English 
- Brand: HPE
- Model: HPE 1820
- Technical Specifications:
- I/O ports and slots: 8 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
- Memory and processor: ARM Cortex-A9 @ 400 MHz, 128MB SDRAM; Packet buffer size: 1.5MB, 16MB flash
- Performance:
- 100 Mb Latency: <7 µs (LIFO 64-byte packets)
- 1000 Mb Latency: <2.4 µs (LIFO 64-byte packets)
- Throughput: Up to 11.9 Mp/s (64-byte packets)
- Switching capacity: 16 Gb/s
- MAC address table size: 8000 entries
- Electrical Specifications:
- Frequency: 50/60 Hz
- Voltage: 100-240 V ac, rated (depending on power supply chosen)
- Current: 0.2 A
- Maximum power rating: 12.2 W
- Idle power: 10.2 W
- Physical Specifications:
- Dimensions (W x D x H): 25.4 x 15.95 x 4.39 cm (10 x 6.28 x 1.73 in) (1U height)
- Weight: 0.82 kg (1.81 lb)