NEMIX RAM DDR4 Orignial Series 260-Pin ECC Unbuffered SODIMM Memory
- Capacity: 16GB (2 x 8GB)
- Type: 260-Pin DDR4 SO-DIMM
- Model #: 0759170864928
- $149.89 –
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC RDIMM Registered Server Memory Compatible with Supermicro MEM-DR416L-CL07-ER26 Registered Server Memory
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: MR21300-628K1
- Model #: MR21300-628K01-410
- $134.95 –
- Free Shipping

Quick View
A-Tech 128GB Kit (4x32GB) RAM for Apple iMac (2019, 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 2Rx8
- Parts: Lifetime
- Model #: NE-MAC-0074
- $774.02 –

Quick View
Micron MTA18ASF2G72HZ-2G6E1 16GB DDR4-2666 ECC SODIMM
- Type: 260-Pin DDR4 SO-DIMM
- Model #: MTA18ASF2G72HZ-2G6E1
- $191.49 –
- More options from $191.49 - $229.00
- Free Shipping

Quick View
Micron 32GB ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MTA36ASF4G72PZ-2G6E1
- CAS Latency: CL19
- Timing: 19-19-19
- Type: 288-Pin DDR4 SDRAM
- Rank: Dual-rank
- Model #: MTA36ASF4G72PZ-2G6E1
- $152.50 –

Quick View
Supermicro Certified MEM-DR412LF-LR26 | Micron MTA144ASQ16G72LSZ-2S6E1 | 128GB PC4-21300 DDR4 2666MHz 2S4Rx4 (8Rx4) 3DS/TSV Octal Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
- Chipset: Micron Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S4Rx4 (8Rx4)
- Model #: MEM-DR412LF-LR26
- $819.82 –

Quick View
Black Diamond Memory 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Notebook Memory Model BD16GX22666MQN25
- 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 #: BD16GX22666MQN25
- $266.99 –
- Free Shipping

Quick View
8GB RAM Replacement for Micron MTA8ATF1G64HZ-2G6B1, MTA8ATF1G64HZ-2G6E3, MTA8ATF1G64HZ-2G6J1 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Features: MTA8ATF1G64HZ-2G6B1, MTA8ATF1G64HZ-2G6E3, MTA8ATF1G64HZ-2G6J1
- Model #: NE-PNR-2042
- $61.40 –

Quick View
Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - KCP426ND8/16
- CAS Latency: CL19
- Voltage: 1.20V
- Brand: Kingston
- Capacity: 16GB
- Model #: KCP426ND8/16
- $102.42 –
- More options from $94.31 - $273.44

Quick View
NEMIX RAM 64GB (1X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V 288-PIN ECC LRDIMM Load Reduced Server Memory Compatible with ASUS KNPA-U16 EPYC 7000 Series Motherboard
- Chipset: Major OEM Samsung, Micron, Hynix
- CAS Latency: CL19
- Voltage: 1.20V
- Part Number: ML21300-944K1
- Model #: ML21300-944K01-ASU
- $298.88 –
- Free Shipping

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN Non-ECC SODIMM Compatible with QNAP NAS RAM-16GDR4K1-SO-2666
- Model #: MS21300-628K1-QN-RAM-16GDR4K1-SO-2666
- $92.99 –

Quick View
A-Tech 64GB Kit (4x16GB) RAM for Apple iMac (2019, 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 2Rx8
- Parts: Lifetime
- Model #: NE-MAC-0064
- $427.54 –

Quick View
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 260-PIN Non-ECC SODIMM Compatible with Dell SNPCRXJ6C/16G AA075845 Laptop PC Memory
- Brand: NEMIX RAM
- Series: NEMIX RAM DDR4 Orignial Series 260-Pin NON-ECC Unbuffered SODIMM Memory
- Capacity: 16GB
- Type: 260-Pin DDR4 SO-DIMM
- Model #: MS21300-628K01-1353
- $92.99 –
- Free Shipping










