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Samsung M393A1K43BB1-CTD 8GB DDR4 2666MHZ ECC REG 1RX8
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- Return for refund within: 30 days
- Return for replacement within: 30 days
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The Samsung M393A1K43BB1-CTD is an 8GB DDR4-2666 ECC registered DIMM for compatible servers and workstations that use 288-pin registered memory; verify platform support before upgrading.
Recommended For
- Server owners replacing a failed DIMM or adding memory to a system that specifically supports 8GB DDR4-2666 ECC registered RDIMMs; check the system’s compatibility list before buying.
- Homelab builders expanding a compatible DDR4 server in small increments, where an 8GB registered ECC module fits the motherboard and processor’s supported memory configuration.
- IT technicians maintaining supported server platforms that specify this exact Samsung part number; it is listed as compatible in some system-vendor memory lists.
Real-World Use Scenarios
- Adding memory to a compatible DDR4 RDIMM server that is short on RAM can provide extra headroom for its existing services; the benefit depends on the system’s total memory and workload.
- Expanding a small Proxmox host’s existing memory can leave more RAM for lightweight virtual machines and services, though this 8GB module alone does not determine how many guests it can run.
- Adding RAM to a compatible home server used for storage and other services can provide additional working memory; with ZFS, the usable benefit depends on the storage setup and total installed RAM.
- Replacing a failed or removed module in a compatible server can help restore its intended memory configuration; check the server’s supported DIMM type and population rules before installing it.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server systems requiring 8GB of DDR4 registered ECC memory |
| Capacity | 8GB |
| Memory Type And Form Factor | DDR4 SDRAM, 288-pin DIMM |
| Memory Speed | 2666 |
| Memory Configuration | ECC registered (REG), 1Rx8 rank |
| Electrical And Thermal | 1.20V; no heat spreader |
| Model Identifiers | Samsung M393A1K43BB1-CTD, DIMM series |