What speeds does the Dell M14MK support?

It is dual rate: 10GbE and 25GbE.

What fiber and connector does the M14MK use?

Multimode fiber with a duplex LC connector, at 850nm.

What does the 85C in the title mean?

It is the operating temperature rating of the module: 85C.

Is 0M14MK the same part as M14MK?

Yes, 0M14MK is an alternative number for this transceiver.

Illustration

Dell

M14MK

Photo on request

Dell

Dell 10/25GbE SFP28 SR 850nm Transceiver, 85C

Name: Dell 10/25GbE SFP28 SR 850nm Transceiver, 85C
Brand: Dell
SKU: M14MK

MPNM14MK

Also known as 0M14MK

Dell M14MK is a dual-rate 10/25GbE SFP28 SR optical transceiver at 850nm for multimode fiber, with a duplex LC connector and an 85C temperature rating.

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Tested, cleaned and graded. Fully functional, with warranty.

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Dell 10/25GbE SFP28 SR 850nm Transceiver, 85C

M14MK · Refurbished · 1 year warranty

Quantity (units)

Overview

This Dell optic is a short-reach (SR) SFP28 transceiver that runs at either 10GbE or 25GbE. Dual-rate support means the same module can sit in a 10GbE port today and a 25GbE port later.

It transmits at 850nm over multimode fiber and terminates on a duplex LC connector, the usual pairing for links between servers and switches inside a data center. The module carries an 85C operating temperature rating.

Use it in SFP28 ports on Dell switches and adapters when you need fiber links rather than direct-attach copper. Match the fiber type at both ends: SR optics need multimode cabling.

The padded part number 0M14MK refers to the same transceiver.

We can supply the M14MK New or Refurbished, each with 1 year or 3 years of warranty. Optics are often bought in pairs or larger lots, so tell us the total count and we will reply with pricing.

Specifications

Dell M14MK specifications
Manufacturer part number	M14MK
Brand	Dell
Form factor	SFP28
Type	SR
Media	Multimode fiber
Connector	Duplex LC
Port speed	10/25GbE dual rate
Type	Transceiver
Wavelength	850 nm
Operating temperature rating	85C

Alternative part numbers

Other numbers for M14MK, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for M14MK
Part number	Type	Brand	Note
0M14MK	Alternative	Same brand	Same Dell part number with the leading zero, as printed on the labelQuote this part number

FAQ

What speeds does the Dell M14MK support?: It is dual rate: 10GbE and 25GbE.
What fiber and connector does the M14MK use?: Multimode fiber with a duplex LC connector, at 850nm.
What does the 85C in the title mean?: It is the operating temperature rating of the module: 85C.
Is 0M14MK the same part as M14MK?: Yes, 0M14MK is an alternative number for this transceiver.