Synology DiskStation DS1821+ NAS Review
Chips and Internal Components
RAM Module that is included with DS1821+ is a 4Gb DDR4 module by Samsung K4A4G085WF-BCTD.
There are two PCIe Gen 3×2 to 5 SATA bridges by Jmicron JMB585 chip. These chips operate at a max 6Gb/s speed.
PWM and Voltage regulator for fan control is provided by Richtek RT3663BM chip.
Disc On Module has the Macronix MX30LF1G18AC-TI 1GB NAND flash memory.
The voltage regulator for the board is provided by Altera MAX V 5M240ZT100C5N.
Ethernet communications in DS1821+ are supported by the Realtek 8111HS chip. This chip provides 10/100/1000Mbps Ethernet speeds.
The power regulator for the drives is provided by Microchip PIC16F19197.
CPU of DS1821+ is by AMD Ryzen YE1500C4T4MFB. This processor has a TDP value of 16W and provides a CPU Base frequency of 2.2GHz. There are 4 CPU Cores and 8 threads with 2MB of L2 Cache and 4MB of L3 Cache. This CPU also supports Ethernet speeds up to two 10GBps connections.
