User's Manual

Chapter 1: Before You Start

Hardware Specication

Item RS1221+

Compatible Drive Type 3.5"/2.5" SATA x 8

Maximum Drive Bays with

Expansion Unit

12 (RX418 x 1)

External Port

• USB 3.2 Gen 1 x 2

• eSATA x 1

LAN Port 1GbE RJ-45 x 4

PCIe Slot Gen3 x8 slot (x4 link) x 1

Size (H x W x D) (mm)

• 88 x 430.5 x 297.6

• 88 x 482 x 306.6 (with server ears)

Weight (kg) 6.9

Supported Client

• Windows 7 onwards

• macOS 10.12 onwards

File System

• Internal: Btrfs, ext4

• External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT

Supported RAID Type

• Basic • JBOD • RAID 0 • RAID 1

• RAID 5 • RAID 6 • RAID 10

• Synology Hybrid RAID (2-Disk Fault Tolerance)

Agency Certication

• FCC Class A • CE Class A • BSMI Class A

• EAC • VCCI • CCC • RCM • KC • RoHS Compliant

HDD Hibernation Yes

Scheduled Power On/O󰀨 Yes

Wake on LAN Yes

Language Localization

Environment Requirement

• Line voltage: 100 V to 240 V AC

• Frequency: 50/60 Hz

• Operating Temperature: 32 to 95˚F (0 to 35˚C)

• Storage Temperature: -5 to 140˚F (-20 to 60˚C)

• Relative Humidity: 5% to 95% RH

Note: Model specications are subject to change without notice. Please refer to www.synology.com for the latest information.

Support for exFAT can be enabled by purchasing and downloading exFAT Access in Package Center.