Three Months Ended

Exhibit 10.4

June 19, 2008

Brocade Communications Systems, Inc.
1745 Technology Drive
San Jose, CA 95119

Subject: Amendment #15 to Statement of Work #4903RL1112 (“SOW”) dated December 15, 2003

This Amendment #15 “(Amendment”) to Statement of Work # 4903RL1112 (“SOW”) adopts and incorporates by reference the terms and conditions of Goods Agreement # 4999RO0015 (“Agreement”) by and between Brocade Communications Systems, Inc. (“Brocade”) and International Business Machines Corporation (“IBM”). The parties agree to amend the SOW as follows. All other terms and conditions in the Base Agreement and SOW shall remain in full force and effect.

This amendment will be effective when signed by both parties.

1. Add “Attachment 1, Product Unique Attachment 5 for “Brocade 10Gb CNA for IBM System x” effective June 19, 2009” (attached hereto)

2. Replace “Attachment 6, Product Part Numbers and Pricing” in its entirety with the attached “Attachment 6, Product Part Numbers and Pricing”.

The parties acknowledge that they have read this Amendment, understand it, and agree to be bound by its terms and conditions. Further, they agree that this Amendment and the subject Agreement are the complete and exclusive statement of the agreement between the parties, superseding all proposals or other prior agreements, oral or written, and all other communications between the parties relating to this subject.

Except as specifically provided for in the foregoing provisions of this Amendment, the SOW shall continue in full force and effect. All capitalized terms defined in the Agreement which are used in this Amendment without further definition shall have the meanings ascribed to them in the Agreement.

Please have your authorized representative indicate acceptance thereof by signing both copies of the Amendment and returning one copy to the attention of [**].

ACCEPTED AND AGREED TO:				ACCEPTED AND AGREED TO:
International Business Machines Corporation				Brocade Communications
By:				By:
/s/ Tim Nolan		6/22/09		/s/ Charles Leeming		6/22/09
IBM Signature		Date		Brocade Communications		Date
Tim Nolan				Charles Leeming
Printed Name				Printed Name
GCM    Mgr				VP, OEM Sales
Title & Organization				Title & Organization
Communications Council
Address:				Address
3039 Cornwallis Rd				1745 Technology Drive
RTP, NC 27709				San Jose, CA 95110
USA
				ACCEPTED AND AGREED TO:
				Brocade Communications Switzerland, SarL
				By:
				/s/ Kevin L. Mckenna
				Authorized Signature		Date
				Kevin L. Mckenna		23-June-2009
				Type or Print Name
				Director
				Title & Organization

ATTACHMENT #1

PRODUCT UNIQUE ATTACHMENT #4, EFFECTIVE BEGINNING JULY 19, 2009

1.0

PRODUCT DESCRIPTION

The Products is dual-port 10GbE Converged Network Adapter (CNA) that supports Enhanced Ethernet (CEE) and Fibre Channel over Ethernet (FCoE) protocols for IBM System x.  The adapter is shipped without any optical or copper media (SFP+). Each HBA includes management software that the user uses to configure, monitor and perform any necessary maintenance, including updating firmware. 

1.1

Additional Description of Products.

Products must conform to the following specifications (including any subsequent revisions, as mutually agreed to between the parties), which are hereby incorporated by reference:

“Brocade 10Gb CNA for IBM System x Based on Brocade PCIe 2.0 Dual Port CNA (Tomcat)” Product Requirements Document (“PRD”) Version 1.1 June 20, 2009

2.0

DEVELOPMENT REQUIREMENTS

2.1

Product Testing

Product Qualification and Test Plans shall be performed to the following test plans as agreed to by both parties:

§		IBM Beckley System Compatibility Test Plan — Brocade 10Gb Dual-port CNA, v 1.4, dated May 2009
§		IBM Beckley XCSA Test Plan, dated May 2009

2.2

Deliverables

Seller shall, at its cost, use commercially reasonable efforts during the Test Phases to provide deliverables requested by Buyer in conformance with the test schedule that has been documented in “Brocade 10Gb CNA for IBM System x Based on Brocade PCIe 2.0 Dual Port CNA (Tomcat)” Product Requirements Document (“PRD”) Version 1.1 June 20, 2009” as mutually agreed to by both parties.

2.3

Development

Buyer will provide WA’s to Supplier for [**] adapters for test phases [**]. The adapters will comply with the Brocade’s specification agreed to in writing by the parties and will incorporate all of the design change requests mutually agreed to by the parties in “Brocade 10Gb CNA for IBM System x Based on Brocade PCIe 2.0 Dual Port CNA (Tomcat)” Product Requirements Document (“PRD”) Version 1.1 June 20, 2009”

Product		Quantity
A2B Level Switches (BBFV CNA)			[**]
P0.1 Level Switches (SDV CNA)			[**]
P1 Level Switches (SIT CNA)			[**]

2.4

Product Number Unique Terms.

The parties agree that part numbers, relevant descriptions, Prices, delivery terms, Lead Times and other Product specific terms not specifically addressed by this Agreement shall be determined pursuant to the following process: (i) Buyer will issue a RFQ and/or an EC request to Supplier for the affected Products, including relevant specifications and other requirements; (ii) Supplier shall respond to such RFQs and EC requests with a quote; (iii) If Buyer agrees to the Supplier quote, then Buyer will notify Supplier of its acceptance of such Supplier quote in writing or by the issuance of a revised WA and updates to Buyer’s procurement internet portal. Such part numbers, relevant descriptions, Prices, delivery terms, Lead Times and other terms are incorporated herein by reference, and will not affect any of the other Products (not subject to change pursuant to this process) in any manner, unless a specific Product is identified in the RFQ and/or the EC as a replacement or change to an existing Product.

3.0

PROPRIETARY OWNERSHIP

3.1

Buyer Proprietary Ownership.

Buyer will own rights to the following technology contained in the Brocade 10Gb CNA’s for IBM System x — Software packaging and testing for Update Express Support Packages (USXP) as specified in Modular and Blade Systems Building Block Software Integration Guide is under Buyer Proprietary ownership.

3.2

Seller’s Proprietary Ownership

Except for the proprietary information provided by Buyer, the items listed in Section 3.1 above and Buyer patents that read on the implementation, Buyer makes no further claims of ownership.

4.0		PART NUMBER UNIQUE TERMS
4.1		Product Price List And Description

See Attachment 6 to SOW #3, Consolidated Price List

4.2

Product Unit Terms And Repair Pricing

HBA’s are not repairable.

4.3

Warranty Period.

The warranty period for the Brocade 10Gb CNA for IBM System x equipment is [**] from the date of shipment. For this Product, SFP’s are shipped separate from the equipment. The SFP warranty period is [**] from the date of shipment (see table below). All other terms and conditions of Section 8.2 of SOW#3 for warranty period apply to this PUA.

						SFP		SFP
		SFP		SFP		FRU - Shipped		FRU – Shipped
PRODUCT &		Shipped Installed		Shipped separately		installed		separately
HW Warranty		(Warranty)		(Warranty)		(Warranty)		(Warranty)
10 Gb CNA for IBM System x [**]		(SFP’s are NOT shipped installed)		[**]		(SFP’s are NOT shipped installed)		[**] or  balance of original SFP warranty

5.0

WA FLEXIBILITY

		Increase of Product Quantity to a WA		Cancellation of Product Quantity to a WA		Rescheduling of Product Quantity to a WA
Number of Days prior to a WA		Scheduled Delivery Date		Scheduled Delivery Date		Scheduled Delivery Date
Scheduled Delivery Date		(% of WA Quantity)		(% of WA Quantity)		(% of WA Quantity)
Less than [**] days		As mutually agreed upon		[**]		[**]
From [**] days to [**] days		[**]		[**]		[**]
From [**] days to [**] days		[**]		[**]		[**]
More than [**] days		[**]		[**]

While the above flexibility terms also apply to Pull Products, in the event the relevant Pull Profile has more favorable terms, then such more favorable terms shall take precedence.

6.0

SUPPLIER PRODUCT WITHDRAW

Supplier will provide Buyer with [**] written notice of its intent to withdraw any Product (“End of Life” or “EOL”) prior to the last date of manufacture of a Product.  Buyer shall provide to Supplier a non-binding forecast for Products and FRUs [**] from the receipt of Supplier’s notice of End of Life.  Buyer will provide a revised EOL FRU forecast in each year during the [**] EOL period, as requested by Supplier.  Buyer shall provide to Supplier a non-cancelable last-time buy WA for forecasted Products no later than [**] prior to the End of Life date (last date of manufacture or sales/distribution date).  Such Product purchases must be scheduled to ship no later than the End of Life date.  For delivery requests outside of the Notice Period or order requests after Buyer’s last-time buy purchase has been placed, Supplier will review on a case-by-case basis Buyer’s request(s).

7.0

SUPPLY OF PRODUCTS

Supplier shall deliver products as specified in WA/PO for forecasted orders. Notwithstanding any other provision of this Agreement (except force majeure), if due to a shortage Supplier is unable to deliver Products as specified, Supplier will notify Buyer of such inability to deliver Products along with an estimate of the duration of such shortage. If Supplier fails to correct such inability to supply Product or fails to develop a plan acceptable to Buyer, Buyer will have the right to cancel such POs or portions thereof by written notice. If Buyer cancels WA/PO,  Buyer’s only obligation is to pay for Products already delivered at the time of Buyer’s cancellation notice.

8.0

COMMUNICATIONS

All communications between parties will be carried out through the following designated coordinators. All notices required in writing under this Agreement will be made to the appropriate contact listed below at the following addresses and will be effective upon actual receipt. Notices may be transmitted electronically, by registered or certified mail, or courier. All notices, with the exception of legal notices, may also be provided by facsimile.

8.1

Business Coordinators.

SUPPLIER		Brocade Communications Systems Inc.		BUYER		International Business Machines
Name		[**]		Name		[**]
Title		[**]		Title		[**]
Address		[**]		Address		[**]
Phone		[**]		Phone		[**]
Fax				Fax
E-mail		[**]		E-mail		[**]

8.2

Technical Coordinators.

SUPPLIER		Brocade Communications Systems Inc.		BUYER		International Business Machines
Name		[**]		Name		[**]
Title		[**]		Title		[**]
Address		[**]		Address		[**]
Phone		[**]		Phone		[**]
Fax				Fax
E-mail		[**]		E-mail		[**]

All legal notices will be sent to the following addresses and will be deemed received (a) two (2) days after mailing if sent by certified mail, return receipt requested or (b) on the date confirmation is received if sent by facsimile transmittal, to the party set forth below.

SUPPLIER		Brocade Communications Systems Inc.		BUYER		International Business Machines
Name		[**]		Name		[**]
Title		[**]		Title		[**]
Address		[**]		Address		[**]
Phone		[**]		Phone		[**]
Fax		[**]		Fax (Fax notice shall be valid only when verbal confirmation of receipt is obtained.)
E-mail		[**]		E-mail		[**]

Attachment 6
PRODUCT PART NUMBERS AND PRICING

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Option, FC Switch Module, includes Fabric OS, Fabric Watch, Advance Zoning, Web Tools and ship group

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Option, FCSwitch Module, includes Fabric OS, Fabric Watch, Advance Zoning, Web Tools, and Ship Group

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CRU, Value line FC Switch Module

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Asm, FC Switch Module, includes Fabric OS, Fabric Watch, Advance Zoning, and Web Tools

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Option, Value Line Module

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Option, Value Line Module

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Asm, Value Line Module

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Performance Bundle (Performance Monitor and Trunking)

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ISL Trunking

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Advance Performance Monitor

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Extended Fabrics

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Fabric Manager v4.x

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Remote Switch Activation

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Advanced Security Activation

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Full SAN Scaling

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Option, FC Switch Module, includes Fabric OS, Fabric Watch, Advance Zoning, Web Tools and ship group

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CRU, Value line FC Switch Module

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Option, Value Line Module

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Performance Bundle (Performance Monitor and Trunking)

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ISL Trunking

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Advance Performance Monitor

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Extended Fabrics

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Fabric Manager v4.x

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Remote Switch Activation

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Advanced Security Activation

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Full SAN Scaling

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Option, FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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Option, FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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Option, FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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CRU, FC Switch Module (20 port)

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Option, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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Option, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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Option, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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CRU, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group

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10 Port POD (SW4020)

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Fabric Watch

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Performance Bundle (Performance Monitor and Trunking)

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ISL Trunking

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Advance Performance Monitor

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Extended Fabrics

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Fabric Manager v5.x

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Advanced Security Activation

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Multi-pack of FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools; NO ship group; MUST be ordered in quantity of 10

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Multi-pack of FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools; NO ship group; MUST be ordered in quantity of 10

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Multi-pack of FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools, NO ship group; MUST be ordered in quantity of 10

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Multi-pack of FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools, NO ship group; MUST be ordered in quantity of 10

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Brocade 8Gb FC Single & Dual port HBA for System x

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Single port, PCI Express 2.0 adapter, 3U bracket, 1 x 8G SWL SFP installed; no documentation MUST be ordered in quantity of 20 units

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Dual port, PCI Express 2.0 adapter, 3U bracket, 2 x 8G SWL SFP installed; no documentation MUST be ordered in quantity of 20 units

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FRU Single port, PCI Express 2.0 adapter, 3U bracket, 1 x 8G SWL SFP installed; 1 x 2U bracket in clamshell MUST be ordered in quantity of 5 units

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FRU Dual port, PCI Express 2.0 adapter, 3U bracket, 2 x 8G SWL SFP installed; 1 x 2U bracket in clamshell MUST be ordered in quantity of 5 units

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Single port 2U bracket MUST be ordered in quantity of 140 units

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Dual port 2U bracket MUST be ordered in quantity of 140 units

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FRU, 8G SWL SFP (single pack) Brocade 8Gb Shortwave length SFP module, 1-pack

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Brocade 10Gb CNA for IBM System x

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Brocade 10Gb FCoCEE Dual port CNA, 3U bracket, NO SFPs installed; no documentation MUST be ordered in quantity of 20 units

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FRU, 10Gb Dual-Port CNA with 3u bracket attached, NO SFPs installed, 2u bracket in clamshell; single FRU pack overpacked in multipack. MUST be ordered in quantity of 5 units.

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Dual port 2u bracket (140pc bulk package) MUST be ordered in quantity of 140 units

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Brocade 10G SR SFP+ (1-pack)

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FRU, Brocade 10G SR SFP+ (1-pack)

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PRODUCT UNIT TERMS & REPAIR PRICING:

								Repair Price
Buyer P/N		Supplier P/N		Description		TAT		(USD)*
2GBit/sec Products
[**]		[**]		Option, FC Switch Module		[**]		[**]
[**]		[**]		CRU, Value Line Switch Module		[**]		[**]
[**]		[**]		Asm, FC Switch Module		[**]		[**]
[**]		[**]		Option, Value Line Module		[**]		[**]
[**]		[**]		Asm, Value Line Module		[**]		[**]

								Repair Price
Intel P/N		Supplier P/N		Description		TAT		(USD)*
2GBit/sec Products
[**]		[**]		Option, FC Switch Module		[**]		[**]
[**]		[**]		CRU, Value Line Switch Module		[**]		[**]
[**]		[**]		Option, Value Line Module		[**]		[**]

								Repair Price
Buyer P/N		Supplier P/N		Description		TAT		(USD)*
4GBit/sec Products
[**]		[**]		Option, FC Switch Module (20 port), includes Fabric OS, Advance Zoning, Web Tools and ship group		[**]		[**]
[**]		[**]		CRU, FC Switch Module (20 port)		[**]		[**]
[**]		[**]		Option, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group		[**]		[**]
[**]		[**]		CRU, FC Switch Module (10 port), includes Fabric OS, Advance Zoning, Web Tools and ship group		[**]		[**]

		Buyer
Buyer Part		Assembly		Supplier Part						Repair Price
Number		Number		Number *		Product Description		TAT		(USD)*
Brocade 8Gb FC Single & Dual port HBA for System x *
[**]		[**]		[**]		FRU Single port, PCI Express 2.0 adapter, 3U bracket, 1 x 8G SWL SFP installed; 1 x 2U bracket in clamshell		[**]		[**]
[**]		[**]		[**]		FRU Dual port, PCI Express 2.0 adapter, 3U bracket, 2 x 8G SWL SFP installed; 1 x 2U bracket in clamshell		[**]		[**]
[**]		[**]		[**]		FRU, 8G SWL SFP (single pack) Brocade 8Gb Shortwave length SFP module, 1-pack		[**]		[**]

		Buyer
Buyer Part		Assembly		Supplier Part						Repair Price
Number		Number		Number *		Product Description		TAT		(USD)*
Brocade 10Gb CNA for IBM System x*
[**]		[**]		[**]		FRU, 10Gb Dual-Port CNA with 3u bracket attached, No SFP installed, 2u bracket in clamshell; single FRU pack overpacked in multipack. MUST be ordered in quantity of 5 units.		[**]		[**]
[**]		[**]		[**]		FRU, Brocade 10G SR SFP+ (1-pack)		[**]		[**]