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845398-B21 ✓ Verified by PartsTable
HP · TRANSCEIVER · SFP28_25G
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW
HP 25GB SFP28 SR 100M TRANSCEIVER

HP 25GB SFP28 SR 100M TRANSCEIVER. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7010-01-724-1669, 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
TRANSCEIVER SFP28_25G 845398-B21
NSN: 7010-01-724-1669
FSC: 7010 — COMPUTER SYSTEM,DIGITAL
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number845398-B21
ManufacturerHP
Capacity25GB
NSN7010-01-724-1669
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN 845398-B21 MFR HP HP 25GB Sfp28 Sr 100m Transceiver
KEY FEATURES
25GB Capacity
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES25 GIGABYTE
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE TRANSCEIVER
SPECIAL FEATURES25 GIGABYTE
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE TRANSCEIVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
845398-B21Upgraded Successor
HP 25GB Sfp28 Sr 100m Transceiver
successor
849442-001Compatible
HP GBIC SFP28 25GbE SR 100m Transceiver Module
compatible
P18413-B21Compatible
HP GBIC SFP28 25GbE SR 100m Transceiver Module
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
THIS PART SUBSTITUTES FOR 2
P18413-B21SUBSTITUTE
HP GBIC SFP28 25GbE SR 100m Transceiver Module
HPE
849442-001SUBSTITUTE
HP GBIC SFP28 25GbE SR 100m Transceiver Module
HPE
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FREQUENTLY ASKED QUESTIONS
What is 845398-B21?
845398-B21 is a HP 25GB Sfp28 Sr 100m Transceiver manufactured by HP. It is classified as a TRANSCEIVER (SFP28_25G).
What parts can replace 845398-B21?
There are 3 known substitutes for 845398-B21: 845398-B21, 849442-001, P18413-B21. Substitute compatibility should be verified for your specific system.
What is the NSN for 845398-B21?
845398-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7010-01-724-1669. This indicates validated use in U.S. government and defense supply chains.
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