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DDR4 Desktop RAM Memory Upgrades
Shop A-Tech
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A-Tech 256GB (8x32GB) 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: AT32G8D4D2666UD8N12V
- Model #: AT32G8D4D2666UD8N12V
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A-Tech 16GB Kit (2x8GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0158
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A-Tech 64GB Kit (8x8GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0161
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A-Tech 64GB Kit (4x16GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0134
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A-Tech 32GB Kit (4x8GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0159
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A-Tech 64GB Kit (2x32GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0139
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A-Tech 32GB Kit (2x16GB) RAM for Apple Mac Pro (2019, 8-Core, Rack & Tower) | DDR4 2666/2667MHz PC4-21300 ECC RDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Parts: Lifetime
- Labor: Lifetime
- Model #: NE-MAC-0133
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Supermicro (MTA36ASF4G72PZ-2G6E1) 32GB SDRAM ECC Registered DDR4 2666 (PC4 21300) Server Memory Model MEM-DR432L-CL03-ER26
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx4
- Model #: MEM-DR432L-CL03-ER26
- $243.64 –
- More options from $243.64 - $253.50
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RAM 32GB DDR4 2666MHz 2RX4 PC4-2666V REG RDIMM For SK Hynix Server Memory 2666 1 Pcs
- Model #: oo-2444
- $207.71 –
- Free Shipping
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Kingston - KSM26SED8/16ME - Kingston 16GB DDR4 SDRAM Memory Module - 16 GB - DDR4-2666/PC4-2666 DDR4 SDRAM - CL19 - 1.20
- CAS Latency: CL19
- Timing: 19-19-19
- Voltage: 1.20V
- Rank: 2Rx8
- Model #: KSM26SED8/16ME
- $179.00 –
- More options from $153.00 - $179.00
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OWC 8GB DDR4 2666 PC4-21300 CL19 1Rx8 288-pin 1.2V ECC Unbuffered DIMM Memory RAM Module Upgrade Compatible with Synology NAS SA3400D
- Brand: OWC
- Capacity: 8GB
- Speed: DDR4 2666 (PC4 21300)
- ECC: Yes
- Model #: OWC2E6D41R808GB-C330-SF
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8GB DDR4 2666MHz PC4-21300 288 pin DESKTOP Memory Non ECC 2666 Low Density RAM - OEM
- Model #: BM8GD42666DTA54T
- $74.83 –
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OWC 8GB Replacement for Synology D4RD-2666-8G, D4ER01-8G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology Flashstation FS2017
- CAS Latency: CL19
- Voltage: 1.2V
- Part Number: 2R6D41R408GB
- Type: 288-Pin DDR4 SDRAM
- Model #: OWC2R6D41R408GB-ZBF-SF
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OWC 128GB (4x32GB) Replacement for Synology D4RD-2666-32G, D4ER01-32G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology Flashstation FS3400, FS3410, FS3600
- CAS Latency: CL19
- Voltage: 1.2V
- Multi-channel Kit: Dual Channel Kit
- Part Number: 2R6D42R4128S
- Model #: OWC2R6D42R4128S-ZBG-SF
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OWC 8GB Replacement for Synology D4RD-2666-8G, D4ER01-8G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology RACKSTATION RS18017xs+
- CAS Latency: CL19
- Voltage: 1.2V
- Part Number: 2R6D41R408GB
- Type: 288-Pin DDR4 SDRAM
- Model #: OWC2R6D41R408GB-ZBI-SF
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OWC 8GB Replacement for Synology D4RD-2666-8G, D4ER01-8G, DDR4 2666 MHz PC4-21300 ECC Registered RDIMM RAM Memory Compatible with Synology NAS SA3400,SA410, SA3600, SA3610
- CAS Latency: CL19
- Voltage: 1.2V
- Part Number: 2R6D41R408GB
- Type: 288-Pin DDR4 SDRAM
- Model #: OWC2R6D41R408GB-ZBJ-SF
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NEMIX RAM 256GB (8X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Synology D4RD-2666-32G NAS Memory
- Voltage: 1.20V
- Compatible System: Synology
- CAS Latency: CL19
- Part Number: MR21300-324K8
- Model #: MR21300-324K8-SYN-D4RD-2666-32G
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NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory Compatible with QNAP RAM-32GDR4S0-UD-2666 NAS Memory
- CAS Latency: CL19
- Voltage: 1.20V
- Chipset: Major OEM Samsung, Micron, Hynix
- Buffered/Registered: Unbuffered
- Model #: MD21300-328K1-QN-RAM-32GDR4S0-UD-2666
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Kingston KSM26RD4/32HDI 32GB DDR4 SDRAM Memory Module - For Server - 32 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL19 - 1.20 V - ECC/Parity - Registered - 288-pin - DIMM
OUT OF STOCK
- Brand: Kingston
- Series: Premier Series
- Capacity: 32GB
- Speed: DDR4 2666 (PC4 21300)
- Model #: KSM26RD4/32HDI
- $161.99 –
- More options from $127.74 - $161.99
- Free Shipping
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16GB EUDIMM 2Rx8 Memory for Fujitsu Celsius J580 DDR4-2666 ECC Ubuffered Ram by Avarum Ram
- CAS Latency: CL19
- Voltage: 1.20V
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: Avarum-4162666D8-EUDIMM-2007
- $79.98 –
- Free Shipping
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OWC 256GB (8x32GB) 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 #: OWC2U6D42R8256K
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Rimlance 4GB (1X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL22
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD25600S6C4
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Rimlance 8GB (2X4GB) 1.2V DDR4 2666MHZ PC4-21300 UDIMM 1RX16
- CAS Latency: CL19
- Multi-channel Kit: Dual Channel Kit
- Chipset: Major Brand Chipset
- Buffered/Registered: Unbuffered
- Model #: RUD21300S6C2K8
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Rimlance 64GB (2X32GB) 1.2V DDR4 2666MHz PC4-21300 ECC SODIMM 2RX8
- Chipset: Major Brand Chipset
- CAS Latency: CL19
- Type: 288-Pin DDR4 SDRAM
- Rank: 2Rx8
- Model #: RES21300D8C2K64
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A-Tech 64GB Kit (2x32GB) RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC LRDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 2Rx4
- Parts: Lifetime
- Model #: NE-MAC-0067
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A-Tech 64GB Kit (4x16GB) 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: 2Rx8
- Parts: Lifetime
- Model #: NE-MAC-0055
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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
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A-Tech 64GB RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC LRDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 4Rx4
- Parts: Lifetime
- Model #: NE-MAC-0086
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A-Tech 64GB Kit (2x32GB) 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: 2Rx4
- Parts: Lifetime
- Model #: NE-MAC-0070
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A-Tech 32GB Kit (2x16GB) 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: 2Rx8
- Parts: Lifetime
- Model #: NE-MAC-0056
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A-Tech 8GB Kit (2x4GB) 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-0085
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A-Tech 32GB 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: 2Rx4
- Parts: Lifetime
- Model #: NE-MAC-0071
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A-Tech 32GB RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC LRDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 2Rx4
- Parts: Lifetime
- Model #: NE-MAC-0066
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A-Tech 64GB 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: 2S2Rx4 (4Rx4)
- Parts: Lifetime
- Model #: NE-MAC-0091
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A-Tech 32GB Kit (4x8GB) 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-0093
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A-Tech 256GB Kit (4x64GB) RAM for Apple iMac Pro (Late 2017) | DDR4 2666MHz PC4-21300 ECC LRDIMM 288-Pin Memory Upgrade
- Voltage: 1.20V
- Compatible System: Apple Mac Systems
- Rank: 4Rx4
- Parts: Lifetime
- Model #: NE-MAC-0087