Specification Sheet

Synology DiskStation DS918+ is a 4-bay NAS designed for small and medium-sized businesses and IT
enthusiasts. Powered by a new quad-core processor, DS918+ provides outstanding performance and data
encryption acceleration along with real-time transcoding of 4K Ultra HD source contents. Synology DS918+
is backed by Synology’s 3-year limited warranty.
DiskStation
DS918+
Highlights
Powerful and scalable 4-bay NAS for
growing businesses
Encrypted sequential throughput at
over 225 MB/s reading and 221 MB/s
writing
1
Quad-core processor with AES-NI
hardware encryption engine
4GB DDR3L-1866 memory, expandable
up to 8GB
Dedicated M.2 NVMe SSD slots for
system cache support
Dual 1GbE LAN with failover and Link
Aggregation support
Scalable up to 9 drives with Synology
DX517
2
Advanced Btrfs le system oering
65,000 system-wide snapshots and
1,024 snapshots per shared folder
Dual-channel H.265/H.264 4K video
transcoding on the y
3
High-speed Scalable Storage Server
Synology DS918+ is a 4-bay network attached storage solution equipped with a
quad-core processor and 4GB DDR3L memory (expandable up to 8GB). With Link
Aggregation enabled, DS918+ delivers great sequential throughput performance at
over 226 MB/s reading and 222 MB/s writing
1
. With AES-NI hardware accelerated
encryption, DS918+ delivers encrypted data throughput at over 225 MB/s reading
and 221 MB/s writing
1
. DS918+ newly supports M.2 NVMe 2280 SSDs, allowing fast
system cache creation without occupying internal drive bays.
DS918+ can support up to 9 drives when connected to one Synology DX517 expansion
unit. Storage capacity can be expanded according to your business needs with minimal
eort.
Btrfs: Next Generation Storage Eciency
DS918+ introduces the Btrfs le system, bringing the most advanced storage
technologies to meet the management needs of modern businesses:
Built-in data integrity check detects data and le system corruption with data and
meta-data checksums and improves the overall stability.
Flexible Shared Folder/User Quota System provides comprehensive quota control
over all user accounts and shared folders.
Advanced snapshot technology with customizable backup schedule allows up to
1,024 copies of shared folder backups in a minimum 5-minute interval without
occupying huge storage capacity and system resources.
File or folder level data restoration brings huge conveniences and saves time for users
who wish to restore only a specic le or folder.
File self-healing: Btrfs le system can auto-detect corrupted les with mirrored
metadata, and recover broken data using the supported RAID volumes, which include
RAID1, 5, 6, and 10.

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