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Product comparison · 2 hardware firewalls

Zyxel USG FLEX 50AX vs Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s

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  • 18specifications compared
  • 6differ
  • 12identical
  • 37known for one product only

Key differences

The Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s has 20.46 BTU/h more heat dissipation than the Zyxel USG FLEX 50AX (61.38 BTU/h vs 40.92 BTU/h). The Zyxel USG FLEX 50AX has 611,130 h more mean time between failures (MTBF) than the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s (655130 h vs 44000 h). The Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s has 0.14 kg more weight than the Zyxel USG FLEX 50AX (1.14 kg vs 1 kg). Connectivity technology: Wired on the Zyxel USG FLEX 50AX, Wired & Wireless on the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s. Cables included: LAN (RJ-45) on the Zyxel USG FLEX 50AX, LAN (RJ-45), RS-232 on the Zyxel USG20W-VPN hardware firewall 0.35 Gbit/s.

  • Heat dissipation
    • 40.92 BTU/h
    • 61.38 BTU/h
  • Mean time between failures (MTBF)
    • 655130 h
    • 44000 h
  • Connectivity technology
    • Wired
    • Wired & Wireless
  • Weight
    • 1 kg
    • 1.14 kg
  • Cables included
    • LAN (RJ-45)
    • LAN (RJ-45), RS-232

Side by side

Differences highlightedShow differences only
55 specifications
A

Zyxel

USG FLEX 50AXView product
B

Zyxel

USG20W-VPN hardware firewall 0.35 Gbit/s

Model USG20W-VPN

View product
Data transmissionidentical
Firewall throughput0.35 Gbit/s0.35 Gbit/s
VPN throughput0.09 Gbit/s0.09 Gbit/s
Maximum firewall connectionsKnown for one20000
Performance2 differ
Built-in processorKnown for oneNo
Heat dissipationDiffers40.92 BTU/h61.38 BTU/h
Concurrent usersKnown for one15 user(s)
SyslogKnown for oneYes
Mean time between failures (MTBF)Differs655130 h44000 h
Antenna gain level (max)Known for one3 dBi
Antennas quantityKnown for one3
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Concurrent SSL/VPN connections (maximum)Known for one15
VPN tunnels quantityKnown for one10
Static routeKnown for oneYes
Wi-Fi data rate (max)Known for one1300 Mbit/s
Wi-Fi bandKnown for oneDual-band (2.4 GHz / 5 GHz)
Securityidentical
Security algorithmsKnown for one3DES, 256-bit AES, DES, HTTPS, IPSec, MD5, SHA-1, SHA-2
DDoS protectionKnown for oneYes
Firewall securityKnown for oneYes
Protocolsidentical
Management protocolsKnown for oneSNMP v1, v2c, v3
Management featuresidentical
LED indicatorsKnown for oneYes
URL filteringKnown for oneYes
Web-based managementKnown for oneYes
Ports & interfaces1 differ
Connectivity technologyDiffersWiredWired & Wireless
USB 2.0 ports quantity11
Ethernet LAN (RJ-45) ports44
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Number of console portsKnown for one1
DC-in jackKnown for oneYes
WAN connectionEthernet (RJ-45)Ethernet (RJ-45)
Ethernet DMZ ports quantityKnown for one4
SFP module slots quantityKnown for one1
Designidentical
Built-in fanKnown for oneNo
Poweridentical
Input currentKnown for one2.0 A
DC input voltageKnown for one12 V
Power consumption (max)Known for one12 W
Power consumption (typical)Known for one18 W
Certificatesidentical
CertificationKnown for oneFCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 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 one216 mm
DepthKnown for one149.3 mm
HeightKnown for one33 mm
WeightDiffers1 kg1.14 kg
Dimensions (WxDxH)Known for one216 x 143 x 33 mm
Packaging dataidentical
Package widthKnown for one276 mm
Package heightKnown for one185 mm
Package depthKnown for one98 mm
Package weightKnown for one1.53 kg
Packaging content1 differ
Cables includedDiffersLAN (RJ-45)LAN (RJ-45), RS-232
Other featuresidentical
Firewall throughput350 Mbit/s350 Mbit/s
VPN throughput90 Mbit/s90 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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