Server 32GB DDR4 2933MHz PC4-23400 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Module (A-Tech Enterprise Series)

Worked perfectly in QNAP TS-h886. Dual channel, paired with another brand of dual channel 32gb sticks.

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I purchased the A-Tech Server 32GB Kit (2 x 16GB) for my workstation, and it has been a fantastic upgrade. The RAM sticks were well-packaged and easy to install, with no compatibility issues on my system. Performance-wise, they deliver exactly as advertised—fast, reliable, and stable operation at 2400MHz. Highly recommended!

Update: Called A-tech and had an RMA filed, they sent out the new ram and a return label for the old ram. I bought this ram for its uecc support since I was planning to use it in a ryzen homelab build. After 6 months, UECC reported an error as expected and corrected it. However, this was an idle system with a live-installer shell and it’s only going to get worse over time once it becomes a virtual host. I confirmed the error with memtest86, which showed ecc was supported and testing each stick and slot. Memtest86+ didn’t catch anything this time but I use both since sometimes one reports something the other missed. I am 6 months past my return so I hope the RMA process is easy. I’m not sure if the issue was always there or if it was recent since I didn’t have time until now to work on this setup and replaced a gigabyte motherboard with asus to get better uecc support since it can correct and report up to the kernel.

The modules I received were black instead of green like the picture showed, but this is better for me anyways. I bought these to replace some failing RAM and figured I would add ECC support since my CPU and mobo support it. I have a Ryzen 3800X with the Asrock x470 Gaming ITX/ac. These sticks work perfectly fine at 3200MHz, but I did have to clear my CMOS to get my machine to POST. I tested them fully with memtest86+ v7.0 without any issues. Highly recommend!

No issues with these modules. Worked great on my Opnsense Router Motherboard.

Las he colocado en un servidor que lo tengo encendido 24/7 y nunca he tenido problemas. Excelentes memorias RAM. tengo 7 meses sin apagar el servidor.

A-Tech price is good and this (2x32GB 2R8 UDIMM) one is compatible with my HPE Proliant Gen 10 Plus v2 desktop server (2 DIMM slots, max out at 64GB). It would have been better if A-Tech lists the exact part number on its website's compatibility list so that matching it to Amazon would be easier. The upgrade takes minutes.