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Technical Data Sheet
PartsTable / MOTHERBOARD / 593722-B21
593722-B21 ✓ Verified by PartsTable
HPE · MOTHERBOARD · BACKPLANE
WHAT YOU NEED TO KNOW
Backplanes — always check if cables are included or just the assembly.
PRODUCT OVERVIEW

The BACKPLANE ASSEMBLY is a HPE industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-615-5440, 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
MOTHERBOARD→ BACKPLANE→ 593722-B21
NSN: 5998-01-615-5440
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 7ES51 — HEWLETT PACKARD ENTERPRISE COMPANY (USA)
SPECIFICATIONS
Part Number593722-B21
ManufacturerHPE
NSN5998-01-615-5440
COMPONENT DIAGRAM
BAY 0SAS/SATA BAY 1SAS/SATA BAY 2SAS/SATA BAY 3SAS/SATA BAY 4SAS/SATA BAY 5SAS/SATA BAY 6SAS/SATA BAY 7SAS/SATA SAS EXP CHIP SAS IN 0 SAS IN 1 PWR 8-BAY SFF DRIVE BACKPLANE | 8-Bay SFF | SAS/SATA SAS expander | Dual SAS input | SAS/SATA TITLE BACKPLANE PN 593722-B21 MFR HPE BACKPLANE ASSEMBLY
KEY FEATURES
•
MAJOR COMPONENTS: 4 RJ-45 NETWORK PORTS
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR COMPONENTS4 RJ-45 NETWORK PORTS
OVERALL LENGTH5.3 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNIC, 4 PORT ETHERNET
SPECIAL FEATURESPCI EXPRESS X16; LOW PROFILE; 10/100/1000BASE-T
END ITEM IDENTIFICATIONPERSONAL COMPUTER
OVERALL HEIGHT2.7 INCHES NOMINAL IN
MAJOR COMPONENTS4 RJ-45 NETWORK PORTS
OVERALL LENGTH5.3 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNIC, 4 PORT ETHERNET
SPECIAL FEATURESPCI EXPRESS X16; LOW PROFILE; 10/100/1000BASE-T
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
10358177Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
593720-001SUBSTITUTE
HP NC365T 1GbE RJ-45 4-Port PCI-E-2.0x4 Ethernet Controller (Intel 82580)
HPE
593743-001SUBSTITUTE
HP NC365T 1GbE RJ-45 4-Port PCI-E-2.0x4 Ethernet Controller (Intel 82580)
HPE
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FREQUENTLY ASKED QUESTIONS
What is 593722-B21?
593722-B21 is a BACKPLANE ASSEMBLY manufactured by HPE. It is classified as a MOTHERBOARD (BACKPLANE).
What parts can replace 593722-B21?
There is 1 known substitute for 593722-B21: 10358177. Substitute compatibility should be verified for your specific system.
What is the NSN for 593722-B21?
593722-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-615-5440. 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