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A-Tech 128GB (2x64GB) 2S2Rx4 (4Rx4 3DS) PC4-21300R DDR4 2666 MHz ECC RDIMM Registered DIMM 288-Pin Quad Rank x4 3DS/TSV Server & Workstation RAM Memory Upgrade Kit
- 128GB Kit ( 2x 64GB Modules ) | DDR4 2666 MHz ( PC4-21300 / PC4-2666V-R ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 2S2Rx4 ( 4Rx4 Quad Rank x4 3DS/TSV ) | 1.2V - DDR4 Standard Voltage
- Compatible with DDR4 SERVERS and WORKSTATIONS only *NOT compatible with desktop or laptop computers* | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
- Boosts the performance of your server or workstation by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle greater workloads
- All modules undergo quality assurance testing to ensure dependable and reliable performance | Please refer to your system's manual for proper memory seating and channel guidelines
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
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Overview
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An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!
Designed for select Servers & Workstations compatible with DDR4 ECC REGISTERED memory (RAM) modules
Memory Specs
Memory Size: 128 GB Kit ( 2 x 64 GB Modules )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 / PC4-2666V-R )
ECC Type: ECC Registered RDIMM
Rank: 2S2Rx4 (4Rx4) ( QR x4 / Quad Rank x4 3DS/TSV )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Designed for select Servers & Workstations compatible with DDR4 ECC REGISTERED memory (RAM) modules
Memory Specs
Memory Size: 128 GB Kit ( 2 x 64 GB Modules )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2666 MHz ( PC4-21300 / PC4-2666V-R )
ECC Type: ECC Registered RDIMM
Rank: 2S2Rx4 (4Rx4) ( QR x4 / Quad Rank x4 3DS/TSV )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by A-Tech Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
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A-Tech 128GB DDR4-2666 ECC Registered DIMM kit includes two 64GB quad-rank 288-pin modules for DDR4 servers and workstations that support PC4-21300R memory. It is suited to compatible systems needing more memory capacity for demanding workloads.
Recommended For
- Server or workstation operators expanding memory for multiple virtual machines, large datasets, or other memory-heavy workloads—provided the system supports 64GB DDR4-2666 4Rx4 3DS RDIMMs.
- Administrators upgrading compatible DDR4 servers that need 128GB across two modules and can use the modules’ registered ECC memory.
- Owners of compatible DDR4 workstations that need higher memory capacity for professional workloads, after checking the workstation’s memory guide for 64GB 4Rx4 3DS RDIMM support.
Real-World Use Scenarios
- On a compatible virtualization host that is running low on memory, adding this 128GB kit can give active VMs more room to stay in memory, reducing reliance on slower memory reclamation or swapping when memory is the bottleneck.
- For a database server whose working set is constrained by RAM, the added capacity can let more frequently used data remain in memory, potentially reducing disk reads; the benefit depends on the database workload and system configuration.
- When processing large analytics datasets or other memory-intensive workloads on a compatible server or workstation, the added RAM can accommodate a larger active working set before the system needs to page data to storage.
- For a server consolidating several business services or cloud workloads, the extra memory can provide more headroom for concurrent applications, helping avoid memory pressure when RAM is the limiting resource.