210-ALTF - Dell Networking S-Series S4128F-ON 28 x Ports 10GBase-T + 2 x Ports QSFP28 Layer 2 Managed 10 Gigabit Ethernet Network Switch

210-ALTF - Dell Networking S-Series S4128F-ON 28 x Ports 10GBase-T + 2 x Ports QSFP28 Layer 2 Managed 10 Gigabit Ethernet Network Switch

SKU: 210-ALTF Brand: Dell Category: Networking Devices
$2,070.40 In Stock — Ships Today

About the 210-ALTF

Dell part number 210-ALTF identifies the 210-ALTF - Dell Networking S-Series S4128F-ON 28 x Ports 10GBase-T + 2 x Ports QSFP28 Layer 2 Managed 10 Gigabit Ethernet Network Switch, an enterprise-grade Networking Devices unit appropriate for data-center, server-room, and workstation deployment. The component is intended for use in Dell PowerEdge R640, R650, R740, R750, R760 and T-series rack and tower servers where matched-pair installation, hot-spare provisioning, or matched-lot procurement is required. Technical specifications include network speed of 10 GbE, features of QSFP28. Typical use cases include enterprise LAN core-distribution-access architecture, hyperconverged cluster east-west traffic, SAN fabric uplinks, and replacement of EOL/EOSL networking infrastructure under existing OEM warranty contracts. Pro Disk Network sources the 210-ALTF through authorised distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. Net 30 / Net 60 terms available for qualified business, government, and education accounts. 30-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.

Specifications

Part Identification

Technical Specifications

  • Network Speed

    10 GbE

    Verified specification
    Source: manufacturer datasheet
  • Features

    QSFP28

Order & Fulfillment Details

  • Condition

    New / Certified Refurbished

    Quality Tier
    Each refurb unit tested + functional warranty
  • Warranty

    30-Day Pro Disk Network Guarantee

    Coverage
    Return for full refund within 30 days of delivery
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Free Returns — US

    Return Window
    Original packaging required
Part Number / MPN210-ALTF
ManufacturerDell
CategoryNetworking Devices
Network Speed10 GbE
FeaturesQSFP28
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The 210-ALTF is a Dell networking devices component with network speed 10 GbE, features QSFP28. Pro Disk Network sells the 210-ALTF for $2,070.40 with same-day US shipping and a 30-day free return guarantee.

Trust Signals

  • Florida-Registered LLC — 7345 W Sand Lake Rd, Orlando FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
  • 30-Day Free Returns — pre-paid label included on all US orders
  • Net 30 Available — for verified business buyers
  • 2,000+ B2B Customers — MSPs, government, education, enterprise IT

Quick Answer: Is the 210-ALTF compatible with my switch?

Pro Disk Network validates every 210-ALTF 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 210-ALTF ship?

If in stock, the 210-ALTF ships same business day on US orders placed before 2 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 210-ALTF

The 210-ALTF 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.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the 210-ALTF across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.

TierDiscount vs OEM ListWarrantyBest For
New (Sealed OEM)25–40%Dell manufacturer warranty (1–5 yr)Production-critical first-tier
New (Bulk OEM)50–65%3-year Pro Disk Network warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

Bulk & Volume Pricing for 210-ALTF

Ships from our Orlando, FL warehouse — same-day US dispatch on orders placed before 2pm ET. Net 30 terms available for verified businesses, government and education.

Volume discounts on the 210-ALTF are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.

QuantityDiscountUnit Price
10%$2,070.40
5+4%$1,987.58
10+8%$1,904.77
25+13%$1,801.25
50+18%$1,697.73
100+23%$1,594.21

What is the 210-ALTF?

The 210-ALTF is a Dell enterprise networking device with network speed 10 GbE and features QSFP28, 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 210-ALTF

Pros

  • Drop-in replacement for failed line cards or transceivers
  • Bulk-pack pricing for multi-rack deployments
  • Coding to OEM TLV is verified before shipping

Cons

  • DAC cables capped at 7 m — use AOC or fibre for longer runs
  • SR optic vs LR optic confusion — verify before ordering
  • Refurbished tier optic does not include retail vendor packaging

Frequently Asked Questions about 210-ALTF

Is the 210-ALTF a genuine Dell part?
Yes. Pro Disk Network sources every 210-ALTF as factory-original Dell inventory verified against the manufacturer parts registry before listing. 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 12 months.
Is the 210-ALTF compatible with my switch?
Pro Disk Network validates every 210-ALTF 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 210-ALTF ship?
If in stock, the 210-ALTF ships same business day on US orders placed before 2 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 210-ALTF?
New 210-ALTF 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 (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 210-ALTF?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

From the Same Series as 210-ALTF

Other parts that share the 210 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • 210-ALRZ — Dell 210-ALRZ S4148U-ON 48x SFP+ Ports 10GBase-X 4x QSFP28 Ports 100GBase-X 2x QSFP+ Ports 40GBase-X Layer 3 Managed 1U Rack-mountable Gigabit Ethernet Network Switch — $1,570.53
  • 210-ALSB — Dell 210-ALSB S4148U-ON 48-Ports SFP+ 4-Ports QSFP28 2-Ports QSFP+ Layer3 Managed 1U Rack-mountable Network Switch — $1,570.53
  • 210-ALSD — Dell 210-ALSD S4148U-ON 48x SFP+ Ports 10GBase-X 4x QSFP28 Ports 100GBase-X 2x QSFP+ Ports 40GBase-X Layer 3 Managed 1U Rack-mountable Gigabit Ethernet Network Switch — $1,570.53
  • 210-ALSE — Dell 210-ALSE S4148U-ON 48-Ports SFP+ 4-Ports QSFP28 2-Ports QSFP+ Layer3 Managed 1U Rack-mountable Network Switch — $1,570.53

Pro Disk Network Buyer’s Guide: Networking Devices

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 210-ALTF 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 210-ALTF 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 210-ALTF and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.

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Enterprise Networking Hub

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