Product comparison · 2 hardware firewalls

Zyxel USG Flex 100 vs Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s

13specifications compared
7differ
6identical
34known for one product only

Key differences

The Zyxel USG Flex 100 has 0.55 Gbit/s more firewall throughput than the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s (0.9 Gbit/s vs 0.35 Gbit/s). The Zyxel USG Flex 100 has 0.18 Gbit/s more VPN throughput than the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s (0.27 Gbit/s vs 0.09 Gbit/s). The Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s has 18.73 BTU/h more heat dissipation than the Zyxel USG Flex 100 (61.38 BTU/h vs 42.65 BTU/h). Weight: 850 g on the Zyxel USG Flex 100, 1.14 kg on the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s.

Firewall throughput
- USG Flex 100:0.9 Gbit/s
- USG20W-VPN hardware firewall 0.35 Gbit/s:0.35 Gbit/s
VPN throughput
- USG Flex 100:0.27 Gbit/s
- USG20W-VPN hardware firewall 0.35 Gbit/s:0.09 Gbit/s
Heat dissipation
- USG Flex 100:42.65 BTU/h
- USG20W-VPN hardware firewall 0.35 Gbit/s:61.38 BTU/h
Mean time between failures (MTBF)
- USG Flex 100:989810 h
- USG20W-VPN hardware firewall 0.35 Gbit/s:44000 h
Weight
- USG Flex 100:850 g
- USG20W-VPN hardware firewall 0.35 Gbit/s:1.14 kg
Firewall throughput
- USG Flex 100:900 Mbit/s
- USG20W-VPN hardware firewall 0.35 Gbit/s:350 Mbit/s
VPN throughput
- USG Flex 100:270 Mbit/s
- USG20W-VPN hardware firewall 0.35 Gbit/s:90 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of USG Flex 100, USG20W-VPN
47 specifications	A Zyxel USG Flex 100 View product	B Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s Model USG20W-VPN View product
Data transmission2 differ
Firewall throughputDiffers	0.9 Gbit/s	0.35 Gbit/s
VPN throughputDiffers	0.27 Gbit/s	0.09 Gbit/s
Performance2 differ
Heat dissipationDiffers	42.65 BTU/h	61.38 BTU/h
Mean time between failures (MTBF)Differs	989810 h	44000 h
Antenna gain level (max)Known for one	Unknown — not stated by the source	3 dBi
Antennas quantityKnown for one	Unknown — not stated by the source	3
Networkidentical
Number of VPN connectionsKnown for one	100	Unknown — not stated by the source
Concurrent SSL/VPN connections (maximum)Known for one	30	Unknown — not stated by the source
VPN tunnels quantityKnown for one	64	Unknown — not stated by the source
Number of VLANsKnown for one	8	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	1300 Mbit/s
Wi-Fi bandKnown for one	Unknown — not stated by the source	Dual-band (2.4 GHz / 5 GHz)
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 & interfacesidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	4	4
Console portKnown for one	RJ-45	Unknown — not stated by the source
WAN connection	Ethernet (RJ-45)	Ethernet (RJ-45)
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired & Wireless
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
SFP module slots quantityKnown for one	Unknown — not stated by the source	1
Designidentical
Built-in fanKnown for one	No	Unknown — not stated by the source
Poweridentical
Input currentKnown for one	2 A	Unknown — not stated by the source
Power consumption (max)Known for one	12.5 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	18 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	216 mm	Unknown — not stated by the source
DepthKnown for one	147.3 mm	Unknown — not stated by the source
HeightKnown for one	33 mm	Unknown — not stated by the source
WeightDiffers	850 g	1.14 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	216 x 143 x 33 mm
Packaging dataidentical
Package widthKnown for one	284 mm	Unknown — not stated by the source
Package heightKnown for one	190 mm	Unknown — not stated by the source
Package depthKnown for one	100 mm	Unknown — not stated by the source
Package weightKnown for one	1.4 kg	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85176990	Unknown — not stated by the source
Other features2 differ
Firewall throughputDiffers	900 Mbit/s	350 Mbit/s
VPN throughputDiffers	270 Mbit/s	90 Mbit/s
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	LAN (RJ-45), RS-232

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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