Physical specifications
Dimensions (H x W x D)
4.45 x 44.25 x 33.6 cm ( 1.75 x 17.42 x 13.23 in)
Environmental specifications
Operating temperature
0° to 55°C (32° to 131°F)
Operating relative humidity
15% to 95%, noncondensing
Non-operating/Storage temperature
-40° to 70°C (-40° to 158°F)
Non-operating/Storage relative humidity
15% to 95%, noncondensing
Altitude
up to 3 km (10, 000 ft)
Acoustic
Power: 57 dB
Pressure: 41.4 dB
Electrical specifications
Frequency
50/60 Hz
80plus. org Certification
Silver
Maximum heat dissipation
208.89 kJ/hr (198 BTU/hr)
Voltage
100 to 240 V ac
Maximum power rating
58 W
Idle power
26 W
PoE power
Technical specifications
Ports
· 20 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3 u Type 100BASE-TX, IEEE 802.3 ab Type 1000BASE-T);
Duplex:
10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
· 4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3 u Type 100BASE-TX, IEEE 802.3 ab Type 1000BASE-T)
· 2 module slots
· 1 stacking module slot
· 1 dual-personality (RJ-45 or USB micro-B)
· 1 USB 1.1
· 1 RJ-45 out-of-band management port
Power supplies
· 1 power supply slot
· 1 minimum power supply required
Includes: 1 x J9739A (HP X331 165W 100-240VAC to 12VDC Modular Power Supply)
Memory and processor
Tri Core ARM1176 at 625 MHz
512MB SDRAM
1GB flash MB
packet buffer size: 11.25MB ( 6.75MB dynamic egress + 4.5MB ingress)
Performance
100 Mb Latency: < 9.0 µs (FIFO 64-byte packets)
1000 Mb Latency: < 3.3 µs (FIFO 64-byte packets)
10 Gbps Latency: < 3.3 µs (FIFO 64-byte packets)
Throughput: 95.2 million pps
Switching capacity: 128 Gb/s
Routing table size: 2048 entries (IPv4), 256 entries (IPv6)
MAC address table size: 16000 entries