Synology RS818+ 4 Bay NAS (2GB) 
CPU Model : Intel Atom C2538
-CPU Architecture : 64-bit
-CPU Frequency : Quad Core 2.4 GHz
-System Memory : 2 GB DDR3
-Memory Module Pre-installed : 2 GB (2 GB x 1)
-Total Memory Slots : 2
-Memory Expandable up to : 16 GB (8 GB x 2)
-Drive Bays : 4
-Maximum Drive Bays with Expansion Unit : 8
-Compatible Drive Type* : 3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
-Maximum Internal Raw Capacity : 56 TB (14 TB drive x 4) (Capacity may vary by RAID types)
-Maximum Raw Capacity with Expansion Units : 112 TB (56 TB + 14 TB drive x 4) (Capacity may vary by RAID types)
-Maximum Single Volume Size : 108 TB
-RJ-45 1GbE LAN Port : 4 (with Link Aggregation / Failover support)
-USB 3.0 Port : 2
-eSATA Port : 1
-PCIe Expansion : 1 x Gen2 x8 slot (x4 link)
Add-in-card support : PCIe Network Interface card M2D18 - Dual M.2 SATA SSD Adapter card for SSD cache

_Warranty : 3 years

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