Exhibit 10.47

RACKABLE SYSTEMS, INC.

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT

This SECOND AMENDMENT TO THE EMPLOYMENT AGREEMENT (the “Second Amendment”) dated
December 23, 2008 (the “Effective Date”) is executed by and between Rackable
Systems, Inc., a Delaware corporation (the “Company”), and Jennifer Pratt (the
“Executive”). The Company and the Executive are each individually referred to in
this Amendment as a “Party” and are collectively referred to in this Amendment
as the “Parties.”

RECITALS

A.    Executive and the Company have entered into an Employment Agreement dated
March 1, 2005 (the “Employment Agreement”).

B.     The Executive and the Company are parties to an Employment Agreement
Restatement and Amendment #1 dated January 23, 2008 (“Amendment #1”).

C.     The Parties desire to further amend Amendment #1 as follows.

AGREEMENT

In consideration of the mutual promises and covenants set forth in this Second
Amendment, the receipt and sufficiency of which are hereby acknowledged, the
Parties agree as follows:

1.    Amendment to Employment Agreement. The Parties agree that upon the
Effective Date, Amendment #1 is hereby amended as follows:

1.1    The first sentence of Section 9 is hereby amended to read in its entirety
as follows:
“If, within 12 months following a Change in Control, your employment is
terminated by the Company without Cause, or by you for Good Reason, and such
termination of employment constitutes a “separation from service” within the
meaning of the Treas. Reg. §1.409A-1(h)(1), without regard to any alternative
definitions thereunder; and if you sign, date, return to the Company and allow
to become effective a release of all claims in a form satisfactory to the
Company in its sole discretion (the “Release”) (provided that the effective date
of such Release shall be no later than sixty (60) days following your
termination of employment); then in lieu of any Severance Benefits set forth in
Section 10 herein, you shall be entitled to receive the following severance
benefits (the “Change in Control Severance Benefits”):”
1.2    The last sentence of Section 9(b) is hereby amended to read in its
entirety as follows:
"The severance pay will be subject to required payroll deductions and
withholdings, and will be paid in thirteen (13) equal installments over a period
of six (6) months, with such payments made on the Company's normal payroll
schedule; provided, however, that any payments delayed pending the effective
date of the Release shall be paid in arrears on the payroll date next following
such effective date; and"
1.3    The first sentence of Section 10 is hereby amended to read in its
entirety as follows:
“If, at any time other than during the 12 month period following a Change in
Control, your

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employment is terminated by the Company without Cause, or by you for Good
Reason, and such termination of employment constitutes a “separation from
service” within the meaning of the Treas. Reg. §1.409A-1(h)(1), without regard
to any alternative definitions thereunder; and if you sign, date, return to the
Company and allow to become effective a release of all claims in a form
satisfactory to the Company in its sole discretion (the “Release”) (provided
that the effective date of such Release shall be no later than sixty (60) days
following your termination of employment); then you shall be entitled to receive
the following severance benefits (the “Severance Benefits”):”
1.The second sentence of Section 10(a), is hereby amended to read in its
entirely as follows:
“The severance pay will be subject to required payroll deductions and
withholdings, and will be paid in thirteen (13) equal installments over a period
of six (6) months, with such payments made on the Company's normal payroll
schedule; provided, however, that any payments delayed pending the effective
date of the Release shall be paid in arrears on the payroll date next following
such effective date.”
2.Section 12, “Deferred Compensation”, is hereby amended to read in its entirety
as follows:
“If the Company (or, if applicable, any successor entity thereto) determines
that the severance payments and benefits provided to you hereunder (any such
payments, the “Agreement Payments”) constitute “deferred compensation” under
Section 409A of the Internal Revenue Code of 1986, as amended (together, with
any state law of similar effect, “Section 409A”) and if you are a “specified
employee” of the Company (or, if applicable, any successor entity thereto), as
such term is defined in Section 409A(a)(2)(B)(i) (a “Specified Employee”), then,
solely to the extent necessary to avoid the imposition of the adverse personal
tax consequences under Section 409A, the timing of the Agreement Payments with
be delayed as follows: on the earliest to occur of (1) the date that is six
months and one day after the date of termination of your employment, and (2) the
date of your death (such earliest date, the “Delayed Initial Payment Date”), the
Company (or the successor entity thereto, as applicable) shall (i) pay to you a
lump sum amount equal to the sum of the Agreement Payments that you would
otherwise have received through the Delayed Initial Payment Date if the
commencement of the payment of the Agreement Payments had not been delayed
pursuant to this Section 10(d) and (ii) commence paying the balance of the
Agreement Payments in accordance with the applicable payment schedule set forth
in this Agreement. Prior to the imposition of any delay on the Agreement
Payments as set forth above, it is intended that (A) each installment of the
Agreement Payments be regarded as a separate “payment” for purposes of Treas.
Reg. §1.409A-2(b)(2)(i), (B) all Agreement Payments satisfy, to the greatest
extent possible, the exemptions from the application of Section 409A provided
under Treas. Reg. §1.409A-1(b)(4) and 1.409A-1(b)(9)(iii), and (C) the Agreement
Payments consisting of COBRA premiums also satisfy, to the greatest extent
possible, the exemption from the application of Section 409A provided under
Treas. Reg. §1.409A-1(b)(9)(v).”
1.6    Section 13(b) is hereby amended to read in its entirety as follows:
“If a reduction in the Payment is to be made, the reduction in payments and/or
benefits shall occur, in a manner necessary to provide you with the greatest
economic benefit. If more than one manner of reduction yields the greatest
economic benefit, the payments and benefits shall be reduced pro rata.”
1.7    Except as amended herein, Amendment #1 shall remain in full force and
effect without modification.
IN WITNESS WHEREOF, the parties hereto have executed this Second Amendment as of
the Effective Date.

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RACKABLE SYSTEMS, INC.            JENNIFER PRATT

By: /s/Mark Barrenechea                By: /s/ Jennifer Pratt
Name: Mark Barrenechea                Name: Jennifer Pratt
Title:     President and CEO                 Title:     VP of Human Resources
        

Signature Date: 12/30/08             Signature Date: 12/24/08