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Silver 1U rack-mount switch with 48 front ports and rear power socket

HPE Networking Instant On

HPE Networking Instant On 2930M 48G 1-Slot JL321A network switch

SKU CH-PQS0-3T1XP

A managed, stackable 48-port Gigabit switch with 44 RJ-45 ports, four combo SFP slots, 176 Gbps switching capacity and 112 Mpps throughput for Layer 3 routing

  • 48 ports connect many devices with 44 RJ-45 and 4 SFP combo uplinks
  • 176 Gbps switching capacity handles heavy traffic loads efficiently
  • 112 Mpps throughput processes packets at line rate
  • Layer 3 routing supports OSPF, RIP and static routes for network segmentation
  • 1U rack-mount design with front-to-back airflow fits standard cabinets

48-port Layer 3 managed switch

The HPE Aruba 2930M JL321A is a 1U rack-mountable switch with 44 RJ-45 ports and four combo Gigabit SFP slots. It delivers Layer 3 routing with OSPF, RIP and static IPv4/IPv6 support for small to mid-size business networks. Stacking bandwidth reaches 100 Gbps across compatible units.

Gigabit and SFP port limits

All 44 RJ-45 ports operate at 10/100/1000 Mbps with latency from 98.5 µs at 10 Mbps down to 3.1 µs at 1 Gbps. The four combo SFP ports share bandwidth with the last four copper ports, so only one medium per pair can be active. Jumbo frames up to 9220 bytes are supported.

Rack space and routing capacity

The unit requires a standard 1U rack slot with front-to-back airflow and an internal power supply. IPv4 routing table holds 2000 entries and IPv6 holds 1000, with 256 static routes and 200 OSPF routes. Buyers needing larger route tables or 10 GbE uplinks should verify requirements before ordering.

Highlights

  • 48 ports connect many devices with 44 RJ-45 and 4 SFP combo uplinks
  • 176 Gbps switching capacity handles heavy traffic loads efficiently
  • 112 Mpps throughput processes packets at line rate
  • Layer 3 routing supports OSPF, RIP and static routes for network segmentation
  • 1U rack-mount design with front-to-back airflow fits standard cabinets

Specifications

BrandAruba
Series2930
ModelJL321A

Questions about this item

Should I pick the JL321A with 44 RJ-45 ports and 4 combo SFP or a model with more SFP slots?

The JL321A provides 44 copper ports plus 4 combo SFP for fibre uplinks; choose it when most connections are copper and only a few fibre links are needed.

What does the 176 Gbps switching capacity mean for daily traffic?

It lets the switch forward up to 176 Gbps of aggregated traffic across all 48 ports without blocking.

The spec lists 100 Gbps stacking bandwidth — what does that cap in practice?

Stacking bandwidth of 100 Gbps limits total inter-switch throughput when multiple units are stacked together.

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