CloudEngine CE8875-24BQ8DQ 02355SDX Huawei Network Switch 24*200GE QSFP56, 8*400GE QSFP-DD
Description
The CE8875-24BQ8DQ is a top-of-the-line, high-density, and high-end box switch in Huawei's CloudEngine data center series. It is positioned in the Super Leaf or high-performance core position of ultra-large-scale data centers, specifically designed to meet the strict requirements of extreme bandwidth, ultra-low latency and zero packet loss in scenarios such as AI computing clusters, high-performance computing and fully lossless storage networks. It can be regarded as the performance king of the box switch form.
This Huawei Network Switch is equipped with 24 400GbE QSFP-DD ports: this is its core. All ports can be used for 400G and can be directly connected to the latest AI servers (such as 8-card H800/A800 GPU servers, which usually provide 8 400G interfaces after NVLink bridging) or high-speed storage.
8 800GbE QSFP-DD ports: for uplink interconnection or cluster lateral expansion. This is currently the top commercial port rate in the industry. Multiple CE8875 can be interconnected via the 800G port to build a larger-scale Clos Fabric, or upstream to more core devices. This configuration endows it with the switching capability of a "quasi-core".
Port flexibility: These high-speed ports also support backward compatibility and splitting. For instance, a 400G port can be split into four 100G ports, but on such high-end devices, native high speeds are usually directly utilized to achieve the best performance.
This Huawei Network Switch offers a switching capacity of 51.2 Tbps, and all ports support full-line-speed forwarding.
Adopting the latest generation of chips and architectures to achieve nanosecond-level ultra-low latency is crucial for reducing the communication overhead of distributed computing in AI training
Pictures

Specification
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02355SDX (CE8875-24BQ8DQ switch (24*200GE QSFP56, 8*400GE QSFP-DD, 2*AC Power Modules, 5*Fans, Port-side Intake))
02355SDY (CE8875-24BQ8DQ switch (24*200GE QSFP56, 8*400GE QSFP-DD, 2*AC Power Modules, 5*Fans, Port-side Exhaust))
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Weight with packaging[kg(lb)]
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Weight without packaging[kg(lb)]
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6.74 kg (14.86 lb), excluding optical modules, power modules, and fan modules
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Maximum power consumption[W]
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522 W (100% traffic load, short-distance optical modules on 24 x 200GE + 8 x 400GE ports, normal temperature, dual AC power modules)
770 W (100% traffic load, long-distance optical modules on 24 x 200GE + 8 x 400GE ports, high temperature, dual AC power modules)
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Typical power consumption[W]
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291 W (100% traffic load, copper cables on 12 x 200GE + 4 x 400GE ports, normal temperature, dual AC power modules)
382 W (100% traffic load, short-distance optical modules on 12 x 200GE + 4 x 400GE ports, normal temperature, dual AC power modules)
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Static power consumption[W]
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Maximum heat dissipation[BTU/hour]
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- 1781 BTU/hour (100% traffic load, short-distance optical modules on 24 x 200GE + 8 x 400GE ports, normal temperature, dual AC power modules)
- 2627 BTU/hour (100% traffic load, long-distance optical modules on 24 x 200GE + 8 x 400GE ports, high temperature, dual AC power modules)
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Typical heat dissipation[BTU/hour]
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- 993 BTU/hour (100% traffic load, copper cables on 12 x 200GE + 4 x 400GE ports, normal temperature, dual AC power modules)
- 1303 BTU/hour (100% traffic load, short-distance optical modules on 12 x 200GE + 4 x 400GE ports, normal temperature, dual AC power modules)
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Static heat dissipation[BTU/hour]
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AC pluggable,DC pluggable,HVDC pluggable
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- 1200 W AC&240 V DC power module: 100 V AC to 240 V AC, 50/60 Hz; 240 V DC
- 1200 W DC power module: –48 V DC to –60 V DC; +48 V DC
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- 1200 W AC&240 V DC power module: AC: 90 V AC to 290 V AC, 45 Hz to 65 Hz; DC: 190 V DC to 290 V DC
- 1200 W DC power module: –38.4 V DC to –72 V DC; +38.4 V DC to +57 V DC
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- 1200 W AC&240 V DC power module: 10 A (100 V AC to 130 V AC); 8 A (200 V AC to 240 V AC); 8 A (240 V DC)
- 1200 W DC power module: 38 A (–48 V DC to –60 V DC); 38 A (+48 V DC)
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- 1200 W AC&240 V DC power module: 1200 W
- 1200 W DC power module: 1200 W
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The USB port can connect to a USB flash drive for deployment, log backup, configuration file transfer, and file upgrade. The USB port can only connect to a USB flash drive that complies with USB 2.0.
Note: This port is available in V300R025C00 and later versions. USB flash drives from different vendors differ in compatibility and drivers. If a USB flash drive cannot be used, replace it with another one from a mainstream vendor.
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Downlink Service interface
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Service port supporting the stack function
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Reserved function. This function is not enabled.
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Switching capacity[bps,bit/s]
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For more details, see the datasheet/brochure or contact product sales personnel.
You can obtain the datasheet/brochure from the following link:
https://e.huawei.com/en/products/switches/data-center-switches
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The device supports 4+1 backup of fan modules that work in hot standby mode. The system can operate normally for a short time after a single fan module fails. You are advised to replace the faulty fan module immediately.
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Power supply surge protection
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AC: 6 kV in common mode and 6 kV in differential mode
DC: 4 kV in common mode and 2 kV in differential mode
HVDC: 4 kV in common mode and 2 kV in differential mode
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Port-side air intake or port-side air exhaust, depending on the fan modules and power modules that are used. The fan modules and power modules must have the same airflow direction.
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Storage temperature[°C(°F)]
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-40ºC to +70ºC (-40°F to +158°F)
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Long-term operating temperature[°C(°F)]
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0°C to 40°C (32°F to 104°F) at an altitude of 0–1800 m (0–5906 ft.)
Note: When the altitude is 1800–5000 m (5096–16404 ft.), the highest operating temperature reduces by 1°C (1.8°F) every time the altitude increases by 220 m (722 ft.).
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Storage relative humidity[RH]
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5% RH to 95% RH, non-condensing
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Long-term operating relative humidity[RH]
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5% RH to 95% RH, non-condensing
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Long-term operating altitude[m(ft.)]
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Noise at high temperature (40°C, sound pressure)
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- Front-to-back airflow: 76.2 dB(A) on average; maximum: 79 dB(A)
- Back-to-front airflow: 73.1 dB(A) on average; maximum: 79.2 dB(A)
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Noise at normal temperature (27°C, sound pressure)
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- Front-to-back airflow: 50.9 dB(A) on average; maximum: 53.8 dB(A)
- Back-to-front airflow: 50.8 dB(A) on average; maximum: 54.6 dB(A)
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