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Technical Data Sheet
PartsTable / MOTHERBOARD / 708809-4
708809-4 ✓ Verified by PartsTable
SUN · MOTHERBOARD · SERVER_MOTHERBOARD
WHAT YOU NEED TO KNOW
Server motherboards must show provenance from a working machine. Physical inspection on arrival — check for bent or broken pins. The number one problem is physical damage from bad packaging. Consider shipping inside a chassis for protection and always include shipping insurance. Key checks: Physical inspection for bent/broken pins.
#1 problem: physical damage from bad packaging
PRODUCT OVERVIEW
SUN SINGLE 16-CORE 3.6GHZ SYSTEM BOARD

SUN SINGLE 16-CORE 3.6GHZ SYSTEM BOARD. Key specifications include speed: 10GbE, interface: SFP+, protocols: TCP/IP, iSCSI, FCoE, formFactor: Low-profile. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-115-7942, 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→ SERVER_MOTHERBOARD→ 708809-4
NSN: 5985-01-115-7942
FSC: 5985
CAGE: 54X10 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
ports2
speed10GbE
interfaceSFP+
protocolsTCP/IP, iSCSI, FCoE
formFactorLow-profile
NSN5985-01-115-7942
COMPONENT DIAGRAM
CPU 0 LGA 4677 PRIMARY CPU 1 LGA 4677 OPTIONAL VRM PHASE 0 VRM PHASE 1 DIMM (CPU0) DIMM (CPU1) PCIe RISERS RISER 1 (x16) RISER 2 (x8) RISER 3 (x8) iLO / BMC MGMT PORT PCH CHIPSET SATA / NVMe / OCP USB · TPM · CTRL SLOT POWER · FRONT PANEL · FAN HEADERS System Board | Dual Socket | 12x DIMM | 3x PCIe Riser | iLO/BMC | SATA/NVMe/OCP TITLE SYSTEM BOARD PN 708809-4 MFR SUN Sun Single 16-Core 3.6ghz System Board
KEY FEATURES
•
IMPEDANCE RATING IN OHMS: 50.0 NOMINAL
•
CONNECTOR END DESIGN: MALE
•
OPERATING POSITION: ALL POSITIONS
•
TERMINATION TYPE: CONNECTION COAXIAL
•
FREQUENCY RANGE RATING: +0.000 TO 100.000 MEGAHERTZ
•
COAXIAL CONNECTOR SERIES DESIGNATION: BNC
•
POWER RATING: 0.500 WATTS AVERAGE
TECHNICAL CHARACTERISTICS (FLIS)
IMPEDANCE RATING IN OHMS50.0 NOMINAL
CONNECTOR END DESIGNMALE
OPERATING POSITIONALL POSITIONS
TERMINATION TYPECONNECTION COAXIAL
OVERALL LENGTH1.750 INCHES MAXIMUM IN
FREQUENCY RANGE RATING+0.000 TO 100.000 MEGAHERTZ
COAXIAL CONNECTOR SERIES DESIGNATIONBNC
POWER RATING0.500 WATTS AVERAGE
STYLE DESIGNATORCOAXIAL MOUNTED
COOLING METHODSELF-COOLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
CB-12BInterchangeable
Same NIIN cross-reference
interchangeable
50T-509Interchangeable
Same NIIN cross-reference
interchangeable
10067062Interchangeable
Same NIIN cross-reference
interchangeable
0844-51Interchangeable
Same NIIN cross-reference
interchangeable
5-B062-51Interchangeable
Same NIIN cross-reference
interchangeable
5985PL0982281Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 708809-4?
708809-4 is a Sun Single 16-Core 3.6ghz System Board manufactured by SUN. It is classified as a MOTHERBOARD (SERVER_MOTHERBOARD).
What parts can replace 708809-4?
There are 8 known substitutes for 708809-4: CB-12B, 50T-509, 10067062 and 5 more. Substitute compatibility should be verified for your specific system.
Is 708809-4 still available?
708809-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026