Product comparison · 2 hardware firewalls

Zyxel USG Flex 500 vs Zyxel USG20-VPN hardware firewall 0.35 Gbit/s

13specifications compared
8differ
5identical
33known for one product only

Key differences

The Zyxel USG Flex 500 has 1.95 Gbit/s more firewall throughput than the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s (2.3 Gbit/s vs 0.35 Gbit/s). The Zyxel USG Flex 500 has 0.72 Gbit/s more VPN throughput than the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s (0.81 Gbit/s vs 0.09 Gbit/s). The Zyxel USG Flex 500 has 41.31 BTU/h more heat dissipation than the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s (82.23 BTU/h vs 40.92 BTU/h).

Firewall throughput
- USG Flex 500:2.3 Gbit/s
- USG20-VPN hardware firewall 0.35 Gbit/s:0.35 Gbit/s
VPN throughput
- USG Flex 500:0.81 Gbit/s
- USG20-VPN hardware firewall 0.35 Gbit/s:0.09 Gbit/s
Heat dissipation
- USG Flex 500:82.23 BTU/h
- USG20-VPN hardware firewall 0.35 Gbit/s:40.92 BTU/h
Mean time between failures (MTBF)
- USG Flex 500:529688 h
- USG20-VPN hardware firewall 0.35 Gbit/s:44000 h
Ethernet LAN (RJ-45) ports
- USG Flex 500:7
- USG20-VPN hardware firewall 0.35 Gbit/s:4
Weight
- USG Flex 500:1.65 kg
- USG20-VPN hardware firewall 0.35 Gbit/s:1.05 kg
Firewall throughput
- USG Flex 500:2300 Mbit/s
- USG20-VPN hardware firewall 0.35 Gbit/s:350 Mbit/s
VPN throughput
- USG Flex 500:810 Mbit/s
- USG20-VPN hardware firewall 0.35 Gbit/s:90 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of USG Flex 500, USG20-VPN
46 specifications	A Zyxel USG Flex 500 View product	B Zyxel USG20-VPN hardware firewall 0.35 Gbit/s Model USG20-VPN View product
Data transmission2 differ
Firewall throughputDiffers	2.3 Gbit/s	0.35 Gbit/s
VPN throughputDiffers	0.81 Gbit/s	0.09 Gbit/s
Performance2 differ
Heat dissipationDiffers	82.23 BTU/h	40.92 BTU/h
Noise levelKnown for one	41.5 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	529688 h	44000 h
Networkidentical
Number of VPN connectionsKnown for one	500	Unknown — not stated by the source
Concurrent SSL/VPN connections (maximum)Known for one	150	Unknown — not stated by the source
VPN tunnels quantityKnown for one	300	Unknown — not stated by the source
Number of VLANsKnown for one	64	Unknown — not stated by the source
Securityidentical
Security algorithmsKnown for one	IPSEC, SSL/TLS	Unknown — not stated by the source
VPN supportKnown for one	IKEv2, IPSec, SSL, L2TP/IPSec	Unknown — not stated by the source
Management featuresidentical
URL filteringKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	7	4
Number of console portsKnown for one	1	Unknown — not stated by the source
SFP module slots quantity	1	1
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet DMZ ports quantityKnown for one	Unknown — not stated by the source	4
WAN connectionKnown for one	Unknown — not stated by the source	Ethernet (RJ-45)
Designidentical
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Form factorKnown for one	1U	Unknown — not stated by the source
Built-in fanKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Input currentKnown for one	4.17 A	Unknown — not stated by the source
Power consumption (max)Known for one	24.1 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	12 W
Certificatesidentical
CertificationKnown for one	DCC, CE, C-Tick, LVD	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-30 - 70 °C	-30 - 70 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	10 - 90%	10 - 90%
Weight & dimensions1 differ
WidthKnown for one	300 mm	Unknown — not stated by the source
DepthKnown for one	188 mm	Unknown — not stated by the source
HeightKnown for one	44 mm	Unknown — not stated by the source
WeightDiffers	1.65 kg	1.05 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	216 x 143 x 33 mm
Packaging dataidentical
Package widthKnown for one	351 mm	Unknown — not stated by the source
Package heightKnown for one	152 mm	Unknown — not stated by the source
Package depthKnown for one	245 mm	Unknown — not stated by the source
Package weightKnown for one	2.83 kg	Unknown — not stated by the source
Packaging contentidentical
Rack mount kitKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	1 year UTM	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	LAN (RJ-45), RS-232
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85176990	Unknown — not stated by the source
Other features2 differ
Firewall throughputDiffers	2300 Mbit/s	350 Mbit/s
VPN throughputDiffers	810 Mbit/s	90 Mbit/s

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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