DS218+ vs DS220+ & DS420+

What is different?

How does it look in a table?

Model	DS218+ check price UK USA	DS220+ check price UK USA	DS420+ check price UK USA
CPU	Intel Celeron J3355 dual-core 2.0 GHz, burst up to 2.5 GHz	Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz 4 MB Cache	Intel Celeron J4025 2-core 2.0 GHz, burst up to 2.9 GHz
Benchmark	1313	1825	1825
GPU	Intel® HD Graphics 500 250 – 750 MHz (8GB)	Intel® UHD Graphics 600 (250 – 750 MHz (8GB))	Intel® UHD Graphics 600 (250 – 750 MHz (8GB))
RAM	1X 2 GB DDR3L (expandable up to 6 GB)	1X 2 GB DDR4 (expandable up to 6 GB) 2400 MT/s	1X 2 GB DDR4 (expandable up to 6 GB) 2400 MT/s
RAM slots	2X	2X	2X
Cache	NO	NO	2 x M.2 2280 NVMe SSD (drives not included)
External port	• 3 x USB 3.0 port • 1 x eSATA port	• 2 x USB 3.0 port	• 2 x USB 3.0 port
LAN	1 x Gigabit (RJ-45)	2 X Gigabit (RJ-45)	2 X Gigabit (RJ-45)
Hardware encryption engine	Yes (AES-NI)	Yes (AES-NI)	Yes (AES-NI)
Power	17.23W	14.96W accessing / 4.41W Hybernate	28.30W accessing / 8.45W Hybernate
Codec h264	Decode / Encode	Decode / Encode	Decode / Encode
Codec h265 8bit	Decode / Encode	Decode	Decode
Codec h265 10bit	Decode	NO	NO
Codec VP8	Decode / Encode	Decode / Encode	Decode / Encode
Codec VP9	Decode	Decode / Encode	Decode / Encode
Codec VC-1	Decode	Decode	Decode
Codec AVC	Decode / Encode	Decode / Encode	Decode / Encode