542-BBBO - Dell Intel X520-DA2 2-Port 10GB NIC Network Interface Card

542-BBBO - Dell Intel X520-DA2 2-Port 10GB NIC Network Interface Card

SKU: 542-BBBO Brand: Dell Browse: Dell Server Network Cards Category: Network Adapters
Contact Us for Price In Stock — Ships Today

About the 542-BBBO

This Dell 542-BBBO delivers Network Adapters functionality and is built for 24/7 enterprise duty cycles. Technical specifications include capacity of 10 GB, ports of 2. 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 sources the 542-BBBO through reputable 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. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.

Specifications

Part Identification

Technical Specifications

  • Capacity

    10 GB

  • Ports

    2

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 / MPN542-BBBO
ManufacturerDell
CategoryNetwork Adapters
Capacity10 GB
Ports2
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 542-BBBO is a Dell network adapters component with capacity 10 GB, ports 2. Pricing on the 542-BBBO is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.

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 542-BBBO compatible with my switch?

Pro Disk Network validates every 542-BBBO 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 542-BBBO ship?

If in stock, the 542-BBBO 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 542-BBBO

The 542-BBBO 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 542-BBBO?

The 542-BBBO is a Dell enterprise networking device with capacity 10 GB and ports 2, 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 542-BBBO

Pros

  • Same-day US shipping cuts deployment downtime

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 542-BBBO

Is the 542-BBBO a genuine Dell part?
Yes. Pro Disk Network sources every 542-BBBO 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 542-BBBO compatible with my switch?
Pro Disk Network validates every 542-BBBO 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 542-BBBO ship?
If in stock, the 542-BBBO 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 542-BBBO?
New 542-BBBO 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 542-BBBO?
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 542-BBBO

Other parts that share the 542 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • 542-BBBN — 542-BBBN - Dell Broadcom 57810S-K 10Gb Dual Port Adapter for PowerEdge M620 Server — $238.95
  • 542-BBBP — 542-BBBP - Dell Broadcom 5720 Quad-Port 1GbE RJ-45 Rack Network Daughter Card — $50.53
  • 542-BBBS — 542-BBBS - Dell 8-Port 10GbE SFP+ Pass-Through Module for PowerEdge FX2 — $1,323.12
  • 542-BBBT — 542-BBBT - Dell 8-Port 10GbE SFP+ Pass-Through for PowerEdge FX2 — $149.47
  • 542-BBCE — 542-BBCE - Dell i350 Quad Port PCI-Express GigaBit Ethernet X 4 Network Adapter for PowerEdge M420 M520 M620 — $205.26
  • 542-BBCH — 542-BBCH - Dell Broadcom 57810-K Dual Port 10 Gigabit Network Interface Card for Dell PowerEdge M620 Server — $273.87
  • 542-BBCI — 542-BBCI - Dell QLogic 5720 Quad-Port Ethernet 1GbE Rack Network Daughter Card — $195.63
  • 542-BBCL — 542-BBCL - Dell Intel i350 Quad Port 1Gb Network Daughter Card — $250.53
  • 542-BBCM — 542-BBCM - Dell Intel X710 Quad Port 10Gb/s Blade Network Daughter Card — $589.47

Pro Disk Network Buyer’s Guide: Network Adapters

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 542-BBBO 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 542-BBBO 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 542-BBBO and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.

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