H8519P2BNL - Finisar 1.25Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module

H8519P2BNL - Finisar 1.25Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module

SKU: H8519P2BNL Category: Networking Devices
$92.14 In Stock — Ships Today

About the H8519P2BNL

This H8519P2BNL delivers Networking Devices functionality in a form factor and electrical specification matched to enterprise rack server and data-center deployments. The unit is built for 24/7 enterprise duty cycles and is verified against the OEM part-number registry before listing. Technical specifications include wavelength of 850 nm, range of 550 m. 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 H8519P2BNL 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

  • Wavelength

    850 nm

  • Range

    550 m

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 / MPNH8519P2BNL
CategoryNetworking Devices
Wavelength850 nm
Range550 m
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The H8519P2BNL is a enterprise-grade networking devices component with wavelength 850 nm, range 550 m. Pro Disk Network sells the H8519P2BNL for $92.14 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 H8519P2BNL compatible with my switch?

Pro Disk Network validates every H8519P2BNL 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 H8519P2BNL ship?

H8519P2BNL orders placed before 2 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.

Email engineering for a compatibility check ›

Common Use Cases for H8519P2BNL

The H8519P2BNL 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.

  • 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.
  • Branch / Edge — Smaller form-factor switches and routers for branch sites. SD-WAN-compatible or static-VPN-attached as the architecture dictates.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the H8519P2BNL 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% 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 H8519P2BNL

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 H8519P2BNL 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%$92.14
5+4%$88.45
10+8%$84.77
25+13%$80.16
50+18%$75.55
100+23%$70.95

What is the H8519P2BNL?

The H8519P2BNL is a enterprise networking device with wavelength 850 nm and range 550 m, manufactured for enterprise IT deployments. 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 H8519P2BNL

Pros

  • Lower cost than the OEM channel — same physical optic
  • RoHS, FCC, and CE compliance documentation available
  • SFP+/QSFP28 modules pre-coded for major vendor firmware

Cons

  • Refurbished switches may show minor rack-rail wear
  • Power supplies sold separately on certain SKUs
  • Long-haul ZR4/CFP4 modules subject to export-control screening

Frequently Asked Questions about H8519P2BNL

Is the H8519P2BNL a genuine part?
Yes. Pro Disk Network sources every H8519P2BNL as factory-original inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Is the H8519P2BNL compatible with my switch?
Pro Disk Network validates every H8519P2BNL 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 H8519P2BNL ship?
H8519P2BNL orders placed before 2 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the H8519P2BNL?
New H8519P2BNL units carry the full 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 H8519P2BNL?
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 H8519P2BNL

Other parts that share the H8519P series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • H8519P2BNL-H3C — H8519P2BNL-H3C - Finisar 1250Mb/s 550m 850nm mm eSFP Transceiver — $219.58

Pro Disk Network Buyer’s Guide: Networking Devices

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

For Cisco IOS, IOS-XE, and NX-OS switches, the H8519P2BNL works out-of-box if coded for Cisco; for Aruba ArubaOS-CX, code for HPE/Aruba; for Juniper Junos, code for Juniper. Pro Disk Network confirms the target vendor coding at order time and applies it before shipping. Misordered coding can be flashed in the field but the lead time is longer than ordering correctly the first time.

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

Document optic types and bandwidth in your network drawings: SR-SR for intra-rack, LR-LR for inter-rack and DCI, ZR4 for long-haul coherent. Mismatched optic-distance ratings is the most common cause of intermittent link errors that look like cable problems but aren't.

Part of

Enterprise Networking Hub

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