Manufacturer: SK Hynix Part Number: HMA81GR7AFR8N-VK Capacity: 8GB per module (64GB total) Speed: DDR4-2666 (PC4-2666V) Condition & Return Policy These memory modules were removed from a working system approximately one year ago and have been stored since removal. They have not been recently tested due to lack of compatible hardware. Sold as used/untested. Please review all photos and verify compatibility with your system before purchasing. No returns accepted. Item sold as-is.