The Synology RackStation RS1221+ is a 8-bay NAS designed for small business use. It comes with 4GB DDR4 ECC of RAM and can be upgraded to 32GB DDR4 ECC. Powered by the AMD Ryzen V1500B processor, it offers reliable network-attached storage for file sharing, backups, and media streaming.
This guide covers complete RAM and storage compatibility for the Synology RackStation RS1221+, including upgrade options, maximum supported configurations, and recommended drives.
Specifications Overview
| Specification | Details |
|---|---|
| NAS Model | Synology RackStation RS1221+ |
| Brand | Synology |
| Drive Bays | 8 bays |
| Processor | AMD Ryzen V1500B |
| Default RAM | 4GB DDR4 ECC |
| Maximum RAM | 32GB DDR4 ECC |
| RAM Type | DDR4 ECC |
| RAM Slots | 2 |
| RAM Upgradeable | Yes |
| M.2 Slots | None |
| Ethernet | 4x 1GbE + 1x 10GbE upgrade slot |
| USB Ports | 2x USB 3.2 Gen 1 |
| Use Case | Small Business |
| Price Tier | Mid-Range |
Memory (RAM) Compatibility
The Synology RackStation RS1221+ ships with 4GB DDR4 ECC and supports a maximum of 32GB DDR4 ECC across 2 slots. Upgrading your NAS RAM can significantly improve performance for virtual machines, Docker containers, and simultaneous user access.
Recommended RAM Upgrades
| Module | Capacity | Price |
|---|---|---|
| Crucial ECC SODIMM | 4GB | Check Price |
| Crucial ECC SODIMM | 8GB | Check Price |
| Crucial ECC SODIMM | 16GB | Check Price |
Storage Compatibility
The Synology RackStation RS1221+ has 8 drive bays supporting 3.5″ SATA HDDs and 2.5″ SATA SSDs.
Recommended NAS Hard Drives
| Drive | Capacity | Price |
|---|---|---|
| Seagate IronWolf | 4TB | Check Price |
| Seagate IronWolf | 8TB | Check Price |
| WD Red Plus | 4TB | Check Price |
| WD Red Plus | 8TB | Check Price |
Network Connectivity
The Synology RackStation RS1221+ features 4x 1GbE + 1x 10GbE upgrade slot Ethernet and 2x USB 3.2 Gen 1 connectivity.
With high-speed Ethernet, this NAS can fully utilise fast NVMe cache drives and multiple concurrent connections.
Related Guides
Frequently Asked Questions
What is the maximum RAM for the Synology RackStation RS1221+?
The Synology RackStation RS1221+ supports a maximum of 32GB DDR4 ECC. It ships with 4GB DDR4 ECC by default.
How many drive bays does the Synology RackStation RS1221+ have?
The Synology RackStation RS1221+ has 8 drive bays supporting 3.5″ SATA HDDs and 2.5″ SATA SSDs.
Can I upgrade the RAM in the Synology RackStation RS1221+?
Yes, the RAM is user-upgradeable.
What hard drives work with the Synology RackStation RS1221+?
The Synology RackStation RS1221+ works with standard 3.5″ SATA HDDs. We recommend NAS-rated drives like the Seagate IronWolf or WD Red Plus.
Shop Compatible Upgrades at PCHub.UK
Prices updated automatically from PCHub.UK — click to view full specs and buy
Prices from PCHub.UK via ComputersDeal. As an affiliate, we may earn from qualifying purchases. Prices updated 2026-04-10 08:16:07.