RS1221+​/​RS1221RP+ | RackStation RS1221+​/​RS1221RP+


  • Model: Synology RackStation RS1221+/RS1221RP+
  • CPU: AMD Ryzen V1500B quad-core
  • Memory: 4GB DDR4 ECC SO-DIMM (up to 32GB)
  • Storage: 8x 3.5"/2.5" SATA bays
  • Ports: 4x 1GbE, 2x USB 3.2 Gen 1, 1x eSATA
  • Dimensions: RS1221+: 482 x 306.6 x 44 mm; RS1221RP+: 482 x 407.5 x 44 mm
  • Weight: RS1221+: 6.9 kg; RS1221RP+: 8.4 kg (without drives)

RackStation RS1221+​/​RS1221RP+

Synology RackStation RS1221+/RS1221RP+

Performance and Processing

Powered by an AMD Ryzen V1500B quad-core processor (2.2 GHz), the RS1221+/RS1221RP+ delivers up to 2,315 MB/s sequential read and 1,147 MB/s sequential write, with over 100,000 4K random read IOPS. It includes 4GB DDR4 ECC RAM (expandable to 32GB). Users praise its 3.6x better compute performance than the RS1219+ but note fan noise (~40 dB under load). Ideal for file servers, backups, and virtualization.

Storage and Scalability

Features 8x 3.5"/2.5" SATA drive bays (drives sold separately), supporting RAID 0, 1, 5, 6, 10, JBOD, and Synology Hybrid RAID. Expandable to 12 bays with an RX418 unit. Supports NVMe/SATA SSD cache for 16x faster IOPS. Btrfs file system ensures data integrity. Users value flexibility but note high drive costs. Perfect for SMB storage needs.

Synology RackStation RS1221+/RS1221RP+
Synology RackStation RS1221+/RS1221RP+

Connectivity and Features

Includes 4x 1GbE, 2x USB 3.2 Gen 1, 1x eSATA, and 1x PCIe 3.0 x8 slot for 10GbE/25GbE cards. Supports Link Aggregation and failover. Certified for VMware vSphere, Microsoft Hyper-V, and Citrix. Features AES-NI encryption, Synology DSM OS, and High Availability clustering. The RS1221RP+ has dual 350W PSUs. Users note noisy fans but reliable performance. Ideal for compact rack deployments.

Synology RackStation RS1221+/RS1221RP+: All Features

CPU AMD Ryzen V1500B quad-core (2.2 GHz)
Memory 4GB DDR4 ECC SO-DIMM (expandable to 32GB)
Storage 8x 3.5"/2.5" SATA bays, expandable to 12 with RX418
RAID 0, 1, 5, 6, 10, JBOD, Synology Hybrid RAID
Connectivity 4x 1GbE, 2x USB 3.2 Gen 1, 1x eSATA, 1x PCIe 3.0 x8
Features Btrfs, AES-NI, Synology DSM, High Availability, virtualization support
Power RS1221+: 250W PSU; RS1221RP+: Dual 350W redundant PSUs
Warranty 3 years (extendable to 5 years)

Synology RackStation RS1221+/RS1221RP+: All Specifications

CPU AMD Ryzen V1500B quad-core (2.2 GHz, Zen architecture)
Memory 4GB DDR4 ECC SO-DIMM (2x slots, expandable to 32GB)
Storage 8x 3.5"/2.5" SATA HDD/SSD bays (drives sold separately)
Expansion 1x RX418 unit (up to 12 drives)
RAID Support RAID 0, 1, 5, 6, 10, JBOD, Synology Hybrid RAID
Performance 2,315 MB/s seq. read, 1,147 MB/s seq. write, 100K 4K random read IOPS
File System Btrfs, ext4
Ports 4x 1GbE RJ45, 2x USB 3.2 Gen 1, 1x eSATA
Expansion Slots 1x PCIe 3.0 x8 (x4 link) for 10GbE/25GbE cards
Virtualization VMware vSphere, Microsoft Hyper-V, Citrix XenServer, OpenStack, Kubernetes CSI
Max Users 1,800 accounts, 1,000 concurrent connections
Max Files 5,000,000 (Synology Drive)
Power Supply RS1221+: 250W; RS1221RP+: Dual 350W redundant (100–240V AC, 50/60 Hz)
Power Consumption RS1221+: 417.48W (access), 145.8W (HDD hibernation); RS1221RP+: 425.45W (access), 118.67W (HDD hibernation)
Cooling 2x 80mm fans (RS1221+); 3x 80mm fans (RS1221RP+)
Noise Level RS1221+: ~25.2 dB(A); RS1221RP+: ~40.1 dB(A)
Dimensions RS1221+: 482 x 306.6 x 44 mm; RS1221RP+: 482 x 407.5 x 44 mm
Weight RS1221+: 6.9 kg; RS1221RP+: 8.4 kg (without drives)
Certifications ECC, CE, EAC, Energy Star
Warranty 3 years (extendable to 5 years)
Software Synology DiskStation Manager (DSM)
Accessories RKS-02 rail kit (sold separately), Synology SATA drives, 10GbE/25GbE cards
Package Contents NAS, accessory pack, 1x (RS1221+) or 2x (RS1221RP+) power cords, quick start guide

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