HPE P12777-B21 – 64 GB DDR4-2933 LRDIMM (4Rx4) Memory Kit

HPE P12777-B21 is a high-capacity, enterprise-grade memory kit featuring 64 GB DDR4-2933 MHz RAM in 4Rx4 LRDIMM configuration.

Designed for HPE servers and other compatible platforms, it delivers exceptional memory bandwidth, stability, and scalability — ideal for virtualization, cloud infrastructure, large databases, and memory-intensive computations.

As an LRDIMM (Load-Reduced DIMM), this module reduces electrical load on the memory bus, enabling higher memory density and enhanced stability even under heavy workloads or full-capacity memory configurations.

With ECC (Error-Correcting Code) support, it also ensures data integrity and reduces the risk of memory-related errors — essential for mission-critical environments.

Because it’s brand new and factory-sealed, the kit is ready for immediate deployment, offering reliability and long-term performance for enterprise-grade servers and systems.

FAQ For HPE P12777-B21

Q1: What does LRDIMM mean, and why choose it?

A1: LRDIMM (Load-Reduced DIMM) uses a buffer to reduce electrical load on the memory bus, allowing higher memory capacities and better signal integrity — ideal for servers with multiple DIMMs.

Q2: Is this module ECC-enabled?

A2: Yes — it supports ECC, which detects and corrects memory errors to ensure data integrity and system stability.

Q3: What systems is this memory compatible with?

A3: HPE servers and any server motherboard that supports DDR4-2933 ECC LRDIMM 288-pin modules.

Q4: Can this be used in a standard desktop PC?

A4: Unlikely — desktops usually do not support LRDIMM modules; they require standard UDIMM or non-ECC memory.

Q5: What workloads benefit most from this memory kit?

A5: Virtualization hosts, database servers, high-performance computing, data analytics, and large memory footprint applications.