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26K5208 ✓ Verified by PartsTable
IBM · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

The IBM 146.8GB 10K 2Gbps FC HS is a IBM networking component designed for high-speed data center interconnects and enterprise network infrastructure. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ RDIMM→ 26K5208
SPECIFICATIONS
Part Number26K5208
ManufacturerIBM
Capacity146.8GB
Speed10K RPM
COMPONENT DIAGRAM
ECC 146.8GB 2Rx4 PC4 10K RPM RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 146.8GB | 10K RPM | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 26K5208 MFR IBM 146.8GB 10K RPM
KEY FEATURES
•
146.8GB Capacity
•
10K RPM Speed
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
32P0765Compatible
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - Option
compatible
17R6336Compatible
IBM 146GB FC 2GB 10k LFF HDD for Ds4300/exp700/exp710 - P/n
compatible
24P3721Compatible
IBM 146GB FC 2GB 10k LFF HDD for Ds4300/exp700/exp710 - P/n
compatible
32P0766Compatible
IBM 146GB FC 2GB 10k LFF HDD for Ds4300/exp700/exp710 - Fru
compatible
32P0767Compatible
IBM 146GB FC 2GB 10k LFF HDD for Ds4300/exp700/exp710 - P/n
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
17R6336SUBSTITUTE
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - P/N
IBM
24P3721SUBSTITUTE
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - P/N
IBM
32P0765SUBSTITUTE
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - P/N
IBM
32P0766SUBSTITUTE
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - P/N
IBM
32P0767SUBSTITUTE
IBM 146Gb FC 2Gb 10K LFF HDD for DS4300/EXP700/EXP710 - P/N
IBM
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FREQUENTLY ASKED QUESTIONS
What is 26K5208?
26K5208 is a IBM 146.8GB 10K 2Gbps FC HS manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 26K5208?
There are 5 known substitutes for 26K5208: 32P0765, 17R6336, 24P3721 and 2 more. Substitute compatibility should be verified for your specific system.
Is 26K5208 still available?
26K5208 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026