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Hynix HMT351U7EFR8A-PBT0-AF 4GB DDR3-1600MHz UDIMM 2Rx8 CL11 Memory
- Capacity: 4GB
- Type: DDR3 SDRAM
- Form Factor: UDIMM (Unbuffered DIMM)
- Speed: 1600MHz
- CAS Latency: CL11
- Organization: 2Rx8
- ECC: No (typical for UDIMMs)
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Product Overview
The Hynix HMT351U7EFR8A-PBT0-AF is a 4GB DDR3 Unbuffered DIMM (UDIMM) memory module. It operates at 1600MHz with a CAS Latency of CL11, suitable for mainstream desktops and workstations. This module features a 2 ranks x 8 bits organization.
Technical Information
| Part Number | HMT351U7EFR8A-PBT0-AF |
| Capacity | 4GB |
| Memory Type | DDR3 SDRAM |
| Form Factor | UDIMM |
Additional Specifications
| Speed | 1600MHz |
| CAS Latency | CL11 |
| Rank | 2R |
| Organization | 2Rx8 |
Product Description
The Hynix HMT351U7EFR8A-PBT0-AF is a 4GB DDR3 Unbuffered DIMM (UDIMM) memory module designed for standard desktop computers and workstations. It operates at a higher frequency of 1600MHz, providing improved performance over slower DDR3 modules. The Unbuffered DIMM architecture directly connects the DRAM chips to the memory controller without an intermediate register, which is simpler and less expensive but typically limits the maximum memory capacity and speed achievable compared to RDIMMs. This module features a CAS Latency (CL) of 11, which is the number of clock cycles required to access a specific column in a row. The 2Rx8 organization indicates that the module has two ranks, and each rank is composed of DRAM chips with an 8-bit data width. This is a common configuration for mainstream memory modules, offering a good balance of capacity and performance for everyday computing tasks. Unlike Registered DIMMs (RDIMMs) commonly found in servers, Unbuffered DIMMs generally do not support ECC functionality. This makes them suitable for systems where data integrity is less critical or where ECC is not supported by the motherboard. The HMT351U7EFR8A-PBT0-AF is a standard memory upgrade option for compatible DDR3 systems seeking increased capacity and speed.
