Skip to main content
  • In Stock
  • Sold by Newegg
  • AI Ready
  • Make an Offer
  • 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:
Hynix HMA81GU7CJR8N-VK 8GB DDR4-2666 ECC UDIMM
Quick View
SK hynix
Hynix HMA81GU7CJR8N-VK 8GB DDR4-2666 ECC UDIMM
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 1Rx8
  • Model #: HMA81GU7CJR8N-VK
  •  
  • $119.99 
  • Free Shipping
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 SODIMM 1RX8
Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHZ PC4-21300 SODIMM 1RX8
  • Buffered/Registered: Unbuffered
  • Model #: RSO21300S8C8
  •  
  • $47.99 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
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
OWC 128GB (8x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC
Quick View
OWC 128GB (8x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 Non-ECC UDIMM 1.2V 288-pin Desktop Memory RAM Upgrade for PC
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Desktops
  • Model #: OWC2U6D42R8128K
  •  
  • $878.16 
Direct from OWC Direct from OWC
A-Tech 16GB 2Rx4 PC4-21300 DDR4 2666 ECC REG RDIMM Registered DIMM 288-Pin Dual Rank x4 Server RAM Memory Module
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
  •  
  • $155.06 
Available Direct from A-Tech Available Direct from A-Tech
A-Tech 16GB (2x8GB) 1Rx8 PC4-21300 / PC4-21300E DDR4 2666 MHz ECC UDIMM 1.2V ECC Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
Quick View
  •  
  • $239.98 
  • Free Shipping
Available Direct from A-Tech Available Direct from A-Tech
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHz  PC4-21300 ECC UDIMM 1RX8
Quick View
Rimlance 8GB (1X8GB) 1.2V DDR4 2666MHz PC4-21300 ECC UDIMM 1RX8
  • CAS Latency: CL19
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 1Rx8
  • Model #: REU21300S8C8
  •  
  • $62.00 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
SNPTP9W1C/16G - Dell Compatible 16GB PC4-21300 DDR4-2666MHz 2Rx8 1.2V Non-ECC UDIMM
Quick View
SNPTP9W1C/16G - Dell Compatible 16GB PC4-21300 DDR4-2666MHz 2Rx8 1.2V Non-ECC UDIMM
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Chipset: Major Brand Chipset
  • Buffered/Registered: Unregistered
  • Model #: SNPTP9W1C/16G
  •  
  • $159.45 
8GB RAM Replacement for Hynix HMA81GR7CFR8N-VK, HMA81GR7MFR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
Quick View
8GB RAM Replacement for Hynix HMA81GR7CFR8N-VK, HMA81GR7MFR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: NE-PNR-1830
  •  
  • $71.49 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Hynix HMA81GR7AFR8N-VK, HMA81GR7CJR8N-VK, HMA81GR7JJR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
Quick View
8GB RAM Replacement for Hynix HMA81GR7AFR8N-VK, HMA81GR7CJR8N-VK, HMA81GR7JJR8N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: 5053772477957
  •  
  • $71.49 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Supermicro Certified MEM-DR416LA-ER26 | Samsung M393A2K40BB2-CTD | 16GB PC4-21300 DDR4 2666MHz 1Rx4 Single Rank ECC RDIMM Registered 288-Pin Server Memory RAM
Quick View
Supermicro Certified MEM-DR416LA-ER26 | Samsung M393A2K40BB2-CTD | 16GB PC4-21300 DDR4 2666MHz 1Rx4 Single Rank ECC RDIMM Registered 288-Pin Server Memory RAM
  • Chipset: Samsung Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: MEM-DR416LA-ER26 M393A2K40BB2-CTD
  •  
  • $154.43 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for HP 3TK84AA, 3TK84AT, 3TK84TA, 3TQ36AA, 3TQ36AT, 4VN07AA, 4VN07UT, 937438-850 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
Quick View
16GB RAM Replacement for HP 3TK84AA, 3TK84AT, 3TK84TA, 3TQ36AA, 3TQ36AT, 4VN07AA, 4VN07UT, 937438-850 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772484269
  •  
  • $105.92 
Direct from A-Tech Direct from A-Tech
Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM
Quick View
SK hynix
Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM
  • Type: 288-Pin DDR4 SDRAM
  • Model #: 421-001712000361964
  •  
  • $198.81 
Supermicro Certified MEM-DR416L-HL01-EU26 Hynix HMA82GU7CJR8N-VK 16GB DDR4-2666 ECC UDIMM
Quick View
SK hynix
Supermicro Certified MEM-DR416L-HL01-EU26 Hynix HMA82GU7CJR8N-VK 16GB DDR4-2666 ECC UDIMM
  • CAS Latency: CL11
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 2Rx8
  • Model #: HY4162666ECCD8-1-M6
  •  
  • $169.99 
OWC 8GB (2x4GB) Replacement for Crucial CT2K4G4SFS8266 - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 8GB (2x4GB) Replacement for Crucial CT2K4G4SFS8266 - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 8GB (2 x 4GB)
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D41R8008P-CE13-SF
  •  
  • $67.88 
Direct from OWC Direct from OWC
OWC 8GB Replacement for Crucial CT8G4SFRA266 CT8G4S266M - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 8GB Replacement for Crucial CT8G4SFRA266 CT8G4S266M - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 8GB
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D41R808GB-AUJ-SF
  •  
  • $59.99 
Direct from OWC Direct from OWC
OWC 16GB (2x8GB) Replacement for Crucial CT2K8G4SFRA266 CT2K8G4S266M - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 16GB (2x8GB) Replacement for Crucial CT2K8G4SFRA266 CT2K8G4S266M - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 16GB (2 x 8GB)
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D41R8016P-CE14-SF
  •  
  • $118.78 
  • Free Shipping
Direct from OWC Direct from OWC
OWC 4GB Replacement for Crucial CT4G4SFS8266 - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 4GB Replacement for Crucial CT4G4SFS8266 - DDR4 2666MHz PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 4GB
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D41R804GB-ATY-SF
  •  
  • $34.99 
Direct from OWC Direct from OWC
OWC 32GB Replacement for Crucial CT32G4SFD8266 CT32G4S266M - DDR4 2666MHz PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 32GB Replacement for Crucial CT32G4SFD8266 CT32G4S266M - DDR4 2666MHz PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 32GB
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D42R832GB-AUN-SF
  •  
  • $239.99 
Direct from OWC Direct from OWC
OWC 64GB (2x32GB) DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server
Quick View
OWC 64GB (2x32GB) DDR4 2666MHz PC4-21300 CL19 2RX4 ECC Registered RDIMM 1.2V 288-pin Memory RAM Upgrade for Server
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Part Number: 2R6D42R4064P
  • Model #: OWC2R6D42R4064P
  •  
  • $538.36 
Available Direct from OWC Available Direct from OWC
OWC 16GB DDR4 2666MHz PC4-21300 CL19 1.2V 288-Pin Non-ECC UDIMM Memory RAM Compatible with Hp Pavilion 590-P0007Nf 590-P0008Nl 590-P0013Nb 590-P0016 590-P0030
Quick View
OWC 16GB DDR4 2666MHz PC4-21300 CL19 1.2V 288-Pin Non-ECC UDIMM Memory RAM Compatible with Hp Pavilion 590-P0007Nf 590-P0008Nl 590-P0013Nb 590-P0016 590-P0030
  • Voltage: 1.2V
  • Compatible System: HP Pavilion 590-p0007nf HP Pavilion 590-p0008nl HP Pavilion 590-p0013nb HP Pavilion 590-p0016 HP Pavilion 590-p0030
  • CAS Latency: CL19
  • Part Number: 2U6D42R816GB
  • Model #: OWC2U6D42R816GB-AEP
  •  
  • $109.99 
Available Direct from OWC Available Direct from OWC
OWC 64GB (2x32GB) Replacement for Crucial CT2K32G4SFD8266 CT2K32G4S266M - DDR4 2666MHz PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM
Quick View
OWC 64GB (2x32GB) Replacement for Crucial CT2K32G4SFD8266 CT2K32G4S266M - DDR4 2666MHz PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM
  • Brand: OWC
  • Capacity: 64GB (2 x 32GB)
  • Type: 260-Pin DDR4 Non-ECC SODIMM
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: OWC2S6D42R8064P-CE15-SF
  •  
  • $479.50 
Direct from OWC Direct from OWC
OWC 8GB Replacement for QNAP RAM-8GDR4ECT0-RD-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade
Quick View
OWC 8GB Replacement for QNAP RAM-8GDR4ECT0-RD-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Part Number: 2R6D41R808GB
  • Type: 288-Pin DDR4 ECC RDIMM
  • Model #: OWC2R6D41R808GB-B589-SF
  •  
  • $89.99 
  • Free Shipping
Direct from OWC Direct from OWC
OWC 32GB DDR4 2666MHz PC4-21300 CL19 4RX4 ECC Load Reduced LRDIMM 1.2V 288-pin Memory RAM Upgrade for Server
Quick View
OWC 32GB DDR4 2666MHz PC4-21300 CL19 4RX4 ECC Load Reduced LRDIMM 1.2V 288-pin Memory RAM Upgrade for Server
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Part Number: 2L6D44R432GB
  • Type: 288-Pin DDR4 ECC LRDIMM
  • Model #: OWC2L6D44R432GB
  •  
  • $269.99 
Available Direct from OWC Available Direct from OWC
OWC 128GB Replacement for Crucial CT128G4ZFE426S CT128G4ZFJ426S - DDR4 2666 PC4-21300 CL19 8Rx4 288-pin 1.2V ECC Load Reduced LRDIMM Memory RAM Module Upgrade
Quick View
  •  
  • $899.99 
Direct from OWC Direct from OWC
OWC 64GB Replacement for Fujitsu S26361-F4026-L764 S26361-F4026-L364 S26361-F4026-E764 S26361-F4026-E364 S26361-F4026-E364 - DDR4 2666 PC4-21300 CL19 4Rx4 288-pin 1.2V ECC RDIMM Memory RAM Upgrade
Quick View
  •  
  • $499.99 
  • Free Shipping
Direct from OWC Direct from OWC
8GB RAM Replacement for Dell A9845650, AA335287, SNPD715XC/8G | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
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
  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Micron MTA18ASF1G72PZ-2G6B1, MTA18ASF1G72PZ-2G6F1 | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
Quick View
  •  
  • $54.99 
Direct from A-Tech Direct from A-Tech
A-Tech 8GB 1Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
Quick View
A-Tech 8GB 1Rx4 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: AT8G1D4D2666RS4N12V
  •  
  • $54.99 
Available Direct from A-Tech Available Direct from A-Tech
AGI UD138 8GB DDR4 UDIMM 2666MHz CL19, 1.2V,  288-pin for Computer Memory RAM Module Upgrade
Quick View
AGI UD138 8GB DDR4 UDIMM 2666MHz CL19, 1.2V, 288-pin for Computer Memory RAM Module Upgrade
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Brand: AGI
  • Series: UD138
  • Model #: AGI266608UD138
  •  
  • $80.00 
  • Free Shipping
Available Direct from AGI Available Direct from AGI
128GB RAM Replacement for Samsung M393AAK40B42-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
Quick View
128GB RAM Replacement for Samsung M393AAK40B42-CWD | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Samsung Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2S4Rx4 (8Rx4)
  • Model #: NE-PNR-2296
  •  
  • $714.99 
Direct from A-Tech Direct from A-Tech
4GB RAM Replacement for Samsung M471A5244BB0-CTD, M471A5244CB0-CTD | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
Quick View
4GB RAM Replacement for Samsung M471A5244BB0-CTD, M471A5244CB0-CTD | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Recommend Use: AMD & Intel Compatible
  • Model #: 5053772475984
  •  
  • $39.92 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for HP L33261-001, 937236-850 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
Quick View
8GB RAM Replacement for HP L33261-001, 937236-850 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: L33261-001, 937236-850
  • Model #: NE-PNR-1733
  •  
  • $61.40 
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for Hynix HMAA4GS6CJR8N-VK | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
Quick View
32GB RAM Replacement for Hynix HMAA4GS6CJR8N-VK | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: HMAA4GS6CJR8N-VK
  • Model #: NE-PNR-1832
  •  
  • $183.83 
Direct from A-Tech Direct from A-Tech
ASUS PRIME B365M-A LGA-1151 Support 9th/8th Gen Intel Processor with Aura Sync RGB Header, DDR4 2666 MHz, M.2 Support, HDMI, SATA 6Gbps mATX Motherboard
Quick View
Refurbished ASUS PRIME B365M-A LGA-1151 Support 9th/8th Gen Intel Processor with Aura Sync RGB Header, DDR4 2666 MHz, M.2 Support, HDMI, SATA 6Gbps mATX Motherboard
  • Memory Standard: DDR4 2666/ 2400/ 2133 MHz Non-ECC, Un-buffered Memory* The maximum memory frequency supported varies by processor** DDR4 2666 MHz and higher memory modules will run at max. 2666 MHz on Intel 8th Gen. 6-core or higher processors
  • Number of Memory Slots: 4x288pin (DDR4)
  • Audio Chipset: Realtek ALC887
  • Brand: ASUS
  • Model #: PRIME B365M-A
16GB RAM Replacement for Kingston ACR26D4S9D8MD-16, KVR26S19D8/16 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
Quick View
16GB RAM Replacement for Kingston ACR26D4S9D8MD-16, KVR26S19D8/16 | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772488175
  •  
  • $105.92 
Direct from A-Tech Direct from A-Tech