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A-Tech 512GB (8x64GB) 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
- 512GB Kit ( 8x 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: 512 GB Kit ( 8 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: 512 GB Kit ( 8 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.
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The A-Tech 512GB DDR4-2666 ECC Registered DIMM kit includes eight 64GB modules for compatible DDR4 servers and workstations that need high memory capacity for demanding workloads; confirm your system supports 288-pin ECC RDIMM memory and this module configuration.
Recommended For
- Server operators running several virtual machines on a compatible DDR4 platform who need to allocate substantial memory across concurrent workloads; this kit supplies 512GB across eight registered DIMMs.
- Teams running memory-intensive databases or analytics on a supported server, where keeping a larger working set in RAM is relevant to the workload.
- Owners of a compatible DDR4 server or workstation looking to add 512GB using eight 64GB ECC registered 4Rx4 3DS modules, after checking the system’s supported DIMM type, capacity, speed, and population rules.
- Homelab builders upgrading a compatible server with eight DIMM slots for a larger virtualization or lab environment; one community member documented moving to 512GB with eight 64GB DDR4-2666 4Rx4 RDIMMs on a specific system.
Real-World Use Scenarios
- On a compatible DDR4 server nearing its memory limit, add RAM to a virtualization host so it can run more or larger virtual machines before memory pressure becomes a constraint; CPU, storage, and server configuration still matter.
- For a memory-constrained SQL Server, added RAM can give the database more room to cache frequently used data, potentially reducing disk reads; the benefit depends on whether memory is actually the bottleneck.
- For an in-memory analytics deployment such as SAP HANA, use added server memory to accommodate a larger working dataset in RAM, provided the server and software configuration support the workload.
- In a development or test server running several database virtual machines, additional memory can provide more room for each VM’s workload and reduce competition for host RAM when multiple tests run together.
















