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01KR561 — Network Technical Data

LENOVO · 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+ 4-Port PCI-E-3.0x8 Intel X710-DA4 Controller for ThinkSystem - Option. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
01KR561
SPECIFICATIONS
Part Number01KR561
ManufacturerLENOVO
Interface10GbE
Capacity10GB
FITS THESE MACHINES
Lenovo ThinkSystem SR650 V1
Lenovo ThinkSystem SR650 V2
Lenovo System x3550 M5
Lenovo System x3650 M5
Lenovo ThinkSystem ST50
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 01KR561 MFR LENOVO IBM NIC 10GbE SFP+ 4-Port PCI-E-3.0x8 In
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 1
7XC7A05525CompatiblePARTNER
IBM NIC 10GbE SFP+ 4-Port PCI-E-3.0x8 Intel X710-DA4 Controller for ThinkSystem - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 1
7XC7A05525SUBSTITUTE
IBM NIC 10GbE SFP+ 4-Port PCI-E-3.0x8 Intel X710-DA4 Controller for ThinkSystem - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 01KR561?
01KR561 is a IBM NIC 10GbE SFP+ 4-Port PCI-E-3.0x8 Intel X710-DA4 Controller for ThinkSystem - Option manufactured by LENOVO.
What parts can replace 01KR561?
There is 1 known substitute for 01KR561: 7XC7A05525. Substitute compatibility should be verified for your specific system.
Is 01KR561 still available?
01KR561 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.