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Hynix HMT31GR7BFR4C-H9D7-AC 8GB DDR3-1333MHz RDIMM 2Rx4 CL9 Memory
- 8GB DDR3 SDRAM
- Speed: 1333MHz (PC3-10600)
- Type: RDIMM (Registered DIMM)
- Configuration: 2Rx4 (Dual Rank, x4 Data Width)
- CAS Latency: CL9
- Voltage: 1.5V
- ECC (Error-Correcting Code) support
- Designed for servers and workstations
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Product Overview
The Hynix HMT31GR7BFR4C-H9D7-AC is an 8GB DDR3 RDIMM memory module. It operates at 1333MHz with a 2Rx4 configuration and CL9 timings.
Technical Information
| Product Type | Memory Module |
| Brand | Hynix |
| Part Number | HMT31GR7BFR4C-H9D7-AC |
| Capacity | 8GB |
| Memory Technology | DDR3 SDRAM |
Additional Specifications
| Form Factor | RDIMM |
| Speed | 1333MHz |
| Module Rank | 2Rx4 |
| CAS Latency | CL9 |
| Voltage | 1.5V |
Product Description
The Hynix HMT31GR7BFR4C-H9D7-AC is an 8GB DDR3 Registered DIMM (RDIMM) memory module, suitable for a wide range of server and workstation applications. It operates at a standard speed of 1333MHz (PC3-10600), providing reliable performance for everyday computing tasks and more demanding workloads. The module's 2Rx4 configuration indicates it is dual-ranked with a x4 data width per rank, a common setup that balances capacity and performance for many server memory controllers. As an RDIMM, this module includes an integrated register that buffers command and address signals. This buffering reduces the electrical load on the memory controller, enabling systems to support higher memory capacities and maintain stability, particularly in multi-processor configurations. The CAS Latency (CL) of 9 clock cycles is a standard timing for DDR3-1333, contributing to efficient data access. This Hynix memory module also features ECC (Error-Correcting Code) support. ECC memory is essential in server environments for its ability to detect and correct data errors, thereby enhancing system reliability and preventing data corruption. This makes the HMT31GR7BFR4C-H9D7-AC a dependable component for critical applications, ensuring data integrity and consistent system operation.



