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40K8968 — Network Technical Data

IBM · 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

IBM Cable Ethernet Cat5e 3m Blue - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
40K8968
SPECIFICATIONS
Part Number40K8968
ManufacturerIBM
FITS THESE MACHINES
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Lenovo System x x3690 X5
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+ 9 more verified machines
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 40K8968 MFR IBM IBM Cable Ethernet Cat5e 3m Blue - Optio
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
SUBSTITUTES & CROSS-REFERENCES 1
40K5581CompatiblePARTNER
IBM Cable Ethernet Cat5e 3m Blue - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
40K5581SUBSTITUTE
IBM Cable Ethernet Cat5e 3m Blue - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 40K8968?
40K8968 is a IBM Cable Ethernet Cat5e 3m Blue - Option manufactured by IBM.
What parts can replace 40K8968?
There is 1 known substitute for 40K8968: 40K5581. Substitute compatibility should be verified for your specific system.
Is 40K8968 still available?
40K8968 is currently Unknown.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.