**EXHIBIT 31.1**

 

**CERTIFICATION PURSUANT TO**

**SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

 

I, Greg R. Meland, certifythat:

 

1.             I have reviewed this annual report on Form 10-K ofDatalink Corporation (the “Registrant”);

 

2.             Based on my knowledge, this report does not contain anyuntrue statement of a material fact or omit to state a material fact necessaryto make the statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period covered by thisreport;

 

3.             Based on my knowledge, the financial statements, andother financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the Registrant as of, and for, the periods presented in this report;

 

4.             The Registrant’s other certifying officer and I areresponsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the Registrantand we have:

 

(a)           designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theRegistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared;

 

(b)           evaluated the effectiveness of theRegistrant’s disclosure controls and procedures and presented in this reportour conclusions about the effectiveness of the disclosure controls andprocedures as of the end of the period covered by this report based on suchevaluation ; and

 

(c)           disclosed in this report any changein the Registrant’s internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) that occurred during theRegistrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the Registrant’s internal control over financialreporting.

 

5.             The Registrant’s other certifying officer and I havedisclosed, based on our most recent evaluation of internal control overfinancial reporting, to the Registrant’s auditors and the audit committee ofthe Registrant’s board of directors (or persons performing the equivalentfunctions):

 

(a)           all significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theRegistrant’s ability to record, process, summarize and report financialinformation; and

 

(b)           any fraud, whether or not material,that involves management or other employees who have a significant role in theRegistrant’s internal control over financial reporting.

 

Date:  March 31, 2005
|   | By:    | /s/ Greg R. Meland                       |
|--------|--------|------------------------------------------|
|   |   | Greg R.  Meland, Chief Executive Officer |

 

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**CERTIFICATION PURSUANT TO**

**SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

 

I, Daniel J. Kinsella, certifythat:

 

1.             I have reviewed this annual report on Form 10-K ofDatalink Corporation (the “Registrant”);

 

2.             Based on my knowledge, this report does not contain anyuntrue statement of a material fact or omit to state a material fact necessaryto make the statements made, in light of the circumstances under which suchstatements were made, not misleading with respect to the period covered by thisreport;

 

3.             Based on my knowledge, the financial statements, andother financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the Registrant as of, and for, the periods presented in this report;

 

4.             The Registrant’s other certifying officer and I areresponsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the Registrantand we have:

 

(a)           designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theRegistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared;

 

(b)           evaluated the effectiveness of theRegistrant’s disclosure controls and procedures and presented in this reportour conclusions about the effectiveness of the disclosure controls andprocedures as of the end of the period covered by this report based on suchevaluation ; and

 

(c)           disclosed in this report any changein the Registrant’s internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) that occurred during theRegistrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the Registrant’s internal control over financialreporting.

 

5.             The Registrant’s other certifying officer and I have disclosed,based on our most recent evaluation of internal control over financialreporting, to the Registrant’s auditors and the audit committee of theRegistrant’s board of directors (or persons performing the equivalentfunctions):

 

(a)           all significant deficiencies andmaterial weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect theRegistrant’s ability to record, process, summarize and report financialinformation; and

 

(b)           any fraud, whether or not material,that involves management or other employees who have a significant role in theRegistrant’s internal control over financial reporting.

 

Date:  March 31, 2005

 
|   | By:    | /s/ Daniel J. Kinsella                                        |
|--------|--------|---------------------------------------------------------------|
|   |   |   Daniel  J. Kinsella, Vice President - Finance and |
|   |   | Chief  Financial Officer (Principal Financial Officer)        |

 

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