Is the HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) worth buying?

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) averages, so buyer feedback is well-established. Read recent reviews on Amazon to see how it holds up for use cases similar to yours.

What are the alternatives to the HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625)?

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) competes with other Power Supplies products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Power Supplies category for alternatives.

Who makes the HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625)?

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) is manufactured by HP. See all HP products on SpecPicks via the brand page.

How is the HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) shipped and returned?

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) is sold through Amazon. Amazon Prime members generally receive free 1-2 day shipping; non-Prime orders are subject to Amazon's standard shipping rates. Full returns policy applies per Amazon Associate terms.

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625)

Name: HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625)
Brand: HP
SKU: B001RQ4Z7A
Price: 61.01 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-21

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$61.01

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $61.01. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Product TypeATX12V Power Supply
✓ Backed by HP's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

HP ATX12V Power Supply - 300 W - Internal - 110 V AC, 220 V AC

SpecPicks Verdict

SpecPicks scored HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. HP's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

Product TypeATX12V Power Supply
Brand NameHP
ManufacturerHP-IMSourcing
Product NameATX12V Power Supply
Manufacturer Part Number5188-2625

Full Specifications

ASIN	B001RQ4Z7A
Brand	HP
Wattage	300 watts
Fan Count	1
Form Factor	ATX
Item Weight	4 Pounds
Manufacturer	HP
Model Number	5188-2625
Connector Type	ATX
Cooling Method	Air
Output Wattage	300 Watts
Item model number	5188-2625
Compatible Devices	Personal Computer
Product Dimensions	8 x 6 x 3.5 inches
Date First Available	February 5, 2009
Item dimensions L x W x H	8 x 6 x 3.5 inches
Is Discontinued By Manufacturer	No

Ready to buy?

HP Power Supply - 300-Watt (Merlot C) Regulated (5188-2625) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.