LIMITED POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS

Know all by these presents, that the undersigned hereby makes,
constitutes and appoints each of Mark Gavin, Steven H. Markiewicz
and Eileen Gagnon, signing singly and each acting individually,
as the undersigned's true and lawful attorney-in-fact with full
power and authority as hereinafter described to:
(1)	execute for and on behalf of the undersigned,
in the undersigned's capacity as an officer and/or director of
PC Connection, Inc. (the "Company"), Forms 3, 4, and 5 (including
any amendments thereto) in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder
(the "Exchange Act"); (2) do and perform any and all acts for
and on behalf of the undersigned which may be necessary or
desirable to prepare, complete and execute any such Form 3,
4, or 5, prepare, complete and execute any amendment or
amendments thereto, and timely deliver and file such form
with the United States Securities and Exchange
Commission and any stock exchange or similar authority;
(3)	seek or obtain, as the undersigned's representative and
on the undersigned's behalf, information regarding transactions
in the Company's securities from any third party, including
brokers, employee benefit plan administrators and trustees,
and the undersigned hereby authorizes any such person to
release any such information to such attorney-in-fact and
approves and ratifies any such release of information;
and (4) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the
best interest of, or legally required by, the undersigned,
it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act
and thing whatsoever requisite, necessary, or proper to be done
in the exercise of any of the rights and powers herein granted,
as fully to all intents and purposes as the undersigned might
or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming
all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to
be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges
that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming nor relieving,
nor is the Company assuming nor relieving, any of the undersigned's
responsibilities to comply with Section 16 of the Exchange Act.
The undersigned acknowledges that neither the Company nor the
foregoing attorneys-in-fact assume (i) any liability for the
undersigned's responsibility to comply with the requirement of
the Exchange Act, (ii) any liability of the undersigned for any
failure to comply with such requirements, or (iii) any obligation
or liability of the undersigned for profit disgorgement under
Section 16(b) of the Exchange Act.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4,
and 5 with respect to the undersigned's holdings of and transactions
in securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 8th day of June, 2004.

/s/ JAY LAMBKE
    JAY LAMBKE




