Synology RS1221+ Upgrade Guide
Maximize the performance and lifespan of your Synology RS1221+. Every upgrade option below is verified compatible.
Upgrade Storage
Moving from spinning disk to SSD or NVMe storage provides the largest single performance improvement — often 10-50x faster I/O. Consider NVMe for boot drives and high-IOPS workloads.

DISK TRAY (TYPE D6) Synology Disk Tray Type D6

DISK TRAY (TYPE D7) Synology Disk Tray Type D7

DISK TRAY (TYPE R3) Synology Disk Tray Type R3

DISK TRAY (TYPE R7) Synology Disk Tray Type R7

DISK TRAY (TYPE R8) Synology Disk Tray Type R8

DX1222 Synology 12-BAY Expansion Unit
Upgrade Power & Cooling
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.

FAN 40*40*28_2 Synology Replacement Fan 40X40X28MM

PSU 100W_3 Synology 100W Replacement Power Supply Unit

PSU 250W_3 Synology 250W Replacement Power Supply Unit

PSU 250W_5 Synology 250W Power Supply Unit GEN5

PSU 500W-RP MODULE_2 Synology 500W Redundant Power Supply Module

PSU 500W-RP SET_2 Synology 500W Redundant Power Supply Set
Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.

E100G-F2 Synology DUAL-PORT 100GBE QSFP28 PCIe 3.0 X16 Network Card

E10G17-F2 Synology DUAL-PORT 10GBE SFP+ PCIe 3.0 X8 Network Card

E10G18-T1 Synology 10GBE RJ-45 PCIe Network Adapter Single Port

E10G18-T2 Synology 10GBE RJ-45 PCIe Network Adapter Dual Port

E10G21-F2 Synology 10GBE SFP+ PCIe Network Adapter Dual Port

E10G22-T1-Mini Synology 10GBE RJ-45 Network Upgrade Module
Upgrade Memory
Memory is the most impactful upgrade for virtualization and database workloads. Upgrading from 64GB to 128GB or 256GB can dramatically improve VM density and application response times.

D4ECSO-2400-16G Synology 16GB DDR4 ECC SO-DIMM 2400MHZ

D4ECSO-2666-16G Synology 16GB DDR4-2666 ECC SO-DIMM Memory

D4ER01-16G Synology 16GB DDR4 ECC Registered DIMM 2666MHZ GEN2

D4ER01-32G Synology 32GB DDR4-3200 ECC RDIMM Memory

D4ES01-16G Synology 16GB DDR4 ECC SO-DIMM 2666MHZ

D4ES01-4G Synology 4GB DDR4 ECC SO-DIMM 2666MHZ
More Synology RS1221+ Resources
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