Applied Models

Supports creating volumes across different units

FS series:FS6400, FS3600, FS3400

Notes

Expansion Unit FX2421 can only be used with identical expansion units.
To have better performance, we recommend creating storage volumes physically located within the same NAS or Expansion Unit, rather than creating volumes across your NAS and Expansion Unit.
DSM version requirement: 6.2.3-25426-2 or later version.

Storage

Drive Bays

24

Drive Type (See all supported drives)

2.5" SAS HDD
2.5" SAS SSD
2.5" SATA SSD

Hot Swappable Drive*

✓

RAID Management through Synology DSM

✓

Notes

Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
Compatible drive type indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

External Ports

SAS IN-port

1

SAS OUT-port

1

Appearance

Size (Height x Width x Depth)

88 mm x 430.5 mm x 692 mm

Size (Height x Width x Depth) (with server ears)

88 mm x 482 mm x 724 mm

Weight

14.5 kg

Rack Installation Support*

4-post 19" rack (Synology Rail Kit - RKS-02)

Notes

The rail kit is sold separately

Power

Power Supply Unit / Adapter

500 W

AC Input Power Voltage

100V to 240V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption

190.99 W (Access)

British Thermal Unit

651.68 BTU/hr (Access)

Redundant Power Supply

✓

Notes

Power consumption is measured when it is fully loaded with HGST 1.8TB HUC101818CS4204 hard drive(s).

Temperature

Operating Temperature

0°C to 35°C (32°F to 95°F)

Storage Temperature

-20°C to 60°C (-5°F to 140°F)

Operating Humidity

8% to 80% RH

Storage Humidity

5% to 95% RH

Others

System Fan

80 mm x 80 mm x 4 pcs

Easy Replacement System Fan

✓

Noise Level*

57 dB(A)

Notes

Noise Level Testing Environment: Fully loaded with Toshiba 600GB AL14SEB060N hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Certification

Certification

UL
FCC
CE
EAC
VCCI
RCM
KC

Warranty

Warranty

5 Years

Notes

The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

Environment

RoHS Compliant

Packaging Content

Packaging Content

Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Expansion Cable: MiniSAS-HD X 1
Quick Installation Guide X 1

Optional Accessories

Optional Accessories

Enterprise Series 2.5" SATA SSD: SAT5200 Series
Rail Kit Sliding: RKS-02