Skip to content
Memory and storage supply stays tight in 2026 — server DRAM contract prices climbed steeply in Q1. (TrendForce, Jun 2026)
HomeCatalogDell Networking S4048F-ON — Full Technical Specifications

Technical specifications

Dell Networking S4048F-ON — Full Technical Specifications

Official datasheet

Your browser can’t display the PDF inline. Download it instead.

Original spec sheet © Vendor. Hosted by hardwaresys for buyer reference. Specifications subject to vendor’s published documentation.

Full Specifications

Ports48 x 1/10GbE SFP+, 6 x 40GbE QSFP+ (up to 72 x 10GbE with breakout)
Switching Capacity1.44 Tbps (full-duplex)
Forwarding Rate1080 Mpps
CPU / Memory4 GB CPU, Packet Buffer 12 MB
MAC Addresses160K (OS9)
IPv4 Routes128K
VLAN Support4K L2 VLAN
Form Factor1U (4.35 x 43.4 x 43.5 cm; 8.4 kg)
Power Supply2 x AC/DC hot-swappable, max 234.35 W (AC), typical 153 W
ManagementOS9, SmartFabric OS10, Cumulus Linux, Big Switch, Pluribus, ONIE
LatencySub 650 ns
AirflowI/O→PSU or PSU→I/O
VXLANL2 VXLAN Gateway, NVGRE (HW)
VRF-liteUp to 511 instances
StackingUp to 6 devices (320 Gbps stack)
DCB SupportPFC, ETS, DCBx, iSCSI TLV
Operating Temp0° to 45°C (32° to 113°F)

Looking to buy this configuration?

We source this chassis OEM-new or refurbished, QC-inspected and shipped door-to-door. Quote-only pricing.

Every model · new & refurbished

Same 1-yr warranty, same QC