Network Ports : 44x 1 Gigabit Ethernet PoE RJ-45 Uplink Ports : 4x 1 Gigabit Ethernet Combo (SFP/RJ-45) Management Ports : 1x Dual-Personality (RJ-45 or USB micro-B), 1x USB 1.1, 1x RJ-45 Out-of-Band Management Stacking Ports : 1x Stacking Module Slot – J9733A Stacking Module not included – Stacking Cable Options are J9734A (0.5m), J9735A (1m) – Cables not included Module Slots and Options : 2x Expansion Slots – Modules not included Expansion Module Options : J9731A (HPE 2x 10GB SFP ), J9732A (2x 10GB RJ-45) Memory and Processor : Tri Core ARM1176 @ 625 MHz | 512MB SDRAM | 1GB Flash | Packet Buffer size = 11.25 MB (6.75 MB dynamic egress 4.5 MB ingress) Power Supplies Included : 1x PSU Slot – 1x J9738A Power Supply included PoE Budget : 370 W Switching Capacity : 176 Gbps Forwarding Rate : 130.9 Mpps MAC Address Table Size : 16000 Latency : < 3.2 µs (FIFO 64-byte packets) (1000Mb) Rack Mounts : Included (1-RU) Model Number : J9729A Part Number : J9729A, 2920-48G-PoE Condition : Seller refurbished Product Code J9729A Type Aruba 2920 48G POE Switch Ports · 44 RJ-45 autosensing 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only · 4 RJ-45 dual-personality 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ) · 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 Throughput 130.9 million pps Switching capacity 176 Gb/s PoE power 370 W Dimensions 4.39 x 44.25 x 33.6 cm (1.73 x 17.42 x 13.23 in) Product Code J9726A J9727A J9728A J9729A J9836A Type Aruba 2920 24G Switch Aruba 2920 24G POE Switch Aruba 2920 48G Switch Aruba 2920 48G POE Switch Aruba 2920-48G-POE 740W Switch Ports · 20 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 · 4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab 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 · 20 RJ-45 autosensing 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only · 4 RJ-45 dual-personality 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ) · 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 · 44 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 · 4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab 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 · 44 RJ-45 autosensing 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only · 4 RJ-45 dual-personality 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ) · 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 · 44 RJ-45 autosensing 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE );Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only · 4 RJ-45 dual-personality 10/100/1000 PoE ports (IEEE 802.3 Type 10BASE-T, IEEE802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE ) · 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 Throughput 95.2 million pps 95.2 million pps 130.9 million pps 130.9 million pps 130.9 million pps Switching capacity 28 Gb/s 128 Gb/s 176 Gb/s 176 Gb/s 176 Gb/s PoE Available Power – 370 W – 370 W 740 W J9729A Specification J9729A Specifications Product Model J9729A Product Brand Aruba Type Switch Ports 48 Power over Ethernet (PoE) Yes Model 2920-48G-POE Flash Memory 1 GB Memory Technology SDRAM RAM Installed 512 megabyte Data Link Protocols Gigabit Ethernet Form Factor Rack-mountable Layer Supported 4 Manageable Yes Network Technology 10/100/1000Base-T Expansion Slot Type SFP, Stacking Module Power Source Power Supply Product Type Layer 3 Switch Dimensions (X H X D) 17.42 x 1.73 x 13.23 inch Datasheet More information on this HPE J9729A.