General

Engineer's Note

This DDR3-1600 Registered ECC RDIMM is engineered for server platforms handling memory-intensive workloads such as virtualization and in-memory databases, where data integrity and uptime are critical. Its dual-rank x4 organization combined with 1.35V low-voltage operation delivers a balance of high-density memory bandwidth and energy efficiency, while the ECC and registered signal type ensure stable, error-corrected data transfers under heavy load scenarios.

Technical Specs & Insights

1. ECC protection actively detects and corrects memory errors, safeguarding transactional integrity for mission-critical database and financial workloads.
2. Registered signal buffering stabilizes command and address lines, enabling dense server configurations to scale RAM capacity without compromising signal integrity.
3. Dual Rank x4 organization interleaves memory accesses to saturate the channel, delivering predictable throughput under heavy virtualization consolidation.
4. Sixteen gigabyte capacity per module raises the memory footprint per node, directly increasing virtual machine density and enabling more tenants on the same hardware.
5. Low-voltage operation slashes datacenter energy draw and cooling demands, cutting total cost of ownership while maintaining enterprise-class reliability.

Why These Specs Matter

This Micron RDIMM is engineered for the server room, where downtime is not an option. The registered signal buffer stabilizes command and address lines across fully populated memory channels, which directly translates to flawless live migration in a dense virtualization cluster: you can pack more VMs onto a single host without risking signal degradation or boot failures. Meanwhile, ECC correction silently catches and fixes single-bit errors, a crucial line of defense for in-memory databases like SAP HANA or Redis. Just one uncorrected bit flip in a financial transaction can corrupt a whole dataset; ECC eliminates that risk before it hits your application. The dual-rank x4 organization interleaves memory banks, raising sustained bandwidth as multiple read requests are pipelined concurrently—your heavy analytical queries return results noticeably faster under load. Finally, operating at 1.35V instead of the standard 1.5V reduces power draw per DIMM. Across a fully scaled rack of servers running 24/7, that lower voltage cuts both electricity bills and cooling demands, directly improving your data center’s total cost of ownership while keeping memory temperatures in check.

Endurance & Reliability

General Virtualization
For a balanced virtualization host, deploy this 16 GB Registered DDR3L module in sets of four to populate quad-channel memory architectures, achieving 64 GB total. This configuration provides ample headroom for a moderate density of virtual machines while the low 1.35 V voltage reduces power draw and cooling requirements in a 24/7 data center environment. Pair identical dual-rank x4 RDIMMs to maximize bandwidth and ensure consistent memory access latency across all DIMM slots.

In-Memory Database
Capacity is critical, so fully populate all available memory channels with these 16 GB RDIMMs, targeting 128 GB or higher on a dual-socket server. The ECC and registered design guarantee data integrity under sustained full-load operation, while the 1600 MHz speed and CL11 latency deliver reliable performance for large datasets held entirely in RAM. Distribute modules evenly across all memory controllers to avoid bottlenecks and enable optimal interleaving.

High Performance Computing
For memory-bandwidth-bound HPC workloads, install six or eight identical 16 GB modules per CPU to leverage all memory channels fully. The dual-rank x4 organization and registered signaling maintain signal integrity at high densities, which is essential when scaling to 96 GB or 128 GB per node. This configuration supports parallel file system caching and simulation check-pointing with minimal ECC overhead, keeping compute cores fed with data.

Verified Compatibility

Rigorously tested, guaranteed compatible with Dell PowerEdge R720/R620, HP DL380p Gen8, Lenovo RD630, and more.

FAQ