Product comparison · 2 hardware firewalls

Zyxel Firewall USG FLEX vs Zyxel USG FLEX 100AX

23specifications compared
17differ
6identical
26known for one product only

Key differences

The Zyxel Firewall USG FLEX has 0.9 Gbit/s more firewall throughput than the Zyxel USG FLEX 100AX (1.8 Gbit/s vs 0.9 Gbit/s). The Zyxel Firewall USG FLEX has 0.18 Gbit/s more VPN throughput than the Zyxel USG FLEX 100AX (0.45 Gbit/s vs 0.27 Gbit/s). The Zyxel USG FLEX 100AX has 9.99 BTU/h more heat dissipation than the Zyxel Firewall USG FLEX (55.37 BTU/h vs 45.38 BTU/h). Storage temperature (T-T): -30 - 70 °C on the Zyxel Firewall USG FLEX, -40 - 70 °C on the Zyxel USG FLEX 100AX.

Firewall throughput
- Firewall USG FLEX:1.8 Gbit/s
- USG FLEX 100AX:0.9 Gbit/s
VPN throughput
- Firewall USG FLEX:0.45 Gbit/s
- USG FLEX 100AX:0.27 Gbit/s
Heat dissipation
- Firewall USG FLEX:45.38 BTU/h
- USG FLEX 100AX:55.37 BTU/h
Number of VLANs
- Firewall USG FLEX:16
- USG FLEX 100AX:8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- Firewall USG FLEX:2
- USG FLEX 100AX:1
Ethernet LAN (RJ-45) ports
- Firewall USG FLEX:6
- USG FLEX 100AX:4
Power consumption (max)
- Firewall USG FLEX:13.3 W
- USG FLEX 100AX:24.3 W
Storage temperature (T-T)
- Firewall USG FLEX:-30 - 70 °C
- USG FLEX 100AX:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of Firewall USG FLEX, USG FLEX 100AX
49 specifications	A Zyxel Firewall USG FLEX View product	B Zyxel USG FLEX 100AX View product
Data transmission2 differ
Firewall throughputDiffers	1.8 Gbit/s	0.9 Gbit/s
VPN throughputDiffers	0.45 Gbit/s	0.27 Gbit/s
IPSec VPN throughputKnown for one	100 Gbit/s	Unknown — not stated by the source
SSL performanceKnown for one	60 transactions/sec	Unknown — not stated by the source
IPS/IDS throughputKnown for one	Unknown — not stated by the source	540 Mbit/s
Performance1 differ
Heat dissipationDiffers	45.38 BTU/h	55.37 BTU/h
Mean time between failures (MTBF)Known for one	529688.2 h	Unknown — not stated by the source
Antenna designKnown for one	Unknown — not stated by the source	External
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	2
Detachable antenna(s)Known for one	Unknown — not stated by the source	Yes
Network1 differ
Concurrent SSL/VPN connections (default)Known for one	60	Unknown — not stated by the source
Concurrent SSL/VPN connections (maximum)Known for one	200	Unknown — not stated by the source
Active TCP connections (max)Known for one	600000	Unknown — not stated by the source
Number of VLANsDiffers	16	8
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
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 support	IKEv2, IPSec, SSL, L2TP/IPSec	IKEv2, IPSec, SSL, L2TP/IPSec
Management featuresidentical
URL filteringKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
Ethernet LAN (RJ-45) portsDiffers	6	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
Ethernet DMZ ports quantityKnown for one	4	Unknown — not stated by the source
SFP module slots quantityKnown for one	1	Unknown — not stated by the source
Connectivity technologyKnown for one	Unknown — not stated by the source	Wireless
WAN connectionKnown for one	Unknown — not stated by the source	Ethernet (RJ-45)
Designidentical
Built-in fanKnown for one	No	Unknown — not stated by the source
Power1 differ
Input current	2.5 A	2.5 A
DC input voltage	12 V	12 V
Power consumption (max)Differs	13.3 W	24.3 W
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)Differs	-30 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	10 - 90%	10 - 90%
Weight & dimensions4 differ
WidthDiffers	272 mm	216 mm
DepthDiffers	187 mm	149.3 mm
HeightDiffers	36 mm	33 mm
WeightDiffers	1.4 kg	1 kg
Packaging data3 differ
Package widthDiffers	427 mm	284 mm
Package heightDiffers	247 mm	190 mm
Package depthDiffers	73 mm	100 mm
Package weightKnown for one	Unknown — not stated by the source	1.53 kg
Other features2 differ
Firewall throughputDiffers	1800 Mbit/s	900 Mbit/s
VPN throughputDiffers	450 Mbit/s	270 Mbit/s
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	BSMI, CE, Federal Communications Commission (FCC), Low Voltage Directive (LVD)
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Power

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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