Item: SK Hynix 8GB Laptop RAM Memory Module Format: SODIMM (Laptop Size) Memory Type: DDR4 Capacity: 8GB (1Rx16 architecture) Speed: 2400MHz / PC4-2400T-SA1-11 Model: HMA81GS6AFR8N-UH NO AC Condition: Used / Excellent condition. Cleanly pulled from a working system. The green PCB and gold connecting pins are entirely scratch-free and clean. Perfect, affordable upgrade for laptops running sluggishly on 4GB of RAM. Will be dispatched securely in protective packaging.