Supply No. 1 Package contents: 4 memory modules in plastic boxes, card reader, screwdriver. Advantages: 3 working modules. Disadvantages: 1 module is inoperative, not detected in the computer. Delivery: to Tomsk, 13 days. Note: This is 12 GB. The seller sent an additional module, but it was wrapped up at the border. I had to make a refund of some of the money. Delivery No. 2 Package contents: 2 memory modules in plastic boxes. Advantages: working modules. Disadvantages: none. Delivery: to Tomsk, 20 days. Note: the memory from Delivery # 1 is incompatible with the memory of Delivery # 2, errors appear in MemTest, the computer freezes. Separately, the memory works fine.
One of 4 RAM don't work. Has internal damage and seems to have soaked or broken memory!