Skip to main content
  • In Stock
  • Sold by Newegg
  • AI Ready
  • Make an Offer
  • New
Department
Show More
Brands
Show More
Price
Show More
Sold by
All Top Brands
Availability
Condition
Total Capacity
Show More
Current Promotion
Discount
Useful Links
Customer Ratings
avatar

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

Sort By:
View:
A-Tech 64GB (8x8GB) 1Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
Quick View
A-Tech 64GB (8x8GB) 1Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: AT8G8D4D2666US8N12V
  • Model #: AT8G8D4D2666US8N12V
  •  
  • $959.92 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
A-Tech 64GB 2Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x4 Server & Workstation RAM Memory Upgrade Module
Quick View
A-Tech 64GB 2Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x4 Server & Workstation RAM Memory Upgrade Module
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Single Module
  • Model #: AT64G1D4D2666RD4N12V
  •  
  • $401.95 
Direct from A-Tech Direct from A-Tech
A-Tech 8GB 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 8GB 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 #: AT8G1D4D2666RD8N12V
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Micron MTA8ATF51264AZ-2G6, MTA8ATF51264AZ-2G6B1 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
4GB RAM Replacement for Micron MTA8ATF51264AZ-2G6, MTA8ATF51264AZ-2G6B1 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474628
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech
A-Tech 128GB (4x32GB) 2Rx4 PC4-21300L DDR4 2666 MHz ECC LRDIMM Load Reduced DIMM 288-Pin 2DRx4 Dual Rank x4 Server RAM Memory Upgrade Kit
Quick View
A-Tech 128GB (4x32GB) 2Rx4 PC4-21300L DDR4 2666 MHz ECC LRDIMM Load Reduced DIMM 288-Pin 2DRx4 Dual Rank x4 Server RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Multi-channel Kit: Quad Channel Kit
  • Model #: AT32G4D4D2666LD4N12V
  •  
  • $952.57 
Available Direct from A-Tech Available Direct from A-Tech
4GB RAM Replacement for Synology D4NE-2666-4G | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
4GB RAM Replacement for Synology D4NE-2666-4G | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772489035
  •  
  • $39.92 
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 Kingston KSM26ES8/8HD, KSM26ES8/8MR, KTD-PE426E/8G, KTH-PL426E/8G, KTL-TS426E/8G | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
Quick View
  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Crucial CT16G4DFRA266.C8FE, CB16GU2666 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
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 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Crucial CT8G4DFRA266.C8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Crucial CT8G4DFRA266.C8 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Crucial CT8G4DFRA266.C8
  • Model #: NE-PNR-1623
  •  
  • $62.30 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Corsair CMK32GX4M2A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
16GB RAM Replacement for Corsair CMK32GX4M2A2666C16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for Corsair CMK32GX4M2A2666C16
  • Model #: NE-PNR-1596
  •  
  • $109.34 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Crucial CT2K4G4DFS6266, CT4G4DFS6266 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
4GB RAM Replacement for Crucial CT2K4G4DFS6266, CT4G4DFS6266 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772481046
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for Samsung M386AAK40B40-CWD | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Samsung M386AAK40B40-CWD | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: M386AAK40B40-CWD
  • Model #: NE-PNR-1537
  •  
  • $819.82 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for Micron MTA144ASQ16G72PSZ-2S6E1, MTA144ASQ16G72PSZ-2S6G1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
  •  
  • $714.99 
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
128GB RAM Replacement for Cisco 15-105085-01, UCS-MR-128G8RS-H | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Cisco 15-105085-01, UCS-MR-128G8RS-H | 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-1565
  •  
  • $714.99 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for Micron MTA72ASS8G72PSZ-2S6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 Server Memory
Quick View
64GB RAM Replacement for Micron MTA72ASS8G72PSZ-2S6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 4Rx4 Server Memory
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S2Rx4 (4Rx4)
  • Model #: NE-PNR-2080
  •  
  • $418.70 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for HP P05592-B21, P05592-H21, P05592-K21, P05642-1A1, P06182-001 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
Quick View
  •  
  • $418.72 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for HP 1XD88AA, 1XD88AT, 815102-B21, 815102-H21, 815102-K21, 838087-B21, 838087-H21 HPE | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for HP 1XD88AA, 1XD88AT, 815102-B21, 815102-H21, 815102-K21, 838087-B21, 838087-H21 HPE | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: 1XD88AA, 1XD88AT, 815102-B21, 815102-H21, 815102-K21, 838087-B21, 838087-H21
  • Model #: NE-PNR-1517
  •  
  • $819.82 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Kingston HX426C13SB2K4/32, HX426C15FBK2/16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
8GB RAM Replacement for Kingston HX426C13SB2K4/32, HX426C15FBK2/16 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772488625
  •  
  • $62.30 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Kingston KCP426NS6/8, KVR26N19S6/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
8GB RAM Replacement for Kingston KCP426NS6/8, KVR26N19S6/8 | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772488595
  •  
  • $62.30 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for HP 934254-800 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for HP 934254-800 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Recommend Use: Compatible Replacement for HP 934254-800
  • Model #: NE-PNR-1723
  •  
  • $62.30 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6, MTA144ASQ16G72LSZ-2S6E1, MTA144ASQ16G72LSZ-2S6G1 | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6, MTA144ASQ16G72LSZ-2S6E1, MTA144ASQ16G72LSZ-2S6G1 | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: MTA144ASQ16G72LSZ-2S6, MTA144ASQ16G72LSZ-2S6E1, MTA144ASQ16G72LSZ-2S6G1
  • Model #: NE-PNR-1519
  •  
  • $819.82 
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for IBM-Lenovo 4ZC7A08716 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
Quick View
64GB RAM Replacement for IBM-Lenovo 4ZC7A08716 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: 5053772486355
  •  
  • $418.72 
Direct from A-Tech Direct from A-Tech
128GB RAM Replacement for Hynix HMABAGR7A4R4N-VN | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Hynix HMABAGR7A4R4N-VN | 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-1834
  •  
  • $714.99 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for IBM-Lenovo 4X70R38787, 4ZC7A08701 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
8GB RAM Replacement for IBM-Lenovo 4X70R38787, 4ZC7A08701 | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772486423
  •  
  • $62.30 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Samsung M378A2G43MX3-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
Quick View
16GB RAM Replacement for Samsung M378A2G43MX3-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474956
  •  
  • $109.34 
Direct from A-Tech Direct from A-Tech
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
128GB RAM Replacement for Hynix HMABAGL7C4R4N-VN, HMABAGL7A4R4N-VN, HMABAGL7M4R4N-VN | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Hynix HMABAGL7C4R4N-VN, HMABAGL7A4R4N-VN, HMABAGL7M4R4N-VN | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: HMABAGL7C4R4N-VN, HMABAGL7A4R4N-VN, HMABAGL7M4R4N-VN
  • Model #: NE-PNR-1528
  •  
  • $819.82 
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
128GB RAM Replacement for Dell 370-ADMX, A9031094, A9781931, A9810565, AB003148, SNP917VKC/128G, SNP917VKC/128VXR | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Dell 370-ADMX, A9031094, A9781931, A9810565, AB003148, SNP917VKC/128G, SNP917VKC/128VXR | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: 370-ADMX, A9031094, A9781931, A9810565, AB003148, SNP917VKC/128G, SNP917VKC/128VXR
  • Model #: NE-PNR-1521
  •  
  • $819.82 
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Hynix HMAA4GU6AJR8N-VK, HMAA4GU6CJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
32GB RAM Replacement for Hynix HMAA4GU6AJR8N-VK, HMAA4GU6CJR8N-VK | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474819
  •  
  • $213.39 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Samsung M378A2K43BB1-CTD, M378A2K43CB1-CTD, M378A2K43DB1-CTD | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
16GB RAM Replacement for Samsung M378A2K43BB1-CTD, M378A2K43CB1-CTD, M378A2K43DB1-CTD | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474468
  •  
  • $109.34 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Samsung M378A5244BB0-CTD, M378A5244CB0-CTD, M378A5244CBO-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
4GB RAM Replacement for Samsung M378A5244BB0-CTD, M378A5244CB0-CTD, M378A5244CBO-CTD | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • Voltage: 1.20V
  • Recommend Use: AMD & Intel Compatible
  • Buffered/Registered: Unbuffered
  • Tested Frequency: 2666
  • Model #: 5053772474475
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for HP 3PL82AA, 3PL82AT, 3TK83AA, 3TK83AT, 3TK83TA, P06773-001 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
Quick View
16GB RAM Replacement for HP 3PL82AA, 3PL82AT, 3TK83AA, 3TK83AT, 3TK83TA, P06773-001 | DDR4 2666MHz PC4-21300 DIMM 2Rx8 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772483996
  •  
  • $109.34 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for HP 3TK85AA, 3TK85TA | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
Quick View
4GB RAM Replacement for HP 3TK85AA, 3TK85TA | DDR4 2666MHz PC4-21300 DIMM 1Rx16 Desktop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Chipset: Major Brand Chips
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772484511
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech