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| Model | MT36LSDF12872G-133D1 |
|---|---|
| Product Type | Memory Module |
| Compliance Standards | RoHS |
| Memory Capacity | 1 GB |
| Product Voltage | 3.3V |
| RAM Speed | 133MHz |
| Error Identifying | ECC |
| Signal Type | Registered |
| Quantity of Pins | 168-pin |
| RAM Genre | DIMM |
This is a legacy server-grade ECC Registered DIMM engineered for platforms requiring data integrity under sustained loads, such as virtualization hosts and in-memory databases. Its registered signal topology ensures stable command/address signal delivery in high-density configurations, while integrated ECC provides single-bit error correction to safeguard critical transactional data.
1. ECC scrubs single-bit memory errors silently in the background, preserving data integrity for financial transaction logs and preventing silent corruption in long-running server workloads.
2. Registered command buffering stabilizes signal paths across fully populated memory banks, essential for scaling memory capacity in multi-socket virtualization hosts without sacrificing uptime.
3. One-gigabyte per module density suits dedicated appliance and light virtualization roles, striking a balance between enough headroom for containerized services and cost-efficient hardware consolidation.
4. The 133 MHz synchronous clock feeds consistent bandwidth to aging enterprise storage arrays and networking gear, keeping latency predictable under sustained I/O pressure.
5. Standard 3.3-volt operation ensures drop-in compatibility with legacy server power architectures while maintaining clean thermal margins inside densely packed rack chassis.
In a server environment, every bit of data matters, and the MT36LSDF12872G-133D1 module is engineered to safeguard it. As a 168-pin registered ECC DIMM, it directly addresses the critical pain points of legacy enterprise systems. For a virtualization cluster running multiple VMs on a single host, the ECC feature actively detects and corrects single-bit memory errors caused by background radiation. This means a flipped bit won't silently corrupt a virtual disk file or crash a production database, keeping your services running and protecting data integrity around the clock. When you scale up memory capacity, the registered buffer stabilizes the command and address signals across all installed modules, preventing signal degradation that can cause random lockups in dense memory configurations—a must-have when you populate all slots to support memory-hungry in-memory databases like Redis or SAP HANA. For these applications, data is not just stored in RAM; it is the primary working set. A parity error could mean a miscalculated financial transaction or a lost cache node. This module ensures that your aging but mission-critical infrastructure maintains rock-solid reliability, directly translating to fewer unscheduled downtimes and a lower total cost of ownership.
Server Memory Identification
This 168-pin, 1 GB, 133 MHz Registered ECC SDRAM DIMM is a legacy server module. Capacity planning must reflect extreme constraints in capacity and bandwidth.
General Virtualization
Populate every DIMM slot symmetrically—typically 16 or 32 modules—to reach the platform’s maximum 16–32 GB. Use identical 1 GB registered DIMMs in each channel to enable interleaving. Even fully loaded, the system supports only a few lightweight legacy VMs; modern hypervisors are not feasible. Reserve this configuration solely for retro test labs.
In-Memory Database
Fill all memory banks to the system ceiling, but total capacity will not exceed 32 GB, and the 133 MHz bandwidth creates a severe bottleneck. Modern in-memory databases demand 128 GB or more, making these modules obsolete. A complete migration to high-density DDR4 or DDR5 ECC RDIMMs is mandatory.
High-Performance Computing
HPC nodes require high throughput and large capacities. Populating all channels with 1 GB registered ECC modules delivers neither. They can only serve legacy instrument controllers. Plan an immediate transition to modern LRDIMM or RDIMM architectures for any computational workload.
Rigorously tested server memory, compatible with Dell PowerEdge 2400, HP ProLiant ML370 G1, IBM xSeries 200.
Q: Can I mix this MT36LSDF12872G-133D1 with other memory modules of different brands or speeds?
A: Mixing is strongly discouraged. This 1GB Registered ECC DIMM requires identical ranks and timing for server stability. Mismatched modules can cause POST failures or data integrity errors.
Q: Is this memory compatible with my server? Which Intel or AMD platforms support it?
A: It fits legacy servers with 168-pin SDRAM slots, usually supporting Intel 440BX/GX or AMD 750 chipset-era platforms. Verify your board supports Registered ECC at 3.3V and 133MHz.
Q: What is the recommended DIMM population order for optimal performance on my server board?
A: Populate banks starting from the primary slot (often DIMM 1) with identical modules. Registered DIMMs typically require pairs; follow your server’s technical manual to match memory bank groups.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a server-grade Registered ECC SDRAM module locked to JEDEC standard 133MHz operation. Overclocking or XMP is not supported and would compromise stability and data protection.
Q: What warranty and typical failure rate can I expect on this module?
A: It includes a 1-year warranty. With proper ECC protection and thermal conditions, the annualized failure rate (AFR) is typically below 0.5% in qualified server environments.