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P05946-X21 — Storage Datasheet

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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

HP 3.84Tb SATA 6G Read Intensive Digitally Signed Multi Vendor SFF SSD - Bare Drive. 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→ P05946-X21
SPECIFICATIONS
Part NumberP05946-X21
ManufacturerHPE
Form FactorSFF
Capacity3.84TB
COMPONENT DIAGRAM
LATCH 3.84TB SAS — P05946-X21 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 3.84TB SAS — P05946-X21 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 3.84TB | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN P05946-X21 CAP 3.84TB SAS
KEY FEATURES
•
SFF Form Factor
•
3.84TB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
P05946-B21Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
compatible
P08575-001Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
compatible
P05923-005Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SSD - Bare Drive
compatible
P05946-H21Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
compatible
P05946-K21Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
compatible
P19133-B21Compatible
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD for DX Servers
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 7
P05923-005SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
P05946-B21SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
P05946-H21SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
P05946-K21SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
P08575-001SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
P19133-B21SUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
VK003840GWTTDSUBSTITUTE
HP 3.84Tb SATA 6G Read Intensive Digitally Signed S4510 SFF SC SSD
HPE
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FREQUENTLY ASKED QUESTIONS
What is P05946-X21?
P05946-X21 is a HP 3.84Tb SATA 6G Read Intensive Digitally Signed Multi Vendor SFF SSD - Bare Drive manufactured by HPE.
What parts can replace P05946-X21?
There are 12 known substitutes for P05946-X21: P05946-B21, P08575-001, P05923-005 and 9 more. Substitute compatibility should be verified for your specific system.
Is P05946-X21 still available?
P05946-X21 is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: September 2026