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Product comparison · 2 hardware firewalls

Zyxel USG 1900 vs Zyxel USG FLEX 50AX

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  • 17specifications compared
  • 13differ
  • 4identical
  • 39known for one product only

Key differences

The Zyxel USG 1900 has 6.65 Gbit/s more firewall throughput than the Zyxel USG FLEX 50AX (7 Gbit/s vs 0.35 Gbit/s). The Zyxel USG 1900 has 0.81 Gbit/s more VPN throughput than the Zyxel USG FLEX 50AX (0.9 Gbit/s vs 0.09 Gbit/s). The Zyxel USG FLEX 50AX has 94,318.5 h more mean time between failures (MTBF) than the Zyxel USG 1900 (655130 h vs 560811.5 h).

  • Firewall throughput
    • 7 Gbit/s
    • 0.35 Gbit/s
  • VPN throughput
    • 0.9 Gbit/s
    • 0.09 Gbit/s
  • Mean time between failures (MTBF)
    • 560811.5 h
    • 655130 h
  • VPN tunnels quantity
    • 2000
    • 10
  • USB 2.0 ports quantity
    • 2
    • 1
  • Ethernet LAN (RJ-45) ports
    • 8
    • 4
  • Input current
    • 1.3 A
    • 2.0 A
  • Width
    • 430 mm
    • 216 mm

Side by side

Differences highlightedShow differences only
56 specifications
A

Zyxel

USG 1900View product
B

Zyxel

USG FLEX 50AXView product
Data transmission2 differ
Firewall throughputDiffers7 Gbit/s0.35 Gbit/s
VPN throughputDiffers0.9 Gbit/s0.09 Gbit/s
Maximum firewall connectionsKnown for one20000
Performance1 differ
Built-in processorKnown for oneNo
Heat dissipationKnown for one40.92 BTU/h
Concurrent usersKnown for one15 user(s)
SyslogKnown for oneYes
Mean time between failures (MTBF)Differs560811.5 h655130 h
Concurrent connectionsKnown for one500000
Network1 differ
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Concurrent SSL/VPN connections (maximum)Known for one15
VPN tunnels quantityDiffers200010
Static routeKnown for oneYes
Number of VPN connectionsKnown for one755
Number of usersKnown for one55 user(s)
Number of VLANsKnown for one128
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 & interfaces2 differ
USB 2.0 ports quantityDiffers21
Ethernet LAN (RJ-45) portsDiffers84
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Number of console portsKnown for one1
DC-in jackKnown for oneYes
WAN connectionKnown for oneEthernet (RJ-45)
VGA (D-Sub) ports quantityKnown for one1
Designidentical
Built-in fanKnown for oneNo
Rack mountingKnown for oneYes
Power1 differ
Input currentDiffers1.3 A2.0 A
DC input voltageKnown for one12 V
Power consumption (max)Known for one12 W
AC input voltageKnown for one100-240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (typical)Known for one58.5 W
Certificatesidentical
CertificationKnown for oneFCC Part 15 (Class B), IC, CE EMC (Class B), RCM, BSMI
Operational conditionsidentical
Storage relative humidity (H-H)Known for one10 - 90%
Weight & dimensions4 differ
WidthDiffers430 mm216 mm
DepthDiffers250 mm149.3 mm
HeightDiffers44 mm33 mm
WeightDiffers3.3 kg1 kg
Packaging dataidentical
Package widthKnown for one276 mm
Package heightKnown for one185 mm
Package depthKnown for one98 mm
Package weightKnown for one1.53 kg
Packaging contentidentical
Cables includedKnown for oneLAN (RJ-45)
Other features2 differ
Firewall throughputDiffers7000 Mbit/s350 Mbit/s
VPN throughputDiffers900 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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