Product comparison · 2 hardware firewalls

Zyxel USG FLEX 50 vs Zyxel USG Flex 500

28specifications compared
22differ
6identical
30known for one product only

Key differences

The Zyxel USG Flex 500 has 1.95 Gbit/s more firewall throughput than the Zyxel USG FLEX 50 (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 USG FLEX 50 (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 USG FLEX 50 (82.23 BTU/h vs 40.92 BTU/h). Only the Zyxel USG Flex 500 has built-in fan. Weight: 880 g on the Zyxel USG FLEX 50, 1.65 kg on the Zyxel USG Flex 500.

Firewall throughput
- USG FLEX 50:0.35 Gbit/s
- USG Flex 500:2.3 Gbit/s
VPN throughput
- USG FLEX 50:0.09 Gbit/s
- USG Flex 500:0.81 Gbit/s
Heat dissipation
- USG FLEX 50:40.92 BTU/h
- USG Flex 500:82.23 BTU/h
Mean time between failures (MTBF)
- USG FLEX 50:655130 h
- USG Flex 500:529688 h
Concurrent SSL/VPN connections (maximum)
- USG FLEX 50:15
- USG Flex 500:150
VPN tunnels quantity
- USG FLEX 50:10
- USG Flex 500:300
Ethernet LAN (RJ-45) ports
- USG FLEX 50:4
- USG Flex 500:7
Built-in fan
- USG FLEX 50:No
- USG Flex 500:Yes

Side by side

Differences highlightedShow differences only

Comparison of USG FLEX 50, USG Flex 500
58 specifications	A Zyxel USG FLEX 50 View product	B Zyxel USG Flex 500 View product
Data transmission2 differ
Firewall throughputDiffers	0.35 Gbit/s	2.3 Gbit/s
VPN throughputDiffers	0.09 Gbit/s	0.81 Gbit/s
Maximum firewall connectionsKnown for one	20000	Unknown — not stated by the source
Performance2 differ
Built-in processorKnown for one	No	Unknown — not stated by the source
Heat dissipationDiffers	40.92 BTU/h	82.23 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	529688 h
Noise levelKnown for one	Unknown — not stated by the source	41.5 dB
Network2 differ
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)Differs	15	150
VPN tunnels quantityDiffers	10	300
Static routeKnown for one	Yes	Unknown — not stated by the source
Number of VPN connectionsKnown for one	Unknown — not stated by the source	500
Number of VLANsKnown for one	Unknown — not stated by the source	64
Security1 differ
Security algorithmsDiffers	3DES, 256-bit AES, DES, HTTPS, IPSec, MD5, SHA-1, SHA-2	IPSEC, SSL/TLS
DDoS protectionKnown for one	Yes	Unknown — not stated by the source
Firewall securityKnown for one	Yes	Unknown — not stated by the source
VPN supportKnown for one	Unknown — not stated by the source	IKEv2, IPSec, SSL, L2TP/IPSec
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
Web-based managementKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	4	7
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
WAN connectionKnown for one	Ethernet (RJ-45)	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
SFP module slots quantityKnown for one	Unknown — not stated by the source	1
Design1 differ
Built-in fanDiffers	No	Yes
Rack mountingKnown for one	Unknown — not stated by the source	Yes
Form factorKnown for one	Unknown — not stated by the source	1U
Power2 differ
Input currentDiffers	2.0 A	4.17 A
DC input voltageKnown for one	12 V	Unknown — not stated by the source
Power consumption (max)Differs	12 W	24.1 W
Certificates1 differ
CertificationDiffers	FCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI	DCC, CE, C-Tick, LVD
Weight & dimensions4 differ
WidthDiffers	216 mm	300 mm
DepthDiffers	143 mm	188 mm
HeightDiffers	33 mm	44 mm
WeightDiffers	880 g	1.65 kg
Packaging data4 differ
Package widthDiffers	276 mm	351 mm
Package heightDiffers	185 mm	152 mm
Package depthDiffers	98 mm	245 mm
Package weightDiffers	1.41 kg	2.83 kg
Packaging contentidentical
Cables includedKnown for one	LAN (RJ-45)	Unknown — not stated by the source
Rack mount kitKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	1 year UTM
Other features2 differ
Firewall throughputDiffers	350 Mbit/s	2300 Mbit/s
VPN throughputDiffers	90 Mbit/s	810 Mbit/s
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85176990

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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