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P40557-B21 — HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD

HPE · DRIVE SFF
PRODUCT OVERVIEW

P40557-B21: HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD.

HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD. 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→ P40557-B21
SPECIFICATIONS
Part NumberP40557-B21
ManufacturerHPE
Form FactorSFF
Capacity1.92TB
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COMPONENT DIAGRAM
LATCH 1.92TB SAS — P40557-B21 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1.92TB SAS — P40557-B21 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1.92TB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN P40557-B21 CAP 1.92TB SAS
KEY FEATURES
•
SFF Form Factor
•
1.92TB Capacity
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
SUBSTITUTES & CROSS-REFERENCES 10
P41555-001CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
compatible
P40557-H21CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
compatible
P40557-K21CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
compatible
P40557-X21CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
compatible
P15848-002CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF SSD - Bare Drive
compatible
P19905-H21CompatiblePARTNER
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF SC SSD
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 4
P40557-H21SUBSTITUTE
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
HPE
P40557-K21SUBSTITUTE
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
HPE
P40557-X21SUBSTITUTE
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
HPE
P41555-001SUBSTITUTE
HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD
HPE
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FREQUENTLY ASKED QUESTIONS
What is P40557-B21?
P40557-B21 is a HP 1.92Tb SAS 12G Read Intensive Digitally Signed PM1643a SFF BC SSD manufactured by HPE.
What parts can replace P40557-B21?
There are 10 known substitutes for P40557-B21: P41555-001, P40557-H21, P40557-K21 and 7 more. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.