Product comparison · 2 hardware firewalls

Zyxel Firewall USG FLEX vs Zyxel NSG50 hardware firewall

14specifications compared
9differ
5identical
27known for one product only

Key differences

The Zyxel Firewall USG FLEX has 0.38 Gbit/s more VPN throughput than the Zyxel NSG50 hardware firewall (0.45 Gbit/s vs 0.07 Gbit/s). The Zyxel Firewall USG FLEX has 4.43 BTU/h more heat dissipation than the Zyxel NSG50 hardware firewall (45.38 BTU/h vs 40.95 BTU/h). The Zyxel Firewall USG FLEX has 8 more VLANs than the Zyxel NSG50 hardware firewall (16 vs 8). VPN support: IKEv2, IPSec, SSL, L2TP/IPSec on the Zyxel Firewall USG FLEX, IPSec, L2TP over IPSec on the Zyxel NSG50 hardware firewall.

VPN throughput
- Firewall USG FLEX:0.45 Gbit/s
- NSG50 hardware firewall:0.07 Gbit/s
Heat dissipation
- Firewall USG FLEX:45.38 BTU/h
- NSG50 hardware firewall:40.95 BTU/h
Number of VLANs
- Firewall USG FLEX:16
- NSG50 hardware firewall:8
Weight
- Firewall USG FLEX:1.4 kg
- NSG50 hardware firewall:1.04 kg
Package width
- Firewall USG FLEX:427 mm
- NSG50 hardware firewall:276 mm
Package height
- Firewall USG FLEX:247 mm
- NSG50 hardware firewall:98 mm
Package depth
- Firewall USG FLEX:73 mm
- NSG50 hardware firewall:185 mm
VPN throughput
- Firewall USG FLEX:450 Mbit/s
- NSG50 hardware firewall:70 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of Firewall USG FLEX, NSG50
41 specifications	A Zyxel Firewall USG FLEX View product	B Zyxel NSG50 hardware firewall Model NSG50 View product
Data transmission1 differ
Firewall throughputKnown for one	1.8 Gbit/s	Unknown — not stated by the source
VPN throughputDiffers	0.45 Gbit/s	0.07 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
Performance1 differ
Heat dissipationDiffers	45.38 BTU/h	40.95 BTU/h
Mean time between failures (MTBF)Known for one	529688.2 h	Unknown — not stated by the source
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
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Security1 differ
Security algorithmsKnown for one	IPSEC, SSL/TLS	Unknown — not stated by the source
VPN supportDiffers	IKEv2, IPSec, SSL, L2TP/IPSec	IPSec, L2TP over IPSec
Firewall securityKnown for one	Unknown — not stated by the source	Yes
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	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	6	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
Designidentical
Built-in fanKnown for one	No	Unknown — not stated by the source
Poweridentical
Input currentKnown for one	2.5 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	13.3 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	12 W
Weight & dimensions1 differ
WidthKnown for one	272 mm	Unknown — not stated by the source
DepthKnown for one	187 mm	Unknown — not stated by the source
HeightKnown for one	36 mm	Unknown — not stated by the source
WeightDiffers	1.4 kg	1.04 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	216 x 143 x 33 mm
Packaging data3 differ
Package widthDiffers	427 mm	276 mm
Package heightDiffers	247 mm	98 mm
Package depthDiffers	73 mm	185 mm
Package weightKnown for one	Unknown — not stated by the source	1.41 kg
Other features1 differ
Firewall throughputKnown for one	1800 Mbit/s	Unknown — not stated by the source
VPN throughputDiffers	450 Mbit/s	70 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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