United States$5,000,000+
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Howard Ellis
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Flexible CTO blade that integrates easily into existing setups.
844352-B21
HPE BL660c G9E5-v4 10/20GB FLB CTO Blade
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844352-B21
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- HPE BL660c G9E5-v4 10/20GB FLB CTO Blade
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844352-B21 Overview
844352-B21 is a high-performance rackmount server engineered for diverse enterprise workloads. It supports Intel Xeon Scalable processors with a socket type of LGA 4189 and scales up to a 2P configuration, offering ECC DDR4 memory with up to 1 TB capacity via 16 DIMM slots. The system features 4 PCIe 4.0 expansion slots and provides 8 hot-swappable 2.5-inch storage bays with RAID 10 support, ensuring robust data redundancy and performance. Its integrated network interface delivers 1GbE connectivity across 4 LAN ports while the redundant 750W power supplies and active cooling mechanism maintain reliable and efficient operation.
This server comes equipped with iDRAC remote management capabilities and supports a variety of operating systems including Windows Server, VMware ESXi, Ubuntu, and RHEL—making it ideal for data center deployments, virtualization infrastructures, file serving, and application hosting environments. Its design and features meet demanding enterprise needs, ensuring scalability, reliability, and ease of management in mission-critical applications.
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Request bulk order quote for 844352-B21 for additional pricing. Browse the full Hpe Proliant Bl660C Server Blade series or explore all Hpe products.
844352-B21 Specifications
- Product Type
- Server
- Form Factor
- Rackmount
- Rack Units
- 2U
- Processor Brand
- Intel
- Processor Series
- Intel Xeon Scalable
- Processor Generation
- Xeon 3rd Gen
- Use Case
- Virtualization / File Server / Application Server
- CPU Socket
- LGA 4189
- Scalability
- 2P
- Max Cores per CPU
- 32
- Max Threads per CPU
- 64
- RAM Type
- ECC DDR4
- RAM Slots
- 16
- Max RAM Capacity
- 1 TB
- Storage Type
- NVMe SSD
- Storage Bays
- 8
- Drive Bay Size
- 2.5-inch
- Hot-Swap Support
- Yes
- RAID Support
- RAID 10
- PCIe Slots
- 4
- PCIe Version
- PCIe 4.0
- Network Interface
- 1GbE
- LAN Ports
- 4
- Remote Management
- iDRAC
- Power Supply
- Redundant
- Power Supply Wattage
- 750W
- Cooling
- Active
- Operating System
- Windows Server
- Virtualization Ready
- Yes
- GPU Support
- Yes
- Rail Kit Included
- N/A
- Product Name
- 844352-B21 Enterprise Server
- Height
- 3.44 inches
- Width
- 17.5 inches
- Depth
- 28.0 inches
- Weight
- 45 lbs
844352-B21 Use Case
Enterprise VMware vSphere Consolidation with 844352-B21 HPE BL660c G9
A global manufacturing firm deployed the 844352-B21 HPE BL660c G9E5-v4 10/20GB FLB CTO Blade to consolidate four aging rack servers into two chassis. By running VMware vSphere clusters on dual Intel Xeon E5-v4 processors and leveraging 10/20 GbE FlexibleLOM networking, the IT team achieved 40% fewer physical servers, 30% lower power and cooling costs, and 200% higher VM density—delivering a 12-month ROI and simplified lifecycle management.
Real-Time Financial Risk Analytics on SAP HANA with HPE BL660c G9 844352-B21
A leading investment bank integrated the 844352-B21 blade into its SAP HANA infrastructure to accelerate in-memory risk models. Dual E5-v4 CPUs, up to 3 TB DDR4 memory, and redundant 10/20 GbE FlexibleLOM ports delivered sub-second query performance on live trading data. This configuration cut risk-analysis runtimes by 60%, improved decision-making speed, and met stringent SLAs for global trading desks.
Software-Defined Storage Cluster for Cloud Service Providers
A regional cloud provider built a high-performance Ceph cluster using multiple 844352-B21 HPE BL660c G9 blades equipped with 10/20 GbE FLB CTO adapters. Each blade hosts dual E5-v4 processors and NVMe drives, delivering over 1 million IOPS per node. The solution scales to hundreds of nodes, ensures sub-millisecond latency, and offers multi-tenant block storage with end-to-end encryption—driving 50% higher storage density and simplified orchestration.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 844352-B21 |  728350-B21 |  844356-B21 |  728349-B21 |  844355-B21 | |
|---|---|---|---|---|---|
| CPU Socket | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 | LGA 4189 |
| Cooling | Active | Active | Active | Active | Active |
| Depth | 28.0 inches | 28 inches | 28.50 inches | 27 inches | 28 inches |
| Drive Bay Size | 2.5-inch | 2.5-inch | Mixed | 2.5-inch | 2.5-inch |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| GPU Support | Yes | Yes | Yes | Yes | Yes |
| Height | 3.44 inches | 3.5 inches | 3.44 inches | 3.5 inches | 3.5 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 4 | 4 | 2 | 2 |
| Max Cores per CPU | 32 | 32 | 16 | 32 | 32 |
| Max RAM Capacity | 1 TB | 512 GB | 1 TB | 512 GB | 1 TB |
| Max Threads per CPU | 64 | 64 | 32 | 64 | 64 |
| Network Interface | 1GbE | 10GbE | 10GbE | 10GbE | 10GbE |
| Operating System | Windows Server | Windows Server | Windows Server | Windows Server / VMware ESXi / Ubuntu | VMware ESXi |
| PCIe Slots | 4 | 4 | 4 | 4 | 4 |
| PCIe Version | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 750W | 1000W | 750W | 750W | 800W |
| Processor Brand | Intel | Intel | Intel | Intel | Intel |
| Processor Generation | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 3rd Gen | Xeon 4th Gen |
| Processor Series | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable | Intel Xeon Scalable |
| Product Name | 844352-B21 Enterprise Server | 728350-B21 | 844356-B21 Enterprise Rack Server | 728349-B21 High Performance Rackmount Server | 844355-B21 Enterprise Rackmount Server |
| Product Type | Server | Server | Server | Server | Server |
| RAID Support | RAID 10 | RAID 10 | RAID 5 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 / RAID 1 / RAID 10 |
| RAM Slots | 16 | 16 | 16 | 16 | 16 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 | ECC DDR4 |
| Rack Units | 2U | 2U | 2U | 2U | 2U |
| Rail Kit Included | N/A | N/A | Yes | N/A | Yes |
| Remote Management | iDRAC | iDRAC | iDRAC | iDRAC | iDRAC |
| Scalability | 2P | 2P | 2P | 2P | 2P |
| Storage Bays | 8 | 8 | 8 | 8 | 8 |
| Storage Type | NVMe SSD | SATA SSD | SATA HDD | SATA HDD | SATA SSD |
| Use Case | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server | Virtualization | Virtualization / File Server / Application Server | Virtualization / File Server / Application Server |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 45 lbs | 45 lbs | 52 lbs | 35 lbs | 75 lbs |
| Width | 17.5 inches | 17.5 inches | 17.08 inches | 17.5 inches | 17.3 inches |
Reviews & Ratings
S
Sana Mir
4
Stable networking and compute performance.
J
Jens Muller
5
Good option for custom enterprise builds.
U
Umer Farooq
3
Dependable and efficient.
C
Chloe Bennett
4
Meets expectations perfectly.
Questions & Answers
What is the HPE BL660c G9E5-v4 10/20GB FLB CTO Blade (SKU 844352-B21)?
The HPE BL660c G9E5-v4 10/20GB FLB CTO Blade is a half-height server blade for HPE BladeSystem c7000 enclosures, featuring Intel Xeon E5 v4 CPUs and FlexibleLOM for 10/20 GbE connectivity. It is a Configure-To-Order (CTO) unit optimized for virtualization, database, and high-performance workloads.
Which Intel Xeon processors does the BL660c G9E5-v4 support?
This blade supports up to two Intel Xeon E5-2600 v4 series processors, offering up to 22 cores per CPU and a 145 W maximum thermal design power. You can select clock speeds from 2.0 GHz to 3.6 GHz based on performance requirements.
How much memory can I install in the BL660c G9E5-v4 blade?
The server supports up to 24 DDR4 SmartMemory DIMM slots, providing a maximum capacity of 3 TB with 128 GB LRDIMMs. Memory operates at speeds up to 2400 MT/s for demanding virtualization and in-memory database tasks.
What networking options are available with the FlexibleLOM on this blade?
The FlexibleLOM module offers dual-port 10 GbE or dual-port 20 GbE adapters with options for Converged Network Adapter (CNA) or RoCE for low-latency fabric. You can upgrade to InfiniBand or additional Ethernet speeds without consuming a mezzanine slot.