PartsTable
Intelligence Platform
Buy on eBay
PartsTable / SERVERS / 817753-B21
817753-B21 ✓ Verified by PartsTable
HPE · NIC ADAPTER
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

The HP 817753-B21 HP 817753-B21 ETHERNET 10/25GB 2P 640SFP28 ADP. HP 817753-B21 Technical Details: Brand: HP Part Number: 817753-B21 Condition: Used R2v3 Cosmetic Code: Used Good R2v3 Functional Code: F4 Fully Tested R2v3 Controlled Status: Controlled R2v3 Data Sanitization: Non-Data Device Check out used HP ProCurve switches for cost-effective, enterprise-ready network hardware. Why Buy HP hardware from Alta Technologies? With over 1.3 million systems and parts in stock, Alta offers unparalleled inventory selection and expertise.

Our dedicated HP product team, led by Andrew Riedl, provides expert testing and exceptional support. We offer competitive bulk discounts, fast same-day shipping, and even buy-back options for your Servers and HBAs Network Adapters equipment. Contact information: Andrew Riedl HP Product Manager Phone: 763.475.5344 Email: [email protected] is a HPE networking component designed for high-speed data center interconnects and enterprise network infrastructure.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6099-01-726-6685, 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
817753-B21
NSN: 6099-01-726-6685
FSC: 6099 — PANEL,PATCHING,FIBER OPTIC
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number817753-B21
ManufacturerHPE
Capacity25GB
NSN6099-01-726-6685
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 817753-B21 MFR HPE HP 817753-B21 HP 817753-B21 ETHERNET 10/
KEY FEATURES
•
25GB Capacity
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYETHERNET ADAPTER
SPECIAL FEATURES10/25GB 2-PORT 640SFP28 ADAPTER GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
817753R-B21Interchangeable
Same NIIN cross-reference
interchangeable
840140-001Compatible
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx)
compatible
817751-001Compatible
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx)
compatible
P18462-B21Compatible
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx) for DX Servers
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
THIS PART SUBSTITUTES FOR 3
P18462-B21SUBSTITUTE
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx)
HPE
817751-001SUBSTITUTE
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx)
HPE
840140-001SUBSTITUTE
HP NIC 640SFP28 10/25GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Mellanox ConnectX-4 Lx)
HPE
Ready to buy 817753-B21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 817753-B21?
817753-B21 is a HP 817753-B21 HP 817753-B21 ETHERNET 10/25GB 2P 640SFP28 ADP. HP 817753-B21 Technical Details: Brand: HP Part Number: 817753-B21 Condition: Used R2v3 Cosmetic Code: Used Good R2v3 Functional Code: F4 Fully Tested R2v3 Controlled Status: Controlled R2v3 Data Sanitization: Non-Data Device Check out used HP ProCurve switches for cost-effective, enterprise-ready network hardware. Why Buy HP hardware from Alta Technologies? With over 1.3 million systems and parts in stock, Alta offers unparalleled inventory selection and expertise. Our dedicated HP product team, led by Andrew Riedl, provides expert testing and exceptional support. We offer competitive bulk discounts, fast same-day shipping, and even buy-back options for your Servers and HBAs Network Adapters equipment. Contact information: Andrew Riedl HP Product Manager Phone: 763.475.5344 Email: [email protected] manufactured by HPE.
What parts can replace 817753-B21?
There are 4 known substitutes for 817753-B21: 817753R-B21, 840140-001, 817751-001 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 817753-B21?
817753-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6099-01-726-6685. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
Loading comments...
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Need a quote for 817753-B21?

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026