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16GB RAM Replacement for Hynix HMA42GR7AFR4N-VK, HMA42GR7BJR4N-VK | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
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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
  •  
  • $159.86 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Micron MTA36ASF2G72PZ-2G6E1 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
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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
  •  
  • $159.86 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Micron MTA18ASF1G72PDZ-2G6 | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx8 Server Memory
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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
  •  
  • $54.99 
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
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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
  •  
  • $405.10 
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
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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
  •  
  • $784.52 
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
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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
16GB RAM Replacement for Samsung M393A2G40EB1-CTD, M393A2G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
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16GB RAM Replacement for Samsung M393A2G40EB1-CTD, M393A2G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 2Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: 5053772478527
  •  
  • $159.86 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
64GB RAM Replacement for IBM-Lenovo 78P4199 | DDR4 2666MHz PC4-21300 ECC RDIMM 2S2Rx4 (4Rx4 3DS/TSV) Server Memory
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64GB RAM Replacement for IBM-Lenovo 78P4199 | 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 #: 5053772486362
  •  
  • $405.10 
Direct from A-Tech Direct from A-Tech
Hynix 16GB HMA82GS6DJR8N-VK  2666MHz DDR4 RAM is SODIMM PC4-21300 Mac Mini iMac Memory
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Hynix 16GB HMA82GS6DJR8N-VK 2666MHz DDR4 RAM is SODIMM PC4-21300 Mac Mini iMac Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Model #: HMA82GS6DJR8N-VK
32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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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
A-Tech 8GB 2Rx8 PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Module
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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 
Available Direct from A-Tech Available Direct from A-Tech
32GB RAM Replacement for IBM-Lenovo 4ZC7A15142 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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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
NEMIX RAM 4GB (1X4GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with QNAP RAM 4GDR4K0-SO-2666 NAS Memory
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NEMIX RAM 4GB (1X4GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with QNAP RAM 4GDR4K0-SO-2666 NAS Memory
  • Brand: NEMIX RAM
  • Series: QNAP NAS Compatible Series Memory
  • Capacity: 4GB
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: MS21300-418K1-QNAP-4GDR4K0-SO-2666
  •  
  • $38.99 
Direct from NEMIX RAM Direct from NEMIX RAM
128GB RAM Replacement for Micron MTA144ASQ16G72LSZ-2S6G1QG | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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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
  •  
  • $784.52 
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
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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
  •  
  • $649.99 
  • Free Shipping
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
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  •  
  • $159.86 
  • Free Shipping
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
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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
  •  
  • $405.10 
Direct from A-Tech Direct from A-Tech
A-Tech 128GB (8x16GB) 2Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
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A-Tech 128GB (8x16GB) 2Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: AT16G8D4D2666UD8N12V
  • Model #: AT16G8D4D2666UD8N12V
  •  
  • $1,279.92 
Direct from A-Tech Direct from A-Tech
8GB RAM Replacement for Samsung M393A1G40EB2-CTD | DDR4 2666MHz PC4-21300 ECC RDIMM 1Rx4 Server Memory
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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
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
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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
32GB RAM Replacement for Dell AA101754, AA335284 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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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
NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with Synology D4EC-2666-8G NAS Memory
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NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with Synology D4EC-2666-8G NAS Memory
  • Brand: NEMIX RAM
  • Series: Synology Compatible Series NAS Memory
  • Capacity: 8GB
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: ME21300-818K1-SYN-D4EC-2666-8G
  •  
  • $69.99 
Direct from NEMIX RAM Direct from NEMIX RAM
NEMIX RAM 64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology D4ECSO-2666-16G
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NEMIX RAM 64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology D4ECSO-2666-16G
  • Voltage: 1.20V
  • Compatible System: Synology
  • CAS Latency: CL19
  • Part Number: MSE21300-628K4
  • Model #: MSE21300-628K4-SYN-D4ECSO-2666-16G
  •  
  • $627.28 
Direct from NEMIX RAM Direct from NEMIX RAM
128GB RAM Replacement for Crucial CT128G4ZFE426S36QG1, CT128G4ZFJ426S | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Crucial CT128G4ZFE426S36QG1, CT128G4ZFJ426S | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: CT128G4ZFE426S36QG1, CT128G4ZFJ426S
  • Model #: NE-PNR-1532
  •  
  • $784.52 
Direct from A-Tech Direct from A-Tech
Black Diamond Memory 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model BD8G2666MQN22
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Black Diamond Memory 8GB 260-Pin DDR4 SO-DIMM DDR4 2666 (PC4 21300) Laptop Memory Model BD8G2666MQN22
  • 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 #: BD8G2666MQN22
A-Tech 32GB (4x8GB) 2Rx8 PC4-21300 / PC4-21300E DDR4 2666 MHz ECC UDIMM 1.2V ECC Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
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  •  
  • $479.96 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Rimlance 4GB (1X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8
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Rimlance 4GB (1X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX8
  • CAS Latency: CL19
  • Chipset: Major Brand Chipset
  • Buffered/Registered: Unbuffered
  • Model #: RUD21300S8C4
  •  
  • $29.99 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-16GDR4ECP0-UD-2666 NAS Memory
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NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-16GDR4ECP0-UD-2666 NAS Memory
  • Chipset: Major OEM Samsung, Micron, Hynix
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: ME21300-628K1
  • Model #: ME21300-628K1-QN-RAM-16GDR4ECP0-UD-2666
  •  
  • $167.88 
Direct from NEMIX RAM Direct from NEMIX RAM
4GB RAM Replacement for Synology D4NE-2666-4G | DDR4 2666MHz PC4-21300 DIMM 1Rx8 Desktop Memory
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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
  •  
  • $41.15 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with Samsung M471A2K43CB1-CTD
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NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with Samsung M471A2K43CB1-CTD
  • Brand: NEMIX RAM
  • Series: Samsung Laptop, AIO All-in-One PC Compatible Series Memory
  • Capacity: 16GB
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: 759170818211
  •  
  • $92.99 
  • Free Shipping
Direct from NEMIX RAM Direct from NEMIX RAM
4GB RAM Replacement for Dell AA086413, SNPKN2NMC/4G | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
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4GB RAM Replacement for Dell AA086413, SNPKN2NMC/4G | DDR4 2666MHz PC4-21300 SODIMM 1Rx16 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772482760
  •  
  • $41.15 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
Rimlance 32GB (1X32GB) 1.2V DDR4 2666MHZ PC4-21300 ECC UDIMM 2RX8 Server Memory
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Rimlance 32GB (1X32GB) 1.2V DDR4 2666MHZ PC4-21300 ECC UDIMM 2RX8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 2Rx8
  • Model #: B0D7PTZ84Z
  •  
  • $265.00 
  • Free Shipping
Direct from RIMLANCE Direct from RIMLANCE
128GB RAM Replacement for Cisco 15-105085-01, UCS-MR-128G8RS-H | DDR4 2666MHz PC4-21300 ECC RDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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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
  •  
  • $649.99 
  • Free Shipping
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
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  •  
  • $129.99 
  • Free Shipping
Direct from A-Tech Direct from A-Tech
32GB RAM Replacement for HP 4VN08AA, 6NX83AA | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
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32GB RAM Replacement for HP 4VN08AA, 6NX83AA | DDR4 2666MHz PC4-21300 SODIMM 2Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: Major Brand Chips
  • Model #: 5053772484467
  •  
  • $201.07 
Direct from A-Tech Direct from A-Tech
16GB RAM Replacement for Crucial CB16GS2666 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
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16GB RAM Replacement for Crucial CB16GS2666 | DDR4 2666MHz PC4-21300 SODIMM 1Rx8 Laptop Memory
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Buffered/Registered: Unbuffered
  • Features: CB16GS2666
  • Model #: NE-PNR-1637
  •  
  • $114.94 
Direct from A-Tech Direct from A-Tech