Cisco ASR 900 4-Port OC3/STM1 or 1-Port

Cisco ASR 900 4-Port OC3/STM1 or 1-Port

SKU: A900-IMA4OS-RF Brand: Cisco Category: Networking Devices
$6,035.29 In Stock — Ships Today

About the A900-IMA4OS-RF

This Cisco A900-IMA4OS-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 ports of 4. 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 A900-IMA4OS-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.

Specifications

Part Identification

Technical Specifications

  • Ports

    4

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 / MPNA900-IMA4OS-RF
ManufacturerCisco
CategoryNetworking Devices
Ports4
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The A900-IMA4OS-RF is a Cisco networking devices component with ports 4. Pro Disk Network sells the A900-IMA4OS-RF for $6,035.29 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 A900-IMA4OS-RF compatible with my switch?

Pro Disk Network validates every A900-IMA4OS-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 A900-IMA4OS-RF ship?

If in stock, the A900-IMA4OS-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.

Email engineering for a compatibility check ›

Common Use Cases for A900-IMA4OS-RF

The A900-IMA4OS-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 A900-IMA4OS-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.

TierDiscount vs OEM ListWarrantyBest 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 warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

Bulk & Volume Pricing for A900-IMA4OS-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 A900-IMA4OS-RF 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%$6,035.29
5+4%$5,793.88
10+8%$5,552.47
25+13%$5,250.70
50+18%$4,948.94
100+23%$4,647.17

What is the A900-IMA4OS-RF?

The A900-IMA4OS-RF is a Cisco enterprise networking device with ports 4, 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.

Pros & Cons of A900-IMA4OS-RF

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

  • Third-party optic — some firmware revs require "service unsupported transceiver-type"
  • Bulk DAC orders may ship LTL on >100-pc reels
  • Confirm transceiver coding before mixing vendors in the same chassis

Frequently Asked Questions about A900-IMA4OS-RF

Is the A900-IMA4OS-RF a genuine Cisco part?
Yes. Pro Disk Network sources every A900-IMA4OS-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 A900-IMA4OS-RF compatible with my switch?
Pro Disk Network validates every A900-IMA4OS-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 A900-IMA4OS-RF ship?
If in stock, the A900-IMA4OS-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 A900-IMA4OS-RF?
New A900-IMA4OS-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 A900-IMA4OS-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.

Similar Products

From the Same Series as A900-IMA4OS-RF

Other parts that share the A900 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • A900-IMA1X — Cisco A900-IMA1X 1-Port 10GE XFP Interface Module — $1,407.26
  • A900-IMA2Z — Cisco ASR 900 2PT 10GE SFP+/XFP I/F MOD — $5,139.57
  • A900-IMA8D — Cisco A900-IMA8D ASR 900 8-Port T1/E1 Interface Module — $1,539.09
  • A900-IMA8S — Cisco Asr 900 8Pt Sfp Gb Eth I/F Mod Spare — $5,396.55

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 A900-IMA4OS-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 A900-IMA4OS-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 A900-IMA4OS-RF and the connected NICs support jumbo frames — some older NICs cap at 9000-byte payloads even when jumbo-enabled.