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Silver 1U rackmount chassis with four front drive bays and blue power indicator

Synology Inc.

Synology Inc. RS1619xs+ 4-bay rackmount NAS 8GB DDR4 Xeon D-1527

SKU CH-FPE5-Q4TN4 MPN RS1619xs+

Four-bay 1U rackmount NAS with a 2.2 GHz quad-core Xeon D-1527, 8 GB DDR4 ECC memory expandable to 64 GB, dual M.2 2280 slots for NVMe or SATA SSD cache.

  • Port RJ-454 x 10/100/1000M
  • Port USB2 x USB3.0
  • HDD Interface4 x SATA (4 x Bay)
  • Form Factor4-Bay
  • ProcessorIntel Xeon D-1527 quad-core 2.2 GHz, Turbo Boost up to 2.7GH
  • Installed Memory8GB DDR4

Model RS1619xs+

Struck-through versions exist but are not stocked here.

  • Quad-core Xeon D-1527 at 2.2 GHz boosts multi-user workloads
  • 8 GB DDR4 ECC UDIMM expandable to 64 GB for data integrity
  • Dual M.2 2280 slots accept NVMe or SATA SSDs for cache acceleration
  • Four 1 GbE RJ-45 ports plus PCIe 3.0 for optional 10/25 GbE NIC
  • Scales to 16 drives with RX1217 expansion for up to 224 TB raw capacity

4-bay 1U rackmount NAS for growing businesses

The Synology RS1619xs+ is a diskless 1U rackmount NAS built around an Intel Xeon D-1527 quad-core processor running at 2.2 GHz with turbo up to 2.7 GHz. It ships with 8 GB of DDR4 ECC UDIMM memory, expandable to 64 GB across four slots. The platform targets organisations that need high-throughput file collaboration, virtualization or mail-server workloads in a compact rack footprint.

Four 10GbE-ready RJ-45 ports.

The chassis provides four Gigabit RJ-45 links, two USB 3.0 ports and four 3.5-inch SATA drive bays that also accept 2.5-inch SATA HDDs, 2.5-inch SATA SSDs and M.2 2280 NVMe or SATA SSDs. Dual built-in M.2 2280 slots enable SSD cache without occupying drive bays, while the PCIe 3.0 slot allows an optional 10GbE or 25GbE NIC for bandwidth-intensive environments. Power draw is 68.68 W during access and 34.78 W in HDD hibernation on 100–240 V AC.

Scales to 224 TB with RX1217 expansion

Attaching a Synology RX1217 or RX1217RP expansion unit grows raw capacity to 224 TB. The bundled DiskStation Manager OS delivers SMB, AFP, NFS, FTP, WebDAV, iSCSI, VPN and comprehensive backup, snapshot and virtualization tools. Sequential read performance exceeds 1,523 MB/s and iSCSI random read reaches 162,097 IOPS, supporting heavy multi-user workloads out of the box.

Highlights

  • Quad-core Xeon D-1527 at 2.2 GHz boosts multi-user workloads
  • 8 GB DDR4 ECC UDIMM expandable to 64 GB for data integrity
  • Dual M.2 2280 slots accept NVMe or SATA SSDs for cache acceleration
  • Four 1 GbE RJ-45 ports plus PCIe 3.0 for optional 10/25 GbE NIC
  • Scales to 16 drives with RX1217 expansion for up to 224 TB raw capacity

Specifications

BrandSynology
ModelRS1619xs+
Port RJ-454 x 10/100/1000M
Port USB2 x USB3.0
HDD Interface4 x SATA (4 x Bay)
Form Factor4-Bay
ProcessorIntel Xeon D-1527 quad-core 2.2 GHz, Turbo Boost up to 2.7GHz
Installed Memory8GB DDR4
Max Memory Capacity64GB
Memory Slot4
Included HDD CapacityDiskless System
Max Capacity72TB
Drive Compatibility3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe & SATA SSD
Supported ProtocolsSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP)
PowerAC input power voltage: 100V to 240V AC
Power frequency: 50/60 Hz, single phase
Power Consumption68.68 W (Access)
34.78 W (HDD Hibernation)
FeaturesPowerful 1U NAS for growing businesses, featuring a quad-core CPU with AES-NI and 8GB (up to 64GB) DDR4 ECC UDIMM
Built-in M.2 NVMe / SATA SSD slots for system cache support
Excellent performance of over 1,523 MB/s sequential reading and 162,097 iSCSI random read IOPS
Optional 10 GbE NIC support
Scalable up to 16 drives with Synology RX1217 / RX1217RP
Complete virtualization solution with Synology Virtual Machine Manager
UsageUltra high prerformance for large number of users
TemperatureOperating Temperature: 5 ~ 35 degree Celsius (-40 ~ 95 degree Fahrenheit)
Storage Temperature: -20 ~ 60 degree Celsius (-5 ~ 140 degree Fahrenheit)
Humidity5-95% R.H
Dimensions1.73" x 16.95" x 19.04"
1.73" x 18.90" x 20.42" (with server ears)
Weight17.99 lbs.
Package Contents1 x RS1619xs+ main unit
1 x Quick Installation Guide
1 x Accessory pack
2 x AC power cord
Shipping weight11.68 kg
Package size607 × 579 × 201 mm

Other versions of this model

4 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How fast can the four built-in Gigabit Ethernet ports move data in practice?

Each RJ-45 port runs at 10/100/1000M, so the practical ceiling is 1000 Mbps per port.

What drive sizes and form factors fit the four drive bays?

The bays accept 3.5" SATA HDDs, 2.5" SATA HDDs, 2.5" SATA SSDs and M.2 2280 NVMe or SATA SSDs.

How do I add the M.2 SSDs for cache and what step is often missed?

Insert the M.2 2280 drives into the two internal slots, then enable SSD cache in DSM; the step many miss is creating the cache volume after the hardware is seated.

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