The Huawei CloudEngine S5731S-S series switches are standard gigabit access switches tailored for the channel distribution market, with all-GE electrical downlink ports and fixed 10 GE uplink ports. CloudEngine S5731S-S series switches are next-generation gigabit access switches. Built on Huawei's unified Versatile Routing Platform (VRP), CloudEngine S5731S-S switches provide enhanced Layer 3 features, simple O&M, Intelligent Stack (iStack), flexible Ethernet networking, and mature IPv6 features. These feature-rich switches are widely used in scenarios such as enterprise campus access and aggregation, as well as data center access.

Item	Description
Memory (RAM)	4 GB
Flash	1 GB in total. To view the available flash memory size, run the display version command.
Mean time between failures (MTBF)	57.73 years
Mean time to repair (MTTR)	2 hours
Availability	> 0.99999
Service port surge protection	Common mode: ±6 kV
Power supply surge protection	Using AC power modules: ±6 kV in differential mode, ±6 kV in common mode
Power supply surge protection	Using DC power modules: ±2 kV in differential mode, ±4 kV in common mode
Dimensions (H x W x D)	Basic dimensions (excluding the parts protruding from the body): 43.6 mm x 442.0 mm x 420.0 mm (1.72 in. x 17.4 in. x 16.5 in.)
Dimensions (H x W x D)	Maximum dimensions (the depth is the distance from ports on the front panel to the handle on the rear panel): 43.6 mm x 442.0 mm x 448.0 mm (1.72 in. x 17.4 in. x 17.7 in.)
Weight (with packaging)	9.35 kg (20.61 lb)
Stack ports	10GE SFP+ ports on the front panel
RTC	Supported
RPS	Not supported
PoE	Not supported
Rated voltage range	AC input: 100 V AC to 240 V AC, 50/60 Hz
	High-Voltage DC input: 240 V DC
	DC input: -48 V DC to -60 V DC
Maximum voltage range	AC input: 90 V AC to 290 V AC, 45 Hz to 65 Hz
	High-Voltage DC input: 190 V DC to 290 V DC
	DC input: -38.4 V DC to -72 V DC
Maximum power consumption (100% throughput, full speed of fans)	114 W
Typical power consumption (30% of traffic load, tested according to ATIS standard)	88 W