| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |

FEATURES
4GB DDR4 ECC Memory - Improves system stability with automatic error correction
DDR4 Performance - Efficient memory operation for everyday NAS workloads
Unbuffered SODIMM Form Factor - Designed for compact Synology NAS platforms
Synology Certified Module - Tested and validated for full compatibility
Enhanced Data Integrity - Ideal for business-critical and always-on environments
Reliable Memory Upgrade - Perfect for supported Synology NAS systems
APPLIED MODELS
21 Series: RS1221RP+, RS1221+, DS1821+, DS1621+