This Cisco DWDMXENPAK40.56-RF delivers Networking Devices functionality in a form factor and electrical specification matched to Cisco UCS C-Series and B-Series blade chassis, plus Catalyst and Nexus switching platforms. The unit is built for 24/7 enterprise duty cycles and is verified against the OEM part-number registry before listing. Technical specifications include capacity of 10 GB, data rate of 10 Gb/s, network speed of 10 GbE, wavelength of 56 nm. 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 maintains the DWDMXENPAK40.56-RF in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 30-day Pro Disk Network functional warranty. Net 30 terms are available for qualified business accounts. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.
The DWDMXENPAK40.56-RF is a Cisco networking devices component with capacity 10 GB, data rate 10 Gb/s, network speed 10 GbE. Pro Disk Network sells the DWDMXENPAK40.56-RF for $2,879.90 with same-day US shipping and a 30-day free return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the DWDMXENPAK40.56-RF verified against the manufacturer datasheet and our internal lab benchmarks.
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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 DWDMXENPAK40.56-RF compatible with my switch?
Pro Disk Network validates every DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF ship?
If in stock, the DWDMXENPAK40.56-RF 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.
The DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF 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.
Tier
Discount vs OEM List
Warranty
Best For
New (Sealed OEM)
25–40%
Cisco manufacturer warranty (1–5 yr)
Production-critical first-tier
New (Bulk OEM)
50–65%
3-year Pro Disk Network warranty
New cluster builds, secondary tier
Refurbished
75–85%
12-month advance replacement
Capacity expansion, lab, dev/test, EOL refresh
Bulk & Volume Pricing for DWDMXENPAK40.56-RF
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 DWDMXENPAK40.56-RF are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.
Quantity
Discount
Unit Price
1
0%
$2,879.90
5+
4%
$2,764.70
10+
8%
$2,649.51
25+
13%
$2,505.51
50+
18%
$2,361.52
100+
23%
$2,217.52
What is the DWDMXENPAK40.56-RF?
The DWDMXENPAK40.56-RF is a Cisco enterprise networking device with capacity 10 GB and data rate 10 Gb/s, manufactured by Cisco. 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.
Cisco/Aruba/Juniper-compatible transceivers tested in our lab
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 DWDMXENPAK40.56-RF
Is the DWDMXENPAK40.56-RF a genuine Cisco part?
Yes. Pro Disk Network sources every DWDMXENPAK40.56-RF as factory-original Cisco inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Cisco servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Is the DWDMXENPAK40.56-RF compatible with my switch?
Pro Disk Network validates every DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF ship?
If in stock, the DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF?
New DWDMXENPAK40.56-RF units carry the full Cisco 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 DWDMXENPAK40.56-RF?
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.
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 DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF 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 DWDMXENPAK40.56-RF and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.