Synology NAS Upgrade Guide
Maximize the performance and lifespan of your Synology NAS. Every upgrade option below is verified compatible.
Verified Specifications
| Drive Configurations | Current lineup (46 models): desktop DS925+/DS1525+/DS1825+/DS225+ + XS DS1823xs+/DS3622xs+; rackmount RS1221(RP)+/RS2423RP+II/RS2825RP+/RS3621xs; PAS7700 active-active (48 bays, to 216); FS all-flash (FS6400 240K IOPS); HD6500 60-bay |
| Specification Source | Synology official documentation (verified 2026-07-02) |
Frequently Asked Questions
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.
DS1522+ Synology Diskstation 5-BAY NAS
DS1525+ Synology 5-BAY Desktop Nas, AMD Ryzen R1600, 8GB
DS1621+ Synology Diskstation 6-BAY NAS
DS1821+ Synology Diskstation 8-BAY NAS
DS1823xs+ Synology 8-BAY Desktop Nas, Intel Xeon D-1531, 8GB ECC
DS2422+ Synology Diskstation 12-BAY NAS
Upgrade Accessories
Rails, bezels, cable management arms, and drive caddies keep your server organized and serviceable. Replacing worn accessories extends the physical life of your equipment.
FAN 40*40*28_2 Synology Replacement Fan 40X40X28MM
RKS-02 Synology Sliding Rail Kit
RKS1314 Synology Rail Kit
RKS1317 Synology Sliding Rail Kit for 1U/2U Rackstation
Upgrade Power Supplies
Higher-wattage PSUs provide headroom for future upgrades — more RAM DIMMs, GPUs, or additional drives. Redundant hot-swap PSUs also protect against single-point power failures.
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
SA3400 Synology 12-BAY Storage Appliance
Upgrade Caddy / Tray
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
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
FAN 80*80*20_2 Synology Replacement Fan 80X80X20MM GEN2
Upgrade SSD
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.
M2D17 Synology M.2 SSD Adapter Card (PCIe 2.0)
M2D18 Synology M.2 SSD Adapter Card (SATA + NVMe)
M2D20 Synology M.2 NVMe SSD Adapter Card (PCIe 3.0)
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
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
More Synology NAS Resources
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