General

Engineer's Note

This is a 64GB DDR4-2666 Registered ECC RDIMM built on a Quad Rank x4 configuration, ideally suited for enterprise servers and virtualization hosts where data integrity and high memory density are critical. Its registered signal type and ECC error correction ensure stable operation under heavy loads typical of in-memory databases and multi-tenant hypervisor environments, while the 1.2V low-voltage design helps reduce overall power consumption in dense rack deployments.

Technical Specs & Insights

1. With 64GB per module, servers can host significantly more virtual machines per node, boosting consolidation density and lowering cost per VM in private cloud deployments.
2. On-die ECC transparently corrects single-bit errors, preserving data integrity for transactional databases and preventing costly silent corruption.
3. Registered signal type re-buffers address and control lines, keeping command signaling clean and stable across fully populated memory channels in high-availability servers.
4. Quad Rank x4 organization packs high capacity into each DIMM, enabling in-memory analytics platforms to process larger datasets without sacrificing slot count.
5. 2666MHz throughput delivers consistent memory bandwidth for concurrent containerized workloads, ensuring predictable performance under heavy multi-tenant traffic.

Why These Specs Matter

This is server memory, specifically a DDR4 Registered DIMM with ECC, and its design speaks directly to the demands of enterprise infrastructure. In a dense virtualization cluster running dozens of virtual machines, that 64GB capacity and Registered signal buffer become critical. The register redrives address and command signals, stabilizing the electrical load so your hypervisor can populate all channels with high-density modules without signal degradation—meaning you can scale memory per host to consolidate more VMs safely, avoiding expensive server sprawl.

In an in-memory database like SAP HANA or Redis, the Quad Rank x4 organization and ECC are inseparable from business integrity. Quad Rank allows higher capacity on a single stick, maximizing slot utilization, while ECC continuously detects and corrects single-bit errors. For a financial transactions database processing millions of operations per second, a cosmic ray flipping a single bit in memory isn’t an edge case—it’s an eventual certainty. ECC silently prevents that corruption from becoming a miscalculated balance or a crashed instance, which directly protects revenue and trust. The 1.2V DDR4 low-voltage operation further cuts thermal output across fully-loaded servers, reducing cooling costs in 24/7 data centers. Simply put, this module transforms uptime and data fidelity from operational best-effort into hardware-enforced guarantees.

Endurance & Reliability

General Virtualization
This 64GB DDR4-2666 ECC Registered DIMM is ideal for dense virtualized environments. Populate all memory channels symmetrically—typically one or two modules per channel—to balance capacity and bandwidth while maintaining reliable multi-VM performance. Using multiple 64GB RDIMMs enables high consolidation ratios without sacrificing data integrity.

In-Memory Database
Large-capacity RDIMMs let you maximize total system memory for in-memory datasets, minimizing costly cross-node accesses. Install as many modules as your server supports, respecting rank limits per channel, to create a monolithic memory pool. ECC and registered buffering ensure the uptime and accuracy required by transactional databases.

High-Performance Computing (HPC)
Quad-rank x4 modules deliver bandwidth and capacity, but be mindful of potential speed reductions when fully populating channels. For bandwidth-bound workloads, fill each memory channel with at least one 64GB DIMM to sustain high throughput per core. If latency sensitivity is paramount, optimize population to operate at the rated 2666 MT/s with minimal rank contention.

Verified Compatibility

Tested and compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, and Lenovo ThinkSystem SR650.

FAQ