Synology D4ES02-4G memory module 4 GB 1 x 4 GB DDR4 ECC

Warnings: Store in a dry place, away from heat and direct sunlight. | Warnings: Do not dispose of in normal waste. The product requires special disposal. | Warnings: Avoid direct contact with electronics to prevent electrostatic damage. | Buffered memory type: Unregistered (unbuffered) | Memory form factor: 260-pin SO-DIMM | Harmonized System (HS) code: 84733020 | Internal memory: 4 GB | ECC: Yes | Internal memory type: DDR4 | Component for: PC/Server | Memory layout (modules x size): 1 x 4 GB