Your Browsing History
- In Stock
- Sold by Newegg
- AI Ready
- Make an Offer
- 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
8GB RAM Replacement for Samsung M471A1K43BB1-CTD, M471A1K43CB1-CTD, M471A1K43DB1-CTD, M471A1K43EB1-CTD | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Buffered/Registered: Unbuffered
- Recommend Use: AMD & Intel Compatible
- Model #: 5053772475410
Quick View
A-Tech 16GB 2Rx4 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Dual Rank x4 Server RAM Memory Module
- Chipset: Major Brand Chipset
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx4
- Parts: Lifetime
- Model #: AT16G1D4D2666RD4N12V
Quick View
16GB RAM Replacement for Micron MTA18ASF2G72HZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 NAS Microserver Memory
- CAS Latency: CL19
- Voltage: 1.20V
- ECC: Yes
- Buffered/Registered: Unbuffered
- Model #: NE-PNR-2114
Quick View
Supermicro Certified MEM-DR464LE-LR26 | Samsung M386A8K40BM2-CTD | 64GB PC4-21300 DDR4 2666MHz 4DRx4/4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
- Chipset: Samsung Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 4DRx4 (4Rx4)
- Model #: MEM-DR464LE-LR26 M386A8K40BM2-CTD
Quick View
A-Tech 4GB 1Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Module
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Multi-channel Kit: Single Module
- Model #: AT4G1D4D2666RS8N12V
Quick View
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 1Rx8
- Parts: Lifetime
- Model #: NE-MAC-0100
Quick View
A-Tech 16GB RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 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-0063
Quick View
A-Tech 4GB RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 1Rx16
- Parts: Lifetime
- Model #: NE-MAC-0084
Quick View
A-Tech 16GB Kit (2x8GB) RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 1Rx8
- Parts: Lifetime
- Model #: NE-MAC-0094
Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 SODIMM 1RX8
- Buffered/Registered: Unbuffered
- Model #: RSO21300S8C8
Quick View
8GB RAM Replacement for Samsung M391A1K43BB2-CTD, M391A1K43DB2-CTD | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: 5053772478701
Quick View
8GB RAM Replacement for Kingston KSM26ES8/8ME | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: NE-PNR-1969
Quick View
64GB RAM Replacement for Hynix HMAA8GR7A2R4N-VN | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4) Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S2Rx4 (4Rx4)
- Model #: 5053772479081
Quick View
8GB RAM Replacement for Micron MTA9ASF1G72AZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Micron Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: NE-PNR-2077
Quick View
8GB RAM Replacement for Micron MTA18ASF1G72PDZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- Chipset: Micron Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: NE-PNR-2072
Quick View
16GB RAM Replacement for Crucial CT16G4RFD4266 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: NE-PNR-1629
Quick View
32GB RAM Replacement for Hynix HMA84GL7AFR4N-VK | DDR4 2666MHz PC4-21300 ECC LRDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772479753
Quick View
32GB RAM Replacement for HP L43758-001 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: NE-PNR-1761
Quick View
32GB RAM Replacement for Micron MTA36ASF4G72LZ-2G6, MTA36ASF4G72LZ-2G6D1 | DDR4 2666MHz PC4-21300 ECC LRDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772478060
Quick View
8GB RAM Replacement for Micron MTA18ASF1G72PDZ-2G6 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772479395
Quick View
32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6B2 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Micron Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: NE-PNR-2105
Quick View
8GB RAM Replacement for IBM-Lenovo 4X70S69155, 4X70Z50946, 4ZC7A08696 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: 5053772486546
Quick View
8GB RAM Replacement for HP Q7D79A | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx4
- Model #: 5053772484825
Quick View
8GB RAM Replacement for HP L43768-001, L36845-001 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: NE-PNR-1752
Quick View
16GB RAM Replacement for Hynix HMA42GR7AFR4N-VK, HMA42GR7BJR4N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772478862
Quick View
8GB RAM Replacement for Dell A9845650, AA335287, SNPD715XC/8G | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 1Rx8
- Model #: 5053772482999
Quick View
32GB RAM Replacement for Hynix HMAA4GU7AJR8N-VK | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772479999
Quick View
128GB RAM Replacement for HP L22096-001 | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S4Rx4 (8Rx4)
- Model #: NE-PNR-1737
Quick View
32GB RAM Replacement for Dell A9723936, SNP2WMMMC/32G | DDR4 2666MHz PC4-21300 ECC LRDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772482500
Quick View
8GB RAM Replacement for Micron MTA18ASF1G72AZ-2G6B1 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Micron Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: NE-PNR-2128
Quick View
16GB RAM Replacement for Micron MTA36ASF2G72PZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772479135
Quick View
32GB RAM Replacement for IBM-Lenovo 4ZC7A15142 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772486140
Quick View
8GB RAM Replacement for IBM-Lenovo SBB7A01184 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772486492
Quick View
64GB RAM Replacement for Micron MTA72ASS8G72PSZ-2S6 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4) Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2S2Rx4 (4Rx4)
- Model #: 5053772479050
Quick View
8GB RAM Replacement for HP 876181-B21, 876319-081, 878490-001, P05586-B21, P06183-001, Q7D81A | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: 5053772484856
Quick View
64GB RAM Replacement for Kingston KSM26RD4/64HAR, KSM26RD4/64MER | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
OUT OF STOCK
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Voltage: 1.20V
- Rank: 2Rx4
- Model #: 5053772488519