HP (J9855A) 2530-48G-2SFP+ Switch

48 RJ-45 autosensing 10/100/1000 ports | 2 SFP+ fixed 1000/10000 SFP+ ports | ARM9E @ 800 MHz | 128 MB flash, 256 MB DDR3 DIMM; packet buffer size: 3 MB dynamically allocated | Stacking capability Virtual; 16 switches | 100 Mb Latency < 7.3 ??s (LIFO 64-byte packets) | 1000 Mb Latency < 2.7 ??s (LIFO 64-byte packets) | 10 Gbps Latency < 4.0 ??s (LIFO 64-byte packets) | Throughput up to 101 Mpps (64-byte packets) | Switching capacity 136 Gbps | Operating temperature: 32?F to 113?F (0?C to 45?C) | Operating relative humidity: 15% to 95% @ 104?F (40?C), noncondensing | Maximum heat dissipation: 189 BTU/hr (199.4 kJ/hr) | AC voltage: 100 – 127 / 200 – 240 VAC | Maximum power rating: 55.1 W | 443 x 44.5 x 254 mm | 3.08 kg