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P40432-B21 ✓ Verified by PartsTable
HPE · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

The HP P40432-B21 HPE 900GB SAS 12G Mission Critical 15K SFF BC Manufacturer: HP ItemCondition: REF Model: Alternative Part Numbers: is a HPE hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include Generation: 12th Gen. The unit ships in a SFF form factor suitable for standard rack-mount installations.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SFF BAY→ P40432-B21
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
LATCH 900GB SAS 15K RPM P40432-B21 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 900GB SAS 15K RPM P40432-B21 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 900GB | SAS 15K RPM Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN P40432-B21 CAP 900GB SAS
KEY FEATURES
•
SFF Form Factor
•
900GB Capacity
•
15K RPM Speed
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
P40784-001Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
compatible
P40432-H21Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
compatible
P40432-K21Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
compatible
P40432-X21Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
compatible
867254-003Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF HDD - Bare Drive
compatible
870759-H21Compatible
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF SC HDD
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
P40432-H21SUBSTITUTE
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
HPE
P40432-K21SUBSTITUTE
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
HPE
P40432-X21SUBSTITUTE
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
HPE
P40784-001SUBSTITUTE
HP 900Gb SAS 12G 15K 512n Digitally Signed SFF BC Mission Critical HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is P40432-B21?
P40432-B21 is a HP P40432-B21 HPE 900GB SAS 12G Mission Critical 15K SFF BC Manufacturer: HP ItemCondition: REF Model: Alternative Part Numbers: manufactured by HPE.
What parts can replace P40432-B21?
There are 12 known substitutes for P40432-B21: P40784-001, P40432-H21, P40432-K21 and 9 more. Substitute compatibility should be verified for your specific system.
Is P40432-B21 still available?
P40432-B21 is currently Unknown.
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Last verified: July 2026