Sourced for enterprise IT teams managing HP / HPE ProLiant DL360, DL380, ML350 and BL series platforms, the HP PS-5151-4A (PS-5151-4A - HP 145-Watts ATX Power Supply for Prolinea 5100) 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 145W. 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 PS-5151-4A 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 PS-5151-4A is a HP power supplies & power protection component with power 145W. Pro Disk Network sells the PS-5151-4A for $280.32 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 PS-5151-4A 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
The PS-5151-4A is a HP 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 PS-5151-4A ship?
If in stock, the PS-5151-4A 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 PS-5151-4A 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.
Redundant Server Power — N+1 PSU configurations in dual-feed racks — order matched units in pairs to maintain hot-spare semantics.
Rack PDU Replacement — Vertical or horizontal PDUs in cabinet retrofits. Metered or switched models for granular outlet-level control.
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.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the PS-5151-4A 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%
HP 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 PS-5151-4A
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 PS-5151-4A 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%
$280.32
5+
4%
$269.11
10+
8%
$257.89
25+
13%
$243.88
50+
18%
$229.86
100+
23%
$215.85
What is the PS-5151-4A?
The PS-5151-4A is a HP server power supply unit with power 145W, manufactured by HP. 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 PS-5151-4A
Pros
Burn-in tested against full rated load before shipping
Drop-in replacement for failed PSUs in matching chassis
Same-day US shipping reduces production downtime
Cons
Refurbished tier may show minor chassis-slot wear
Larger orders may ship LTL freight
Older form factors deprecated by latest chassis revisions
Frequently Asked Questions about PS-5151-4A
Is the PS-5151-4A a genuine HP part?
Yes. Pro Disk Network sources every PS-5151-4A as factory-original HP inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the PS-5151-4A fit my system?
The PS-5151-4A is a HP 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 PS-5151-4A ship?
If in stock, the PS-5151-4A 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 PS-5151-4A?
New PS-5151-4A units carry the full HP 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 PS-5151-4A?
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 PS series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
PS-5151-1 — PS-5151-1 - Dell 145-Watts 100-127V / 200-240V ATX Power Supply for OptiPlex — $344.33
PS-5151-3HF — PS-5151-3HF - HP 150-Watts ATX Power Supply for Evo D530 — $282.20
Pro Disk Network Buyer’s Guide: Power Supplies & Power Protection
PSU Sizing: Connected Load, Efficiency Curves, and N+1 Redundancy
Sizing the PS-5151-4A or its replacement starts with calculating connected load. Add up the nameplate wattage of CPUs, GPUs, drives, fans, and add-in cards under maximum sustained load. Idle is irrelevant; peak sustained is what matters. Size the PSU at 60-80% of nameplate load for best efficiency — modern Platinum/Titanium PSUs hit peak efficiency at 50% load and degrade above 80%.
AC Input, Phase Balancing, and Datacentre Power Best Practices
For UPS-fed servers, confirm the UPS output waveform is compatible with the PS-5151-4A's input. Modern PSUs accept both sine-wave and high-quality simulated sine-wave inputs, but older or stepped-approximation UPS outputs can cause buzzing or premature PSU failure. When in doubt, use double-conversion online UPS units.