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Hynix HMA81GU7AFR8N-UH 8GB DDR4-2400MHz UDIMM 1Rx8 CL17 Memory
- Capacity: 8GB
- Memory Type: DDR4 SDRAM
- Form Factor: UDIMM (Unbuffered DIMM)
- Speed: 2400MHz (PC4-19200)
- CAS Latency: CL17
- Rank: 1Rx8 (Single Rank x8)
- Voltage: 1.2V
- ECC: No (typically for UDIMMs)
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Product Overview
This Hynix HMA81GU7AFR8N-UH module is an 8GB DDR4 Unbuffered DIMM (UDIMM) memory stick. It operates at a speed of 2400MHz with a CAS Latency of 17, suitable for standard desktops and some entry-level servers. The 1Rx8 configuration denotes a single rank of memory chips, each with an 8-bit data width.
Technical Information
| Manufacturer | Hynix |
| Part Number | HMA81GU7AFR8N-UH |
| Memory Size | 8GB |
| Memory Technology | DDR4 SDRAM |
| Memory Speed | 2400MHz |
Additional Specifications
| Module Type | UDIMM |
| Rank | 1Rx8 |
| CAS Latency | CL17 |
| Voltage | 1.2V |
Product Description
The Hynix HMA81GU7AFR8N-UH is an 8GB DDR4 Unbuffered DIMM (UDIMM) memory module, engineered for standard computing platforms such as desktops and some entry-level servers. Operating at a frequency of 2400MHz, it delivers solid performance for everyday computing tasks and general business applications. Unlike Registered DIMMs (RDIMMs), UDIMMs do not have an onboard register, meaning command and address signals are passed directly to the memory chips. This makes them generally less expensive and suitable for systems where memory capacity and stability requirements are less stringent. The module's specifications include a 1Rx8 rank configuration, indicating a single rank of DRAM chips, each with an 8-bit data interface. This is a common configuration for mainstream memory modules. The CAS Latency (CL) is rated at 17, which represents the number of clock cycles required to access a specific column address. Combined with its 2400MHz speed, this CL17 rating provides a respectable balance between speed and latency for typical user workloads. This Hynix UDIMM operates at the standard DDR4 voltage of 1.2V, ensuring power efficiency. It is designed to be compatible with motherboards and processors that support DDR4 UDIMM memory. While UDIMMs typically do not support ECC functionality, they are a cost-effective and reliable choice for upgrading or populating memory in non-critical systems where maximum data integrity features are not a primary concern.
