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59Y1954 — Network Technical Data

IBM · SFP TRANSCEIVER
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

IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
59Y1954
SPECIFICATIONS
Part Number59Y1954
ManufacturerIBM
Interface10GbE
Capacity10GB
FITS THESE MACHINES
Lenovo System x iDataPlex dx360 Server M3
Lenovo System x x3550 M3
Lenovo System x x3650 M3
Lenovo System x x3690 X5
Lenovo System x3630 M3
Lenovo System x3755 M3
Lenovo System x3850 X5
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 59Y1954 MFR IBM IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Ch
KEY FEATURES
•
10GbE Interface
•
10GB 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
SUBSTITUTES & CROSS-REFERENCES 2
59Y1952CompatiblePARTNER
IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - Option
compatible
59Y1953CompatiblePARTNER
IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - P/N
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2
59Y1952SUBSTITUTE
IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - FRU
IBM
59Y1953SUBSTITUTE
IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 59Y1954?
59Y1954 is a IBM NIC 10GbE SFP+ 1-Port PCI-E-1.1x8 Chelsio S310E-CR Controller - Option manufactured by IBM.
What parts can replace 59Y1954?
There are 2 known substitutes for 59Y1954: 59Y1952, 59Y1953. Substitute compatibility should be verified for your specific system.
Is 59Y1954 still available?
59Y1954 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.