BLADE RackSwitch

BLADE’s Strong Position in Switch Market 1G Fixed, Managed Ethernet 10G Fixed, Managed Ethernet Rank Vendor Q4’08 Ports Q4’08 Share Rank Vendor Q4’08 Ports Q4’08 Share 1 CISCO 9,273.5 56.0% 1 CISCO 89.4 55.1% 2 HP PROCURVE 1,417.3 8.6% 2 HP PROCURVE 13.3 8.2% 3 3COM/H3C 1,041.9 6.3% 3 BLADE 12.9 7.9% 4 NORTEL 810.5 4.9% 4 3COM/H3C 12.0 7.4% 5 BLADE 461.7 2.8% 5 NORTEL 7.2 4.5% 6 LINKSYS 434.9 2.6% 6 ALCATEL-LUCENT 4.0 2.5% 7 EXTREME 327.2 2.0% 7 EXTREME 2.4 1.5% 8 ALCATEL-LUCENT 325.3 2.0% 8 DLINK 2.2 1.4% 9 DLINK 301.7 1.8% 9 FOUNDRY 2.0 1.2% 10 FOUNDRY 296.2 1.8% 10 ALLIED TELESYN 1.9 1.1% 11 ALLIED TELESYN 279.5 1.7% 11 FORCE10 1.4 0.9% 12 JUNIPER 276.4 1.7% 12 JUNIPER 1.0 0.6% 13 ENTERASYS 250.2 1.5% 13 ENTERASYS 0.4 0.3% 14 HUAWEI 218.3 1.3% 14 NETGEAR 0.3 0.2% 15 NETGEAR 121.2 0.7% 15 HUAWEI 0.2 0.1% 16 FORCE10 26.4 0.2% OTHERS 7.3% OTHERS 4.2% Source: Ethernet Switch Report, 4Q08, Dell’Oro Group, February 2009 Note: Ports shown in 1000s VIRTUAL COOLER EASIER BLADE Network Technologies | Confidential

Growing Pressures on Data Centers Busier servers • Virtualization • Multicore CPUs • Multiple fabrics More servers • Consolidation • Scale-out • Web 2.0 • Clustering Vanishing resources • Shrinking IT budgets • Power & cooling squeeze • Management complexity The answer is Rackonomics VIRTUAL COOLER EASIER www.bladenetwork.net 5-Jun-09 3

Rackonomics SmartConnect SmartConnect:with BladeHarmony Manager: Virtualizes the network for a row of servers an entire datacenter VIRTUAL COOLER EASIER

Designed for Data Centers Airflow that matches servers and storage • Most switches pull hot air from server exhaust creating “hot loops” • Driving up cooling costs • BLADE’s RackSwitches match the airflow of servers Using general- Using BLADE purpose switch RackSwitch Cold Aisle Hot Aisle Cold Aisle Server Server 74° 90° Server Server 73° 85° Server Server Server Server 72° Traditional Switch BLADE RackSwitch 95° Hot Side Cooled Switch Loops BLADE RackSwitch 71° Storage Device Storage Device 83° Storage Device Storage Device 70° 72° Storage Device Storage Device 70° Storage Device Storage Device 70° 70° Storage Device Side View Storage Device Hot/Cold Aisle VIRTUAL COOLER EASIER BLADE Network Technologies Confidential 5-Jun-09 5

Software Designed For Data Centers Simple High Availability - Quick Failover Uplink Failure Detection (UFD): Core Network • High Availability in the Data Center • Different that wiring closets • Extends NIC teaming on Servers RackSwitches • Loop-Free topology without Spanning Tree • Sub-second failover Active Backup VIRTUAL COOLER EASIER BLADE Network Technologies Confidential 5-Jun-09 6

RackSwitch G8000 Data Center Access Layer Switch • Flexible Port Configuration • Server Matching Airflow • 48x Gigabit Ethernet ports • Front-to-back • 4x 10G Ethernet Ports • Back-to-front SFP+ or CX4 • Redundant Fans • Low Power • Variable speed to automatically • 120W average power reduce power draw consumption • Redundant Power • Line rate performance • Dual internal power modules • Full Mesh VIRTUAL COOLER EASIER BLADE Network Technologies Confidential 5-Jun-09 7

RackSwitch G8124 24 Port 10GbE Switch - All SFP+ ports • 24x SFP+ 10Gigabit Ports • Server Matching Airflow • Fiber or Copper • Front-to-back • 10GbE or 1 Gigabit Ethernet • Back-to-front • Low Power • Redundant Fans • 165W average power • Variable speed to automatically consumption reduce power draw • Low Latency • Redundant Power • 650 nanoseconds • Dual internal power modules • Line rate performance • Full Mesh *CX4 version with 350ns latency also available VIRTUAL COOLER EASIER BLADE Network Technologies Confidential 5-Jun-09 8

SFP+ Gaining Industry Momentum • Flexibility in every port – Copper cable – perfect for in-rack connections • Known as “Direct Attach Cable” or “Twinax” – Longer distance using proven optical transceivers – Mix and match – 1G, 10G, copper, fiber • Superior to 10GBase-T – SFP+ is less expensive, less power, lower latency VIRTUAL COOLER EASIER Blade Network Technologies Confidential 5-Jun-09 9

Introducing VMready™ Virtual Machine aware networking Old Switches VMready Switches Server Server Server Server Server Server 10G 10G 10G CNA 10G CNA physical ports v-ports 10’s of Physical ports 1000’s of Virtual ports Physical ports are the old switching unit Virtual ports are the new switching unit • Not aware of Virtual Machines (VMs) • Fully aware of Virtual Machines • Configuration per physical port only • Configuration per virtual port •No flexibility for unique VM needs • Automated Network mobility • No flexibility to handle VM migrations •Configuration follows Virtual Machines in real-time during migration VIRTUAL COOLER EASIER 10

Cloud Ready Network Architecture Addresses network requirements in five critical areas: 1. High bandwidth / low latency 2. Convergence to Ethernet 3. Support for agile workloads 4. Build-out and management 5. Green / low power Cloud Ready “Truths”: • Solutions should be OPEN – with multi-vendor support • Customers prefer incremental deployment, not rip and replace VIRTUAL COOLER EASIER BLADE Network Technologies | Confidential 5-Jun-09 11

Rack Virtualization = Virtual, Cooler, Easier Networking BLADE RackSwitch Virtualization Software SmartConnect™ & VMready™ Virtualized Rack BLADEHarmony™ Manager BLADE Embedded Switches VIRTUAL COOLER EASIER BLADE Network Technologies 5-Jun-09 12

Disclaimer • BLADE makes no warranties regarding the accuracy of this information. BLADE does not warrant or represent that it will introduce any product to which the information relates. It is presented for discussion purposes only. • All statements regarding BLADE’s future direction and intent are subject to change or withdrawal without notice, at BLADE’s sole discretion. • Prices, delivery dates and technical specifications are subject to change without notice. • Copyright 2009 BLADE Network Technologies. BLADE Network Technologies, the BLADE logo, BLADEHarmony, RackSwitch, SmartConnect and VMready are trademarks of BLADE Network Technologies. All other names or marks are property of their respective owners. VIRTUAL COOLER EASIER BLADE Network Technologies 5-Jun-09 13

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BLADE RackSwitch

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