Product comparison · 2 hardware firewalls

Zyxel USG FLEX 50 vs Zyxel USG20-VPN hardware firewall 0.35 Gbit/s

16specifications compared
3differ
13identical
35known for one product only

Key differences

The Zyxel USG FLEX 50 has 611,130 h more mean time between failures (MTBF) than the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s (655130 h vs 44000 h). Weight: 880 g on the Zyxel USG FLEX 50, 1.05 kg on the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s. Cables included: LAN (RJ-45) on the Zyxel USG FLEX 50, LAN (RJ-45), RS-232 on the Zyxel USG20-VPN hardware firewall 0.35 Gbit/s.

Mean time between failures (MTBF)
- USG FLEX 50:655130 h
- USG20-VPN hardware firewall 0.35 Gbit/s:44000 h
Weight
- USG FLEX 50:880 g
- USG20-VPN hardware firewall 0.35 Gbit/s:1.05 kg
Cables included
- USG FLEX 50:LAN (RJ-45)
- USG20-VPN hardware firewall 0.35 Gbit/s:LAN (RJ-45), RS-232

Side by side

Differences highlightedShow differences only

Comparison of USG FLEX 50, USG20-VPN
51 specifications	A Zyxel USG FLEX 50 View product	B Zyxel USG20-VPN hardware firewall 0.35 Gbit/s Model USG20-VPN View product
Data transmissionidentical
Firewall throughput	0.35 Gbit/s	0.35 Gbit/s
VPN throughput	0.09 Gbit/s	0.09 Gbit/s
Maximum firewall connectionsKnown for one	20000	Unknown — not stated by the source
Performance1 differ
Built-in processorKnown for one	No	Unknown — not stated by the source
Heat dissipation	40.92 BTU/h	40.92 BTU/h
Concurrent usersKnown for one	15 user(s)	Unknown — not stated by the source
SyslogKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	655130 h	44000 h
Networkidentical
Wi-FiKnown for one	No	Unknown — not stated by the source
Concurrent SSL/VPN connections (default)Known for one	5	Unknown — not stated by the source
Concurrent SSL/VPN connections (maximum)Known for one	15	Unknown — not stated by the source
VPN tunnels quantityKnown for one	10	Unknown — not stated by the source
Static routeKnown for one	Yes	Unknown — not stated by the source
Securityidentical
Security algorithmsKnown for one	3DES, 256-bit AES, DES, HTTPS, IPSec, MD5, SHA-1, SHA-2	Unknown — not stated by the source
DDoS protectionKnown for one	Yes	Unknown — not stated by the source
Firewall securityKnown for one	Yes	Unknown — not stated by the source
Protocolsidentical
Management protocolsKnown for one	SNMP v1, v2c, v3	Unknown — not stated by the source
Management featuresidentical
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
URL filteringKnown for one	Yes	Unknown — not stated by the source
Web-based managementKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
Connectivity technology	Wired	Wired
USB 2.0 ports quantity	1	1
Ethernet LAN (RJ-45) ports	4	4
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Number of console portsKnown for one	1	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
WAN connection	Ethernet (RJ-45)	Ethernet (RJ-45)
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	2.0 A	Unknown — not stated by the source
DC input voltageKnown for one	12 V	Unknown — not stated by the source
Power consumption (max)Known for one	12 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	FCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI	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	143 mm	Unknown — not stated by the source
HeightKnown for one	33 mm	Unknown — not stated by the source
WeightDiffers	880 g	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	276 mm	Unknown — not stated by the source
Package heightKnown for one	185 mm	Unknown — not stated by the source
Package depthKnown for one	98 mm	Unknown — not stated by the source
Package weightKnown for one	1.41 kg	Unknown — not stated by the source
Packaging content1 differ
Cables includedDiffers	LAN (RJ-45)	LAN (RJ-45), RS-232
Other featuresidentical
Firewall throughput	350 Mbit/s	350 Mbit/s
VPN throughput	90 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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