Skip to main content
  • In Stock
  • Sold by Newegg
  • New
Department
Show More
Brands
Show More
Price
Show More
Speed
Capacity
Show More
BIOS/Performance Profile
CAS Latency
Multi-channel Kit
Recommend Use
Voltage
ECC
Type
Color
LED Color
Sold by
All Top Brands
Availability
Condition
Total Capacity
Current Promotion
Discount
Useful Links
Customer Ratings
avatar

Any questions? Our AI mode will help you find out quickly.

Sort By:
View:
32GB RAM Replacement for Hynix HMAA4GU7AJR8N-VK | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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
  •  
  • $358.79 
Direct from A-Tech Direct from A-Tech
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
Quick View
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for IBM-Lenovo SBB7A01184 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
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
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
A-Tech 16GB 2Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Module
Quick View
A-Tech 16GB 2Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Module
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: AT16G1D4D2666RD8N12V
  •  
  • $197.99 
Available Direct from A-Tech Available Direct from A-Tech
8GB RAM Replacement for IBM-Lenovo 4X70U39094 | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 Server Memory
Quick View
8GB RAM Replacement for IBM-Lenovo 4X70U39094 | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772486690
  •  
  • $116.65 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for HP L43768-001, L36845-001 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
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
  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Crucial CT2K32G4DFD8266, CT32G4DFD8266 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
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 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Hynix HMA81GS7CJR8N-VK | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 Server Memory
Quick View
8GB RAM Replacement for Hynix HMA81GS7CJR8N-VK | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772479975
  •  
  • $116.65 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
Quick View
32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479357
  •  
  • $358.79 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Samsung M393A1G43EB1-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
Quick View
8GB RAM Replacement for Samsung M393A1G43EB1-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479821
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Dell AA075846, AA297490, AA318912, SNPPD4K8C/16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
Quick View
16GB RAM Replacement for Dell AA075846, AA297490, AA318912, SNPPD4K8C/16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772482463
  •  
  • $191.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Micron MTA18ASF2G72HZ-2G6 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
Quick View
16GB RAM Replacement for Micron MTA18ASF2G72HZ-2G6 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772479173
  •  
  • $191.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Samsung M471A4G43MB1-CTD | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
Quick View
32GB RAM Replacement for Samsung M471A4G43MB1-CTD | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772476196
  •  
  • $195.04 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Micron MTA4ATF51264HZ-2G6E1, MTA4ATF51264HZ-2G6E3, MTA4ATF5126HZ-2G6E1 | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
Quick View
4GB RAM Replacement for Micron MTA4ATF51264HZ-2G6E1, MTA4ATF51264HZ-2G6E3, MTA4ATF5126HZ-2G6E1 | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772475533
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Samsung M393A1G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
Quick View
8GB RAM Replacement for Samsung M393A1G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: 5053772479807
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Samsung M474A1K43BB1-CRC | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 NAS Microserver Memory
Quick View
8GB RAM Replacement for Samsung M474A1K43BB1-CRC | DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 NAS Microserver Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: NE-PNR-2254
  •  
  • $91.12 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for IBM-Lenovo 4ZC7A15142 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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
  •  
  • $358.79 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Micron MTA36ASF2G72PZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
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
  •  
  • $155.06 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Hynix HMA42GR7AFR4N-VK, HMA42GR7BJR4N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
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
  •  
  • $155.06 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6G1QG | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6G1QG | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S4Rx4 (8Rx4)
  • Model #: NE-PNR-2047
  •  
  • $819.82 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for HP 3TQ39AA, 3TQ39AT, 4UY11UT, 879505-B21, 879526-091 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
Quick View
8GB RAM Replacement for HP 3TQ39AA, 3TQ39AT, 4UY11UT, 879505-B21, 879526-091 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: 5053772484924
  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
QNAP 4GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Memory, T1 Version Model RAM-4GDR4T1-SO-2666
Quick View
  •  
  • $350.85 
  • Free Shipping
16GB RAM Replacement for IBM-Lenovo 4X70R38788, 4ZC7A08702 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
16GB RAM Replacement for IBM-Lenovo 4X70R38788, 4ZC7A08702 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772485792
  •  
  • $109.34 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for IBM-Lenovo 4X70U39095, 4X70U55668 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
Quick View
16GB RAM Replacement for IBM-Lenovo 4X70U39095, 4X70U55668 | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772486034
  •  
  • $191.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Micron MTA18ASF1G72AZ-2G6B1 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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
  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Hynix HMA41GR7BJR4N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
Quick View
8GB RAM Replacement for Hynix HMA41GR7BJR4N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: 5053772480087
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for Dell 370-AETB, A9810569 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4 3DS/TSV) Server Memory
Quick View
64GB RAM Replacement for Dell 370-AETB, A9810569 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S2Rx4 (4Rx4 3DS/TSV)
  • Model #: 5053772482821
  •  
  • $460.57 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for IBM-Lenovo 7X77A01307, 01DE977 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for IBM-Lenovo 7X77A01307, 01DE977 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S4Rx4 (8Rx4)
  • Model #: NE-PNR-1926
  •  
  • $714.99 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for Cisco UCS-MR-X64G4RS-H, 15-105083-01 | DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 Server Memory
Quick View
64GB RAM Replacement for Cisco UCS-MR-X64G4RS-H, 15-105083-01 | DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S2Rx4 (4Rx4)
  • Model #: NE-PNR-1564
  •  
  • $460.57 
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Hynix HMAA4GU6MJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
32GB RAM Replacement for Hynix HMAA4GU6MJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Hynix HMAA4GU6MJR8N-VK
  • Model #: NE-PNR-1854
  •  
  • $213.39 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for Samsung M393A8K40B22-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4) Server Memory
Quick View
64GB RAM Replacement for Samsung M393A8K40B22-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S2Rx4 (4Rx4)
  • Model #: 5053772479067
  •  
  • $460.57 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Hynix HMA82GS7CJR8N-VK, HMA82GS7DJR8N-VK | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
Quick View
16GB RAM Replacement for Hynix HMA82GS7CJR8N-VK, HMA82GS7DJR8N-VK | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Server Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • ECC: Yes
  • Buffered/Registered: Unbuffered
  • Model #: 5053772478800
  •  
  • $191.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Samsung M391A4G43MB1-CTD | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
Quick View
32GB RAM Replacement for Samsung M391A4G43MB1-CTD | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479500
  •  
  • $358.79 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Micron MTA36ASF2G72PZ-2G6B1, MTA36ASF2G72PZ-2G6B2, MTA36ASF2G72PZ-2G6F1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
Quick View
  •  
  • $155.06 
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Dell AA101754, AA335284 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
Quick View
32GB RAM Replacement for Dell AA101754, AA335284 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772482630
  •  
  • $358.79 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Crucial CT4G4RFS8266 | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
Quick View
4GB RAM Replacement for Crucial CT4G4RFS8266 | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: NE-PNR-1644
  •  
  • $25.29 
Direct from A-Tech Direct from A-Tech