SKU: JL557A

Key Features:

Brand  HPE
Product Type Network switch
Switch type Managed
Switch layer L3
SFP module slots quantity 4
Basic switching RJ-45 Ethernet ports quantity 48
Basic switching RJ-45 Ethernet ports type Gigabit Ethernet (10/100/1000)
Auto MDI/MDI-X Yes
10G support Yes
IGMP snooping Yes
Throughput 112 Mpps
Latency (1 Gbps) 3.8 µs
Latency (10 Gbps) 1.6 µs
Packet buffer memory 12.38 MB
MAC address table 32768 entries
Switching capacity 176 Gbit/s
Jumbo frames support Yes
Processor frequency 1016 MHz
Memory type DDR3-SDRAM
Internal memory 1024 MB
Built-in processor Yes
Processor model ARM Cortex-A9
Packet buffer memory 12.38 MB
Stackable Yes
Power consumption (max) 980 W
Power supply included Yes
AC input voltage 200 - 240 V
AC input frequency 50 - 60 Hz
Total Power over Ethernet (PoE) budget 740 W
Power over Ethernet (PoE) Yes
Width 43.9 mm
Depth 442.5 mm
Height 324.2 mm
Weight 4.79 kg

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SKU: R8R48A

Key Features:

Brand HPE
Type Network Switch 
Switch Layer L2
Product colour White
Form Factor 1U
Power consumption 147 W
Basic switching RJ-45 Ethernet ports quantity 16
Basic switching RJ-45 Ethernet ports type Gigabit Ethernet (10/100/1000)
Copper ethernet cabling technology 10BASE-T, 100BASE-TX, 1000BASE-T
Auto-sensing Yes
Copper ethernet cabling technology 10BASE-T, 100BASE-TX, 1000BASE-T
Networking standards IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3az, IEEE 802.3i, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
Full duplex Yes
Link aggregation Yes
Ethernet LAN data rates 10,100,1000 Mbit/s
10G support No
Jumbo frames 9216
Throughput 23.8 Mpps
Latency (10-100 Mbps) 2.7 µs
Latency (1 Gbps) 1.8 µs
Packet buffer memory 2 MB
MAC address table 8192 entries
Switching capacity 32 Gbit/s
Jumbo frames support Yes
Power supply included Yes
AC input voltage 200 - 240 V
AC input frequency 50 - 60 Hz
Number of power supply units 1
Power source AC
Total Power over Ethernet (PoE) budget 124 W
Power over Ethernet (PoE) Yes
Storage temperature (T-T) -40 - 70 °C
Storage relative humidity (H-H) 15 - 90%
Operating temperature (T-T) 0 - 40 °C
Operating relative humidity (H-H) 15 - 95%
Width 260 mm
Depth 275 mm
Height 44 mm
Weight 2.09 kg
Packet buffer memory 2 MB

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