Sourced for enterprise IT teams managing Cisco UCS C-Series and B-Series blade chassis, plus Catalyst and Nexus switching platforms, the Cisco 8-681-341-51 (8-681-341-51 - Cisco 4200-Watts Dual Input AC Power Supply For Catalyst 4500 / 4500e) is a Power Supplies & Power Protection component matched to OEM specifications. Each unit is verified against manufacturer datasheet revisions and is appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include power of 4200W. Typical use cases include in-place upgrades, EOL replacement under existing OEM service contracts, lab/test environments, and refurbished-rebuild programs. Our procurement team maintains active inventory of the 8-681-341-51 and verifies condition, firmware revision, and OEM part-number registry alignment for each unit prior to sale. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 30-day functional warranty and accepts Net 30 / Net 60 terms for qualified business accounts. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The 8-681-341-51 is a Cisco power supplies & power protection component with power 4200W. Pro Disk Network sells the 8-681-341-51 for $256.93 with same-day US shipping and a 30-day free return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 8-681-341-51 verified against the manufacturer datasheet and our internal lab benchmarks.
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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: Will the 8-681-341-51 fit my system?
The 8-681-341-51 is a Cisco power supplies & power protection part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 8-681-341-51 ship?
Pro Disk Network dispatches the 8-681-341-51 same-day on orders confirmed before 2 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
The 8-681-341-51 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.
Branch UPS — Office or remote site UPS. 1500–3000 VA covers most server-rack mini-deployments with 5–15 minute runtime.
Datacenter UPS Module — Online double-conversion UPS for production server rooms. Match VA rating to total connected load + 30% headroom.
Telco / Battery Backup — DC-powered batteries for telco-class equipment, ISP CPE, and outdoor cabinets. Confirm voltage (-48 V vs +12/24 V).
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 8-681-341-51 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 8-681-341-51
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 8-681-341-51 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%
$256.93
5+
4%
$246.65
10+
8%
$236.38
25+
13%
$223.53
50+
18%
$210.68
100+
23%
$197.84
What is the 8-681-341-51?
The 8-681-341-51 is a Cisco server power supply unit with power 4200W, 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 8-681-341-51
Pros
Lower cost than OEM channel pricing
Matched-pair option for dual-PSU redundancy
3-year typical lifecycle remaining on refurbished tier
Cons
Server-grade PSU — not for desktop or workstation use
Higher in-rush current — confirm UPS sizing
Single-PSU purchase misses matched-pair discount
Frequently Asked Questions about 8-681-341-51
Is the 8-681-341-51 a genuine Cisco part?
Yes. Pro Disk Network sources every 8-681-341-51 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.
Will the 8-681-341-51 fit my system?
The 8-681-341-51 is a Cisco power supplies & power protection part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 8-681-341-51 ship?
Pro Disk Network dispatches the 8-681-341-51 same-day on orders confirmed before 2 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the 8-681-341-51?
New 8-681-341-51 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 8-681-341-51?
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.
Other parts that share the 8 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
8-681-339-01 — 8-681-339-01 - Cisco 2800-Watts AC Power Supply For Catalyst 4500 Series — $473.68
8-681-350-11 — 8-681-350-11 - Cisco 4024-Watts AC Power Supply For Catalyst 6500 Series — $548.82
Pro Disk Network Buyer’s Guide: Power Supplies & Power Protection
PSU Sizing: Connected Load, Efficiency Curves, and N+1 Redundancy
For racks with shared PDUs, plan PDU capacity at 80% of breaker rating, not 100%. A 30A PDU should carry no more than 24A sustained. Distribute high-power chassis across multiple PDUs in dual-feed racks so a single PDU failure does not exceed the survivor's headroom.
AC Input, Phase Balancing, and Datacentre Power Best Practices
The 8-681-341-51 accepts a defined AC voltage range, typically 100-240V or 200-240V for high-output server PSUs. Higher voltage = higher efficiency: a server PSU at 240V input runs 1-2% more efficient than the same PSU at 120V. In datacentres with 208V three-phase, balance loads across the three phases to avoid neutral saturation and reduce harmonic distortion on the upstream UPS.