4WF3T - Dell Networking S3148 48 x Port 10/100/1000Base-TX + 2 x 10 Gigabit SFP+ + 2 X Combo Gigabit SFP Rack-mountable Layer 3 Managed Network Switch

4WF3T - Dell Networking S3148 48 x Port 10/100/1000Base-TX + 2 x 10 Gigabit SFP+ + 2 X Combo Gigabit SFP Rack-mountable Layer 3 Managed Network Switch

SKU: 4WF3T Brand: Dell Browse: Dell Network Switches Category: Network Switches
$2,280.62 In Stock — Ships Today

About the 4WF3T

This Dell 4WF3T delivers Network Switches functionality and is built for 24/7 enterprise duty cycles. Technical specifications include network speed of 10 GbE. Workload fit covers VMware NSX overlay networking, Kubernetes pod-to-pod east-west bandwidth, Storage Replica replication, and high-throughput backup network paths between ToR switches and backup targets. Pro Disk Network supplies the 4WF3T to US business buyers. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.

Specifications

Part Identification

Technical Specifications

  • Network Speed

    10 GbE

Order & Fulfillment Details

  • Condition

    Refurbished

    Quality Tier
    Professionally tested — new available on request
  • Warranty

    90-Day Pro Disk Network Warranty

    Coverage
    Advance replacement — we ship first, you return the faulty unit
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPN4WF3T
ManufacturerDell
CategoryNetwork Switches
Network Speed10 GbE
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Returns — US

Summary

The 4WF3T is a Dell network switches component with network speed 10 GbE. Pro Disk Network sells the 4WF3T for $2,280.62 with same-day US shipping and a 30-day return guarantee.

Trust Signals

  • US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via UPS
  • 30-Day Returns — pre-paid label on DOA and defective items

Quick Answer: Is the 4WF3T compatible with my switch?

Pro Disk Network validates every 4WF3T against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.

How fast does the 4WF3T ship?

If in stock, the 4WF3T ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.

Email engineering for a compatibility check ›

Common Use Cases for 4WF3T

The 4WF3T is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.

  • Spine-Leaf Fabric — Top-of-rack 25G/100G aggregation between leaf and spine switches. Match speed and form factor across both endpoints.
  • Server Uplink — 10G/25G server-to-leaf uplink — pair with matching DAC or AOC at the host NIC to avoid optic mismatch.
  • DCI (Data Center Interconnect) — Inter-DC routing or aggregation. LR4/LR8 transceivers for 10–80 km, ER4 for 40 km, ZR4 for coherent long-haul.
  • Campus Distribution — Catalyst-class campus distribution between IDF and MDF closets. PoE+ where wireless APs and IP phones share infrastructure.

What is the 4WF3T?

The 4WF3T is a Dell enterprise networking device with network speed 10 GbE, manufactured by Dell. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.

Pros & Cons of 4WF3T

Pros

  • Matched-pair option for redundant link orders
  • Cabling and DAC/AOC labels clearly mark optic class

Cons

  • Third-party optic — some firmware revs require "service unsupported transceiver-type"
  • Bulk DAC orders may ship LTL on >100-pc reels
  • Confirm transceiver coding before mixing vendors in the same chassis

Frequently Asked Questions about 4WF3T

Is the 4WF3T a genuine Dell part?
Yes. Pro Disk Network sources every 4WF3T as factory-original Dell inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Dell servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Is the 4WF3T compatible with my switch?
Pro Disk Network validates every 4WF3T against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the 4WF3T ship?
If in stock, the 4WF3T ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the 4WF3T?
New 4WF3T units carry the full Dell manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 4WF3T?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

Pro Disk Network Buyer’s Guide: Network Switches

Optic Coding, Vendor Lock-In, and Multi-Vendor Compatibility

Networking optics — SFP, SFP+, QSFP+, QSFP28 — are physically interoperable across vendors but logically restricted by firmware coding. The 4WF3T is coded for a specific vendor family at our factory step before shipping, which preserves the OEM warranty workflow and allows the optic to be recognised without ‘service unsupported-transceiver’ CLI overrides. Mixing third-party optics with same-vendor optics in the same chassis is safe; mixing across vendor codings sometimes triggers warnings in the switch log.

Bandwidth Sizing for Spine-Leaf, EVPN-VXLAN, and Hyperconverged Storage

For EVPN-VXLAN overlays, the 4WF3T carries the underlay tunnels in addition to the workload traffic. Plan for VXLAN encapsulation overhead (50 bytes) plus MTU headroom; set the underlay MTU to 9216 (jumbo frames) and the overlay MTU to 9000. Make sure both the 4WF3T and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.

Part of

Enterprise Networking Hub

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Network switches, routers, firewalls, NICs, SFP and QSFP transceivers, DAC cables, wireless access points.