Model		USG FLEX 500H		USG FLEX 700H
Product photo
Hardware Specifications
Network interfaces	100M/1G Ethernet (RJ-45)	8		8
	100M/1G/2.5G Ethernet (RJ-45)	4		2
	1G/2.5G/5G/10G Ethernet (RJ-45)	-		2
	1G SFP/10G SFP+	-		2
USB 3.0 Type-A		1		1
Console port		Yes (RJ-45)		Yes (RJ-45)
Rack-mountable		Yes		Yes
Fanless		-		-
IEEE 802.3at (PoE+) Port		Port 3, 4 (2.5G)		Port 3, 4 (10G)
Total PoE budget (watts)		30		30
System Capacity & Performance*1
SPI firewall throughput (Mbps)*2		10,000		15,000
VPN throughput (Mbps)*3		2,000		3,000
IPS throughput (Mbps)*4		4,500		7,000
Anti-Malware throughput (Mbps)*4		3,000		4,000
UTM throughput (Anti-Malware and IPS)*4		3,000		4,000
Max. TCP concurrent sessions*5		1,000,000		2,000,000
Max. concurrent IPSec VPN tunnels*6		300		1,000
Recommended gateway-to-gateway IPSec VPN tunnels		150		300
Concurrent SSL VPN users		150		500
VLAN interface		64		128
Speedtest Performance
SPI firewall throughput (Mbps)*7		9381		921.64
Key Features
Security Service*8	Anti-Malware	Yes		Yes
	IPS	Yes		Yes
	Application Patrol	Yes		Yes
	Web Filtering	Yes		Yes
	Reputation Filter	Yes		Yes
	SecuReporter	Yes		Yes
	Sandboxing	Yes		Yes
	Security Profile Sync	Yes		Yes
	Device Insight	Yes		Yes
	SSL (HTTPS) Inspection	Yes		Yes
	Two-Factor Authentication	Yes		Yes
SD-WAN & VPN	WAN load balancing	Yes		Yes
	Prioritize critical applications	Yes		Yes
VPN	VPN Protocol	IKEv2/IPSec, SSL, Tailscale*9		IKEv2/IPSec, SSL, Tailscale*9
	Nebula SD-VPN	Yes		Yes
	Auto-link VPN	Yes		Yes
	Manual-link VPN	Yes		Yes
	VPN Topology	Yes		Yes
WLAN Management	Default Number of Managed AP	8		8
	Secure WiFi*8	Yes		Yes
	Maximum Number of Tunnel-Mode AP*10	18		130
	Maximum Number of Managed AP	72		520
	Recommend max. AP in 1 AP Group	60		200
Management & Connectivity	Nebula Centralized Management	Yes		Yes
	Device HA	Yes		Yes
	Link Aggregation (LAG)	Yes		Yes
	Concurrent devices logins (max.)*11	500		2,000
	Burst login rate (users/30sec)	220		220
Power Requirements
Power input		19V DC, 4.736A		100 - 240V AC, 50/60Hz, 2A
Max. power consumption (Watt max.)		68		86.7
Heat dissipation (BTU/hr)		211.3		235
Physical Specifications
Item	Dimensions (WxDxH)(mm/in.)	300 x 182 x 43.5 / 11.81 x 7.17 x 1.71		430 x 250 x 43.5 / 16.93 x 9.84 x 1.71
	Weight (kg/lb.)	1.64 / 3.62		3.14 / 6.93
Packing	Dimensions (WxDxH)(mm/in.)	360 x 149 x 244 / 14.78 x 5.87 x 9.61		512 x 395 x 162 / 20.16 x 15.55 x 6.38
	Weight (kg/lb.)	2.93 / 6.46		4.90 / 10.81
Included accessories		• Power adapter & Power cord • RJ-45 to RS-232 cable for console connection • Rack mounting kit		• Power cord • RJ-45 to RS-232 cable for console connection • Rack mounting kit
Environmental Specifications
Operating	Temperature	0°C to 40°C / 32°F to 104°F		0°C to 40°C / 32°F to 104°F
	Humidity	10% to 90% (non-condensing)		10% to 90% (non-condensing)
Storage	Temperature	-30°C to 70°C / -22°F to 158°F		-30°C to 70°C / -22°F to 158°F
	Humidity	10% to 90% (non-condensing)		10% to 90% (non-condensing)
MTBF (hr)		40°C / 346658.298 hr 25°C / 491777.8384 hr		40°C / 431877.9743 hr 25°C / 669031.2966 hr
Acoustic noise		16.86dBA on < 25°C operating temperature, 43.76dBA on full FAN speed		16.85dBA on < 25°C operating temperature, 47.84dBA on full FAN speed
Certifications
EMC		FCC Part 15 (Class A), CE EMC (Class A), RCM (Class A), BSMI		FCC Part 15 (Class A), CE EMC (Class A), RCM (Class A), BSMI
Safety		LVD (EN62368-1), BSMI		LVD (EN62368-1), BSMI

*: This matrix with firmware uOS1.36 or later.
*1: Actual performance may vary depending on system configuration, network conditions, and activated applications.
*2: Maximum throughput based on RFC 2544 (1,518-byte UDP packets).
*3: VPN throughput measurements are based on RFC2544 (1,424-byte UDP packets).
*4: Anti-Malware (with Express Mode) and IPS throughput is measured using the industry standard HTTP performance test (1,460-byte HTTP packets). Testing done with multiple flows.
*5: Maximum sessions are measured using the industry standard IXIA IxLoad testing tool.
*6: Including Gateway-to-Gateway and Client-to-Gateway.
*7: The Speedtest result is conducted with 1Gbps WAN link in real world and it is subject to fluctuate due to quality of the ISP link.
*8: Requires a Zyxel service license to enable or extend feature capacity. SSL (HTTPS) inspection and Two-Factor Authentication are default supported features for any registered USG FLEX H device.
*9: Local GUI only.
*10: Available in Q4, 2025.
*11: This is the recommended maximum number of concurrent logged-in devices.