Free tools Windows power users keep installed
One-click scans. No signup required.
iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
The Dell Networking N4032 is a legacy 1RU enterprise switch with 24 fixed 10GbE RJ45 copper ports—not SFP+ ports. It offers substantial 10Gb port density and modular expansion, but Dell’s standard support for the N4000 family ended on April 29, 2024. That makes the N4032 a better fit for carefully checked lab or noncritical use than for a production deployment that depends on ongoing vendor software maintenance.
What the Dell Networking N4032 is
Dell’s 2017 N4000 specification describes the N4032 as a Layer 2/Layer 3 switch with 24 fixed 10GbE RJ45 auto-sensing ports. Those ports support 10Gb, 1Gb, and 100Mb connections. The switch has one hot-swap expansion bay and two redundant 460W power supplies. Dell lists line-rate Layer 2 switching and Layer 3 routing as supported capabilities. Dell N4000 Series specifications.
The similar model name can lead to a costly cabling assumption: N4032 and N4032F differ in their fixed-port media.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11| Model | Fixed ports and speeds | What to plan for |
|---|---|---|
| N4032 | 24 10GbE RJ45 ports; 10Gb, 1Gb, and 100Mb auto-sensing | Copper Ethernet cabling for the fixed ports |
| N4032F | 24 10GbE SFP+ ports; 10Gb and 1Gb | Compatible SFP+ transceivers, DACs, and/or fiber for the fixed ports |
Dell specifies one expansion bay and dual 460W redundant power supplies for both models. These are not interchangeable port configurations: an SFP+ cable or optic does not plug into the N4032’s fixed RJ45 ports.
#1 Best Overall
- Dell N4032 layer 3 switch
- 24 network, 1 expansion slot
- 2 expansion slot - manage
Expansion, cabling, and optics
Dell lists optional N4000-family modules that can add four 10Gb SFP+ ports, four 10GBase-T RJ45 ports, or two 40Gb QSFP+ ports. Its supported accessory categories also include SFP and SFP+ transceivers, QSFP+ transceivers, SFP+ and QSFP+ direct-attach cables, QSFP+ breakout cables, and fiber cabling. The module and accessory list is not a guarantee that every item works in every unit or with every peer device. Dell’s N4000 specification lists these options; Dell’s optics and cables support statement says it does not guarantee support for non-Dell cables and optics. That is a support-position statement, not evidence that all third-party optics fail.
For an N4032, SFP+ recommendations apply only if the unit has an appropriate optional module installed. The N4032F has fixed SFP+ ports. Before settling on a cable or optic, confirm the exact switch configuration and the receiving device’s requirements.
Rank #2
- Dell N4032 layer 3 switch
- 24 network, 1 expansion slot
- 2 expansion slot - manage
Performance and operational tradeoffs
Dell publishes 640 Gbps full-duplex switch fabric capacity and a 476 Mpps forwarding rate for the N4032 and N4032F. These are manufacturer specifications, not independently measured results for a used unit. The practical attraction is 24 fixed 10Gb ports plus an expansion bay; the tradeoff is a legacy enterprise chassis whose power, heat, airflow, and support requirements need to suit the installation.
Recommended Free Tools
The N4032 is 1RU and measures 1.71 × 17.08 × 18.11 inches; the power-supply handle adds 1.13 inches of depth. Dell lists the N4032 at about 21.67 lb (9.83 kg), with redundant variable-speed fans and airflow from the I/O side toward the power supplies. The published maximum power consumption is 240 W and maximum thermal output is 823.44 BTU/hr. These are Dell’s stated maximum figures, not measurements of actual consumption, room heat, or noise in a particular installation. Dell N4000 Series specifications.
The N4032F has lower Dell-published maximum figures: 176 W power consumption and 603.86 BTU/hr thermal output. Neither model’s figures establish how loud a specific used switch will be. The available historical review does not provide a current acoustic measurement, so check noise in the intended location rather than assuming it is suitable for a quiet room.
Stacking and management evidence
Dell’s specification says user-port stacking can extend up to 100 m over 10Gb or 40Gb and gives the N4032/N4032F a stacking bandwidth of 160 Gbps. An older ITPro review reports support for stacks of up to 12 N-series switches and says a firmware upgrade reboots the stack. That review is useful historical context, not current operational validation; check the applicable product guide and the firmware actually installed before planning maintenance or a production stack. ITPro’s historical N4032 review.
Rank #4
![Dell Networking N4032F 24-Port 10GbE Ethernet Network Switch [No Rails Kit] (Renewed)](https://m.media-amazon.com/images/I/21zFpuPPnEL._SL160_.jpg)
- Dell Networking N4032F 24-Port 10GbE Ethernet Network Switch [No Rails Kit] (Renewed)
Is the N4032 still worth buying?
That depends on whether the unit’s condition and support position fit its role. Dell’s current networking coverage table lists the N4000 family as End of Sale on April 30, 2019, and End of Standard Support on April 29, 2024. Dell defines End of Standard Support as the point after which it provides no further software maintenance or updates, though existing software updates and fixes may remain available. Dell says some qualified devices may be eligible for post-standard or multivendor support, subject to eligibility. The family-level table does not establish support entitlement, firmware access, or hardware condition for an individual switch; verify the service tag with Dell before relying on support. Dell networking lifecycle and support coverage.
- Potential lab or noncritical choice: Consider it if you need its copper 10Gb port density or specific modular connections, can verify the unit works, and can tolerate managing legacy hardware without assured ongoing software maintenance.
- Production caution: Treat lifecycle and security-patch requirements as a go/no-go decision. If your deployment requires ongoing vendor updates or assured service, do not assume the family-level support listing is enough; confirm unit-specific entitlement and weigh replacement risk.
- Compare alternatives on total fit: Check fixed-port media and speed, uplink flexibility, required features and management workflow, power and heat, measured noise at the intended location, lifecycle, optics and module costs, rack hardware, and the availability of a replacement.
What to inspect before buying a used N4032
- Confirm the exact model: Ask for a clear front-panel photograph and verify whether it is an N4032 with RJ45 fixed ports or an N4032F with SFP+ fixed ports.
- Identify installed hardware: Request a rear photograph and confirm the expansion module, airflow direction, both power supplies, and rack hardware. Do not price or plan around optional ports that are not present.
- Map every link: Check the port media and speed at both ends, then confirm the specific copper cable, transceiver, DAC, fiber, or breakout arrangement and peer-device compatibility.
- Check support and software access: Ask Dell to confirm service-tag-specific support entitlement and the software access you require. The available lifecycle entry is family-level, and no individual entitlement or latest firmware version is established here.
- Assess the installation site: Allow for the 1RU chassis dimensions and additional power-supply-handle depth, confirm the I/O-to-PSU airflow path is unobstructed, and assess power, heat, and noise in the intended location.
- Evaluate condition and replacement risk: Confirm the seller’s testing, return terms, and the availability of replacement hardware before placing the switch in a role where failure would disrupt service.
The historical ITPro review describes the N4032’s management and stack behavior, but it is roughly a decade old and cannot establish current used-market value, stock, acoustic performance, firmware status, or the condition of a particular unit. ITPro’s N4032 review.
Quick Recap
Best Value
- PoE++
- 10/100/1000/2.5G/5G/10GB- ase-T (PoE++) + 4 x 25 Gigabit SFP28 + 2 x 100 Gigabit QSFP28
- Managed
- Rack Mountable
- 21 x Ports
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
