General

Engineer's Note

This DDR3-1333 ECC unbuffered DIMM is engineered for entry-level servers and single-socket workstations where data integrity is paramount, employing error-correcting code to detect and correct single-bit memory errors in critical environments. The dual-rank x8 organization improves interleaved memory access for steady bandwidth, making it particularly suitable for reliable virtualization, lightweight database applications, and business continuity workloads that leverage its registered-free signal path for compatible chipset stability.

Technical Specs & Insights

1. ECC error correction silently resolves single-bit faults in real time, preserving data accuracy for critical log-aggregation and light database roles where integrity is non-negotiable.
2. Unbuffered signal topology removes register delays, keeping memory access latency low for micro-services that demand fast, jitter-free responses.
3. Dual Rank x8 arrangement enables rank interleaving, amplifying sustained throughput to prevent bottlenecks during simultaneous backups and monitoring tasks.
4. 1333 MHz clock delivers 10.6 GB/s of peak bandwidth, comfortably supporting mid-density app hosting without saturating the memory bus.
5. CAS 9 timing tightens column access, accelerating small-block transactions that enhance OLTP query performance on entry-level server nodes.

Why These Specs Matter

Designed for entry-level servers and workstations, this DDR3 UDIMM with ECC turns memory from a potential liability into a pillar of dependability. The ECC engine continuously corrects single-bit errors, which is non-negotiable when you run a small business file server or a lightweight virtualization host where even one flipped bit can corrupt financial records or crash a customer-facing VM. Because it is unbuffered, the module eliminates the extra clock cycle of registered memory, delivering lower latency right where it matters most—accelerating cache lookups in a ZFS-based NAS or keeping response times snappy during multi-user database queries. The dual-rank x8 organization ensures that while one rank is being accessed, the other can prepare data, effectively boosting sustained bandwidth for real workloads such as concurrent 1080p media transcodes or continuous data replication between nodes. Operating at 1.5V with CL9 timing, it operates within a proven thermal envelope, allowing dense deployments in 1U chassis to stay cool without throttling. This combination of error correction, low-latency signaling, interleaved throughput, and predictable power draw means you can consolidate those four wall-powered microservers into one reliable platform, protecting your data integrity and maintaining seamless availability around the clock.

Endurance & Reliability

Memory type: Server DDR3 ECC unbuffered DIMM (UDIMM).

General Virtualization
Populate all DIMM slots with identical 4GB modules to maximise capacity. A typical single-socket server with four slots provides 16GB, comfortable for 4–5 light VMs. For denser consolidation, select an eight-slot board to reach 32GB; always fill every memory channel to sustain bandwidth and enable safe memory overcommitment.

In-Memory Database
Install one 4GB module per memory channel to utilise full bandwidth, delivering 16GB on a quad-channel platform—adequate only for small test datasets. Where the board supports two DIMMs per channel, install matched pairs to reach 32GB. Be aware that legacy 4GB density tightly caps in-memory dataset size for any production workload.

High-Performance Computing
Configure one dual-rank 4GB DIMM per channel to guarantee symmetric interleaving and consistent 1333MT/s CL9 latency. A four-channel HPC node therefore receives 16GB of uniformly addressed memory, eliminating bandwidth bottlenecks during parallel simulations. Never mix capacities; identical modules ensure deterministic, repeatable performance.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge T110 II, HP ProLiant MicroServer Gen8, Lenovo ThinkServer TS130.

FAQ