Synology D4ES01-8G memory module 8 GB 1 x 8 GB DDR4 ECC

Compatible products: 21 series:RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+ | Memory layout (modules x size): 1 x 8 GB | Internal memory: 8 GB | ECC: Yes | Memory form factor: 260-pin SO-DIMM | Buffered memory type: Unregistered (unbuffered) | Internal memory type: DDR4 | Harmonized System (HS) code: 84733020 | Warnings: Avoid direct contact with electronics to prevent electrostatic damage. | 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.