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| Model | MT18KSF1G72AZ-1G4 |
|---|---|
| Product Type | Memory Module |
| Compliance Standards | RoHS |
| Memory Capacity | 8 GB |
| Memory Technology | DDR3 |
| Product Voltage | 1.35V |
| RAM Speed | 1333MHz |
| RAM Standard | DDR3-1333/PC3-10600 |
| Error Identifying | ECC |
| Signal Type | Unbuffered |
| Column Access Strobe (CAS) | CL9 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 240-pin |
| RAM Genre | UDIMM |
This DDR3-1333 UDIMM module features ECC error correction and a dual-rank x8 configuration, making it ideal for entry-level servers and small business NAS systems where data integrity and 24/7 stability are critical for light virtualization or memory-resident database caching. Its low 1.35V operating voltage reduces thermal load and power consumption, while the unbuffered design with CL9 latency delivers consistent, cost-effective reliability in platforms that require ECC without registered buffering.
1. ECC error correction safeguards transactional data integrity, preventing silent memory corruption in always-on server environments where accuracy is non-negotiable.
2. Eight gigabyte capacity establishes a dependable footprint for light virtualization and multi-tenant workloads, keeping more instances active without immediate scaling.
3. DDR3-1333 speed delivers steady memory bandwidth per channel, satisfying the throughput demands of routine database queries and back-office services without bottlenecking the CPU.
4. Dual Rank x8 organization interleaves memory accesses across internal banks, sustaining consistent system responsiveness when multiple server roles run simultaneously.
5. 1.35V low-voltage operation curbs overall power draw across a fleet, trimming cooling overhead and operational expenses in dense rack or microserver deployments.
The MT18KSF1G72AZ-1G4 is an 8GB DDR3-1333 UDIMM engineered specifically for entry-level servers and workstations where data integrity and energy efficiency converge. Its ECC functionality continuously corrects single-bit memory errors, a vital safeguard when you run a virtualization host—without it, a silent bit flip could crash multiple guest machines or silently corrupt a memory-resident database like Redis, leading to transaction losses and hours of forensic recovery. The unbuffered design and true CL9 latency eliminate the extra clock cycle imposed by registered modules, ensuring every microsecond is translated into faster real-time analytics throughput. As a dual-rank x8 module, it interleaves memory banks to sustain high bandwidth under mixed workloads, which means your VMs stay responsive even during peak consolidation. Finally, the 1.35V low-voltage operation cuts power draw and heat output substantially compared to legacy 1.5V memory, directly lowering cooling costs and extending hardware lifespan in your 24/7 server room. For the sysadmin balancing reliability, performance, and total cost of ownership, this module addresses exactly the pain points that impact daily operations.
Server Memory Capacity Planning Guide
This 8 GB DDR3L-1333 ECC Unbuffered DIMM (PC3-10600, 1.35 V) is designed for single-socket servers and small workstations. Typical platforms accept up to four such modules, capping total capacity at 32 GB. The recommendations below cover three common workload profiles.
General Virtualization
Populate channels in identical pairs to enable dual-channel mode. A four-module 32 GB kit fills all slots and comfortably supports 8–10 light VMs, balancing capacity with memory bandwidth. Always use matched, vendor-identical DIMMs to preserve end-to-end ECC integrity.
In-Memory Database
Maximize capacity by fully loading every DIMM slot for 32 GB, suited to small Redis, Memcached, or test SAP HANA instances. The dual-rank x8 organization improves bank-level parallelism, slightly boosting transaction throughput. The low 1.35 V supply reduces power and cooling costs in always-on database nodes.
High-Performance Computing
Deploy four identical modules to activate dual-channel interleaving, delivering the highest attainable bandwidth at 1333 MT/s. The low-voltage operation is critical for dense cluster deployments, and ECC safeguards against silent data corruption during long-running simulations. Standardize on one certified part number across all nodes.
Tested for compatibility with servers like Dell PowerEdge T20, R210 II, HP ProLiant MicroServer Gen8.
Q: Can I mix this MT18KSF1G72AZ-1G4 with other memory modules of different brands or speeds?
A: Mixing modules of different brands or speeds is not recommended. For mission‑critical server environments, identical part numbers ensure signal integrity and avoid stability issues.
Q: Is this memory compatible with my system?
A: It suits servers and workstations using Intel Xeon E3/E5 or AMD Opteron platforms that accept DDR3 ECC Unbuffered UDIMMs. Please verify your motherboard's qualified vendor list.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server board's manual. Typically, populate the farthest slot of each memory channel first, then balance across channels for maximum throughput and error correction efficiency.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC‑compliant server module without XMP. It operates strictly at DDR3‑1333 to guarantee ECC reliability and 24/7 stability in enterprise systems.
Q: What warranty and typical failure rate can I expect?
A: It includes a one‑year warranty. The module undergoes rigorous screening, resulting in an extremely low annualized failure rate suitable for sustained server workloads.