Total Micro 8GB DDR4 SDRAM Memory Module 862974B21TM

The Total Micro 862974B21TM is an 8GB DDR4-2400 ECC desktop memory module for compatible systems that require ECC memory and support PC4-19200 speeds.

Recommended For

• Owners of an HPE ProLiant DL20 Gen9 or ML30 Gen9 seeking an 8GB ECC unbuffered DDR4-2400 DIMM replacement or expansion should check their server’s processor and memory configuration; HPE lists the matching 862974-B21 memory option for these systems.
• IT staff maintaining a supported legacy entry server who need to replace a failed 8GB module while retaining ECC error checking and the system’s existing memory configuration.
• Small-server operators adding a single 8GB DIMM to a compatible system with an available slot and a need for ECC unbuffered memory, rather than a higher-capacity memory upgrade.

Real-World Use Scenarios

• When a compatible HPE ProLiant Gen9 entry server is short on memory for everyday file sharing or small business services, adding this 8GB ECC module can provide more room for those workloads; the benefit depends on whether memory is the system’s bottleneck.
• For a small server running continuously, such as a home-lab host for a few lightweight services, ECC memory can correct certain single-bit memory errors; 8GB is a modest capacity, so it is not a fit for several memory-heavy virtual machines.
• If a compatible server reports a faulty memory module, replacing it with an 8GB ECC UDIMM may restore the intended memory configuration; confirm the server supports this module type and follow its slot-population rules.
• For a compatible ECC-capable workstation used for long-running professional tasks, this module can add memory while retaining ECC error correction; it does not guarantee that applications will avoid crashes or data loss.

Spec Summary