Synology DS1621XS+ |
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PERFORMANCE:
Specs | Measure | DS1621xs+ |
---|---|---|
10GbE iSCSI Random IOPS 4KB | Read IOPS/Write IOPS | 169967 / 74646 |
1GbE Web Server PHP Response Efficiency | Responses per second | 64731 |
Aggregated 10GbE SMB Random IOPS 4KB | Read IOPS/Write IOPS | 132622 / 75114 |
Aggregated 10GbE SMB Sequential Throughput 64KB | Read MBs/Write MBs | 3128 / 1890 |
Aggregated 10GbE SMB Sequential Throughput via Encrypted Shared Folder 64KB | Read MBs/Write MBs | 2685 / 994 |
SSD Cache 10GbE iSCSI random access 4KB | Read IOPS/Write IOPS | 113957 / 84015 |
SSD Cache 10GbE SMB random access 4KB | Read IOPS/Write IOPS | 117203 / 84454 |
Specs | DS1621xs+ |
Specification:
Specs | Value |
---|---|
CPU-Model | Intel Xeon D-1527 |
CPU Architecture | 64-bit |
CPU Frequency | 4-core 2.2 (base) / 2.7 (turbo) GHz |
Hardware Encryption Engine (AES-NI) | |
System-memory | 8 GB DDR4 ECC SODIMM |
Memory Module Pre-installed | 8 GB (8 GB x 1) |
Total Memory Slots | 2 |
Maximum Memory Capacity | 32 GB (16 GB x 2) |
Notes | The specifications vary depending on system configuration and memory size. |
Drive Bays | 6 |
Maximum Drive Bays with Expansion Unit | 16 (DX517 x 2) |
M2-slots | 2 (NVMe) |
Maximum Single Volume Size* |
|
Hot Swappable Drive | |
RJ-45 1GbE LAN Port | 2 (with Link Aggregation / Failover support) |
RJ-45 10GbE LAN Port | 1 |
USB 3.0 Port | 3 |
eSATA Port | 2 |
PCIe Expansion | 1 x Gen3 x8 slot (x8 link) |
Internal Drives |
|
External Drives |
|
Size (Height x Width x Depth) | 166 mm x 282 mm x 243 mm |
Weight | 5.3 kg |
System Fan | 92 mm x 92 mm x 2 pcs |
Fan Speed Mode |
|
Easy Replacement System Fan | |
Brightness Adjustable Front LED Indicators | |
Power Recovery | |
Noise Level* | 25.2 dB(A) |
Scheduled Power On / Off | |
Wake on LAN / WAN | |
Power Supply Unit / Adapter | 250 W |
AC Input Power Voltage | 100 V to 240 V AC |
Power Frequency | 50/60 Hz, Single Phase |
Power-Consumption |
62.85 W (Access) 34.26 W (HDD Hibernation) |
British Thermal Unit |
214.45 BTU/hr (Access) 116.89 BTU/hr (HDD Hibernation) |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
Relative Humidity | 5% to 95% RH |
Certification |
|
Warranty | 5 Years |
Environment | RoHS Compliant |
Packaging Content |
|
Optional Accessories |
|
Maximum Internal Volume Number | 256 |
Maximum iSCSI Target Number | 256 |
Maximum iSCSI LUN | 512 |
iSCSI LUN Clone/Snapshot, Windows ODX | |
SSD Read / Write Cache (White Paper) | |
SSD TRIM | |
RAID Group | |
Supported RAID Type |
|
RAID Migration |
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Volume Expansion with Larger HDDs |
|
Volume Expansion by Adding a HDD |
|
Global Hot Spare Supported RAID Type |
|
File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
Maximum Concurrent CIFS/AFP/FTP Connections | 2,000 |
Windows Access Control List (ACL) Integration | |
NFS Kerberos Authentication | |
Maximum Local User Accounts | 16,000 |
Maximum Local Groups | 512 |
Maximum Shared Folder | 512 |
Maximum Shared Folder Sync Tasks | 32 |
Synology High Availability | |
Log Center | |
Syslog Events per Second | 1,500 |
VMware vSphere 6 with VAAI | |
Windows Server 2016 | |
Windows Server 2019 | |
Citrix Ready | |
OpenStack | |
Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
Supported Browsers |
|
Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 |
Antivirus by McAfee (Trial) | |
Central Management System | |
Synology Chat | |
Maximum Users | 2,900 |
Document Viewer | |
Download Station | |
Maximum Concurrent Download Tasks | 80 |
exFAT Access (Optional) | |
Synology MailPlus / MailPlus Server | |
Free Email Accounts | 5 (Licenses required for additional accounts) |
Maximum Number of Concurrent Users | 450 |
Maximum Server Performance | 3,363,000 emails per day, approx. 102GB |
Media Server | |
DLNA Compliance | |
Moments | |
Facial Recognition | |
Subject Recognition | |
Auto Color & Rotate | |
Moments Select | |
Snapshot Replication | |
Maximum Snapshots per Shared Folder | 1,024 |
Maximum of System Snapshots | 65,536 |
Surveillance Station | |
Maximum IP cam (Licenses required) | 75 (including 2 Free License) (See All Supported IP Cameras) |
Total FPS (H.264) |
2250 FPS @ 720p (1280x720) 1050 FPS @ 1080p (1920x1080) 600 FPS @ 3M (2048x1536) 400 FPS @ 5M (2591x1944) 280 FPS @ 4K (3840x2160) |
Total FPS (H.265) |
2250 FPS @ 720p (1280x720) 2250 FPS @ 1080p (1920x1080) 1125 FPS @ 3M (2048x1536) 700 FPS @ 5M (2591x1944) 490 FPS @ 4K (3840x2160) |
Synology Drive | |
Recommended Number of Hosted Files | 3,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
Recommended Number of Concurrent Sync Clients | 900 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
Synology Office | |
Video Station | |
Virtual Machine Manager | |
Recommended Virtual Machine Instances | 8 (Learn more) |
VPN Server | |
Maximum Connections | 40 |
Specs | Value |
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