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PartsTable / CONTROLLER / 405835-001
405835-001 ✓ Verified by PartsTable
HP · CONTROLLER · RAID_HBA
WHAT YOU NEED TO KNOW
RAID HBAs — always confirm bracket height (full or half). Ship unlocked with test reports. Our edge: we can verify specific firmware versions. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW
HP 512MB CACHE FOR SMART ARRAY P400

HP 512MB CACHE FOR SMART ARRAY P400. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-555-0046, indicating validated use in U.S.

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

WHERE IT FITS
CONTROLLER→ RAID_HBA→ 405835-001
NSN: 5998-01-555-0046
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number405835-001
ManufacturerHP
Capacity512MB
NSN5998-01-555-0046
COMPONENT DIAGRAM
RAID ASIC CACHE FBWC SAS 0 SAS 1 SAS 2 SAS 3 BATT EXT 0 EXT 1 PCIe x8 ~187 mm STORAGE CONTROLLER | RAID 0,1,5,6,10 | PCIe SAS/SATA | FBWC cache | Battery backup connector | TITLE RAID CTRL PN 405835-001 MFR HP HP 512MB Cache for Smart Array P400
KEY FEATURES
•
512MB Capacity
•
FUNCTIONAL DESCRIPTION: HP SMART ARRAY P400 CONTROLLER
•
MAJOR COMPONENTS: PROLIANT SERVERS; HIGH AVAILABILITY; MANAGEMENT SOFTWARE; OPTIONS; STORAGE
TYPICAL APPLICATIONS
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION00554671 (28480), SERVER, ML370 G5 RACKMOUNT; 400607-B21 (28480), SERVER, ML370T G5
FUNCTIONAL DESCRIPTIONHP SMART ARRAY P400 CONTROLLER
MAJOR COMPONENTSPROLIANT SERVERS; HIGH AVAILABILITY; MANAGEMENT SOFTWARE; OPTIONS; STORAGE
PART NAME ASSIGNED BY CONTROLLING AGENCYSMART ARRAY P400 CONTROLLER
SPECIAL FEATURESPCI BUS IS PCIE X8; PCI PEAK DATA TRANSFER RATE 2GB/S; CHANNELS 8 SAS PORTS; CONNECTORS (EXTERNAL/INTERNAL) 0/2; DRIVES SUPPORTED (MAX) 18; CACHE 256MB DDR2-RAM, WITH AVAILABLE BBWC UPGRADE AND 512MB BBWC UPGRADE; I/O SLOT PCI-EXPRESS GB
END ITEM IDENTIFICATION00554671 (28480), SERVER, ML370 G5 RACKMOUNT; 400607-B21 (28480), SERVER, ML370T G5
FUNCTIONAL DESCRIPTIONHP SMART ARRAY P400 CONTROLLER
MAJOR COMPONENTSPROLIANT SERVERS; HIGH AVAILABILITY; MANAGEMENT SOFTWARE; OPTIONS; STORAGE
PART NAME ASSIGNED BY CONTROLLING AGENCYSMART ARRAY P400 CONTROLLER
SPECIAL FEATURESPCI BUS IS PCIE X8; PCI PEAK DATA TRANSFER RATE 2GB/S; CHANNELS 8 SAS PORTS; CONNECTORS (EXTERNAL/INTERNAL) 0/2; DRIVES SUPPORTED (MAX) 18; CACHE 256MB DDR2-RAM, WITH AVAILABLE BBWC UPGRADE AND 512MB BBWC UPGRADE; I/O SLOT PCI-EXPRESS GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
012764-003Interchangeable
HP 512MB Cache for Smart Array P400
interchangeable
411064-B21Interchangeable
Same NIIN cross-reference
interchangeable
405148-B21Compatible
HP Smart Array BBWC 512Mb Upgrade for P400 - Includes Battery
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
012764-003SUBSTITUTE
HP Smart Array BBWC 512Mb Cache Module for P400
HPE
405148-B21SUBSTITUTE
HP Smart Array BBWC 512Mb Cache Module for P400
HPE
405149-B21SUBSTITUTE
HP Smart Array BBWC 512Mb Cache Module for P400
HPE
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FREQUENTLY ASKED QUESTIONS
What is 405835-001?
405835-001 is a HP 512MB Cache for Smart Array P400 manufactured by HP. It is classified as a CONTROLLER (RAID_HBA).
What parts can replace 405835-001?
There are 3 known substitutes for 405835-001: 012764-003, 411064-B21, 405148-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 405835-001?
405835-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-555-0046. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026