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437573-B21 ✓ Verified by PartsTable
HP · POWER_SUPPLY · DC_PSU
WHAT YOU NEED TO KNOW
DC power supplies — be careful not to confuse DC with AC. These are specific part numbers.
DC vs AC confusion is common
PRODUCT OVERVIEW
HP 1200W HOT PLUG 48VDC POWER SUPPLY

HP Common Slot (CS) Power Supplies share a common electrical and physical design that allows for hot-swap, tool-less installation into HP server and storage solutions. CS power supplies are available in multiple high-efficiency input and output options, allowing users to “right-size” a power supply for specific server/storage configurations and environments. This flexibility helps to minimize power waste, lower overall energy costs, and avoid "trapped" power capacity in the data center.<br><br>A key part of the HP Thermal Discovery Services, CS Power Supplies provide the IT industry’s highest level of power efficiency(up to 96%), helping customers to reduce power requirements by up to 60W per server and reducing overall data center power requirements by up to 10% (as compared to ProLiant G6 power estimates).

CS Platinum Plus, and Titanium power supplies also enable HP Power Discovery Services which focus on increasing compute density while reducing data center outages.

WHERE IT FITS
POWER_SUPPLY DC_PSU 437573-B21
SPECIFICATIONS
Part Number437573-B21
ManufacturerHP
Wattage1200W
COMPONENT DIAGRAM
DC IN -48V / 380V + - 12V OUT PULL HANDLE 80+ TITANIUM, HOT-SWAP DC POWER SUPPLY -48VDC or 380VDC input For telecom / DC-powered racks 1200W, redundant TITLE DC PSU PN 437573-B21 MFR HP HP 1200W Hot Plug 48VDC Power Supply
KEY FEATURES
1200W Power Rating
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
451816-001Compatible
HP RPS 1200W DC 48v Common Slot
compatible
444049-001Compatible
HP RPS 1200W DC 48v Common Slot
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
444049-001SUBSTITUTE
HP RPS 1200W DC 48v Common Slot
HPE
451816-001SUBSTITUTE
HP RPS 1200W DC 48v Common Slot
HPE
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FREQUENTLY ASKED QUESTIONS
What is 437573-B21?
437573-B21 is a HP 1200W Hot Plug 48VDC Power Supply manufactured by HP. It is classified as a POWER_SUPPLY (DC_PSU).
What parts can replace 437573-B21?
There are 2 known substitutes for 437573-B21: 451816-001, 444049-001. Substitute compatibility should be verified for your specific system.
Is 437573-B21 still available?
437573-B21 is currently Unknown.
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