Synology RackStation RS1221RP+ 8-Bay NAS Enclosure
Enterprise-grade 8‑bay rackmount NAS featuring AMD Ryzen V1500B quad‑core CPU, 4 GB ECC DDR4 (expandable to 32 GB), redundant power supply, four Gigabit LAN ports, PCIe expansion, and up to 2,315 MB/s throughput.
Product Overview
The Synology RackStation RS1221RP+ is a business-ready 2U rackmount NAS offering enterprise reliability in a compact chassis. It delivers an AMD Ryzen V1500B quad-core processor (2.2 GHz), 4 GB ECC DDR4 memory (upgradeable to 32 GB), and eight hot-swappable SATA bays. With built-in redundant power supplies, four Gigabit Ethernet ports, and a PCIe Gen3 x8 (x4 electrical) slot for SSD cache or 10/25 GbE networking, it handles demanding workloads with high availability. Performance peaks at ~2,315 MB/s sequential read and supports over 100K random 4K IOPS. Compatible expansion via RX418 increases capacity to 12 bays.Synology
Key Features
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AMD Ryzen V1500B quad-core 2.2 GHz CPU with AES‑NI encryption.
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4 GB ECC DDR4 SODIMM installed; supports up to 32 GB (2×16 GB).
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Eight hot-swappable SATA HDD/SSD bays; expansion to 12 via RX418 unit.
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Dual 350 W redundant power supplies ensure uninterrupted service.
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Four Gigabit LAN ports with link aggregation & failover for resilient networking.
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PCIe Gen3 x8 expansion slot (x4 electrical) supports SSD cache or 10/25 GbE cards.
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High throughput performance: up to 2,315 MB/s sequential read and 100K+ 4K IOPS.
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Synology DSM features including snapshot replication, Btrfs file system, Active Backup, iSCSI, virtualization, and High Availability support.
Specs
| Specification | Details |
|---|---|
| CPU | AMD Ryzen V1500B quad-core 2.2 GHz |
| Memory | 4 GB ECC DDR4 (1×4 GB), supports up to 32 GB via two SODIMM slots |
| Drive Bays | 8 × hot-swappable 3.5″ or 2.5″ SATA HDD/SSD |
| Expansion Capacity | Up to 12 bays with RX418 expansion unit |
| Network Ports | 4 × Gigabit RJ‑45 with aggregation/failover |
| PCIe Slot | 1 × Gen3 x8 (electrical x4) for SSD cache or 10/25 GbE support |
| External Ports | 2 × USB 3.2 Gen 1; 1 × eSATA |
| RAID Levels | SHR, RAID 0/1/5/6/10, JBOD, Basic |
| File System | Internal: Btrfs, EXT4; External: Btrfs, EXT4/3, FAT, NTFS, HFS+, exFAT |
| Power Supply | Dual 350 W redundant units |
| Power Usage | ~62 W (access), ~30 W (hibernate) |
| Cooling / Noise Level | 2 × 80 mm fans; noise ~40 dB(A) |
| Dimensions | 88 × 482 × 407.5 mm (2U rack) |
| Weight | ~11.7 kg |
| Warranty | 3-year standard, extendable |
Why Choose This Product
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Enterprise-level reliability with redundant power, ECC memory, and Ryzen CPU, ideal for business continuity and uptime.
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High performance in a compact chassis: supports SSD caching and 10/25 GbE networking via PCIe for accelerated I/O and throughput.
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Future-proof scalability: expandable storage (up to 12 bays), virtualisation, snapshot-based protection, and RAID flexibility via DSM software.
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Built for dense rack environments: compact depth, efficient design, and built-in redundancy. Synology High Availability support ensures minimal downtime.
FAQs
Q1: What is the maximum memory supported?
Supports up to 32 GB ECC DDR4 via two SODIMM slots (4 GB pre-installed).
Q2: Can storage be expanded beyond eight bays?
Yes—adding an RX418 expansion unit increases total drive bays to 12.
Q3: Does it support SSD caching or 10 GbE upgrades?
Yes—via its PCIe Gen3 x8 slot (electrical x4), you can install NVMe/SATA cache or supported 10/25 GbE NICs.
Q4: Is the unit noisy?
Yes—represents ~40 dB(A) noise at 1 m, largely due to dual PSU fans. It is recommended for rack deployment or dedicated infrastructure.
Q5: Are power supply failures common?
Some users report PSU failures on RP models over time. Redundant supplies add uptime but may require warranty service or fan adjustments.
Q6: Is it suitable for virtualization and backups?
Absolutely. Supports high IOPS, snapshot replication, Active Backup for Business, iSCSI, and virtualization via Synology VMM integration.
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