SK Hynix 4GB DDR4 3200MHz laptop RAM
This is an original 4GB DDR4 SO-DIMM laptop memory module manufactured by SK Hynix (model: HMA851S6DJR6N-XN). It is an OEM (factory-fitted) RAM part commonly pre-installed in laptops by brands like HP, Dell, and Lenovo.
Key specifications:
- Capacity & Speed: 4GB running at 3200 MHz (PC4-3200AA)
- Form Factor: SO-DIMM (260-pin, standard laptop size)
- CAS Latency: CL22 (indicated by the 'AA' standard)
- Rank & Voltage: 1Rx16 (single rank), 1.2V low power consumption
- Manufactured: Week 11, 2021 (China)
Ideal for entry-level multitasking or as part of a dual-channel memory setup for daily computing.