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Elliot Burns
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FBWC kit improved cache reliability.
694033-B21
HP 512MB FBWC for BL660c FIO Kit
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694033-B21
- Description:
- HP 512MB FBWC for BL660c FIO Kit
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694033-B21 Overview
694033-B21 is an enterprise NAS storage system featuring a 4-bay design that supports mixed drive types including SATA HDD, SAS HDD, SATA SSD, and NVMe SSD. It delivers a total storage capacity of 512 TB with a comprehensive RAID support configuration comprising RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10. The device is powered by an Intel Xeon processor with 8 cores and comes pre-installed with 16 GB of ECC DDR4 memory, expandable up to 64 GB, ensuring efficient handling of intensive workloads.
The system provides high-speed interfaces including USB 3.1 and 10GbE network ports, along with four LAN ports, and supports expansion capabilities for scalable storage solutions. It is equipped with active cooling, redundant power supplies rated at 350W, and is designed to meet the demanding needs of SMB backup, enterprise data centers, virtualization environments, and media server applications.
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694033-B21 Specifications
- Product Type
- Storage System
- Storage Type
- NAS
- Form Factor
- Rackmount
- Bay Count
- 4-bay
- Supported Drive Types
- Mixed
- Hot-Swap Support
- Yes
- Max Supported Capacity
- 512 TB
- RAID Support
- RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- CPU Type
- Intel Xeon
- CPU Cores
- 8
- Installed RAM
- 16 GB
- Max RAM Capacity
- 64 GB
- RAM Type
- ECC DDR4
- Network Ports
- 10GbE
- LAN Ports
- 4
- USB Ports
- USB 3.1
- Expansion Support
- Yes
- Cooling
- Active
- Power Supply
- Redundant
- Power Supply Wattage
- 350W
- Operating System
- Custom OS
- Snapshot Support
- Yes
- Cloud Sync Support
- Yes
- Virtualization Ready
- Yes
- iSCSI Support
- Yes
- Surveillance Support
- Yes
- Use Case
- SMB / Enterprise Data Center / Media Server / Virtualization
- Product Name
- 694033-B21 Enterprise NAS Storage Server
- Height
- 3.5 inches
- Width
- 17.3 inches
- Depth
- 24 inches
- Weight
- 35 lbs
694033-B21 Use Case
Accelerated Enterprise Transactional Databases
In a high-volume banking data center running Oracle and SQL Server clusters on HP BL660c blades, the 694033-B21-HP 512 MB FBWC FIO Kit offloads write-intensive transactions to flash-backed cache, reducing commit latency by 30% and guaranteeing ACID compliance and data integrity during unexpected power interruptions.
Scalable Virtual Desktop Infrastructure (VDI) Performance
For a global enterprise deploying 1,000+ VMware Horizon virtual desktops on c-Class blade enclosures, integrating the 694033-B21-HP 512 MB FBWC Kit on BL660c servers stabilizes I/O bursts, cuts user login times by 45%, and preserves session data with non-volatile write caching in the event of blade-level power loss.
High-Throughput Data Analytics and HPC Workflows
In an oil & gas exploration HPC cluster processing petabyte-scale seismic datasets on BL660c compute nodes, the 694033-B21-HP 512 MB FBWC FIO Kit accelerates write-intensive analytics stages by 25%, eliminates data-ingestion bottlenecks, and provides resilient cache protection against sudden power failures.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 694033-B21 |  766490-B21 |  BB903A |  BB879A |  789003-B21 | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | SAN | SAN | SAN | SAN |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Bay Count | 4-bay | 12-bay | 24-bay | 24-bay | 12-bay |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 512 TB | 512 TB | 512 TB | 1 PB | 512 TB |
| RAID Support | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Max RAM Capacity | 64 GB | 64 GB | 64 GB | 64 GB | 64 GB |
| RAM Type | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 | ECC DDR4 |
| Network Ports | 10GbE | 10GbE | Fibre Channel | 10GbE | 10GbE |
| LAN Ports | 4 | 4 | 4 | 4 | 2 |
| USB Ports | USB 3.1 | USB 3.2 | USB 3.0 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Active | Redundant Fan | Redundant Fan |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 750W | 750W | 350W | 750W |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | No | No | No | No |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center | Enterprise Data Center |
| Product Name | 694033-B21 Enterprise NAS Storage Server | 766490-B21 High-Performance SAN Storage System | BB903A Enterprise Storage Array | BB879A Enterprise Storage Array | 789003-B21 Enterprise SAN Storage System |
| Height | 3.5 inches | 3.5 inches | 3.5 inches | 3 inches | 4 inches |
| Width | 17.3 inches | 17.5 inches | 17.5 inches | 17 inches | 17 inches |
| Depth | 24 inches | 28.5 inches | 28 inches | 27 inches | 28 inches |
| Weight | 35 lbs | 35 lbs | 45 lbs | 45 lbs | 35 lbs |
Reviews & Ratings
A
Ammar Riaz
4
Installed without issues.
P
Pierre Martin
5
Good protection for write cache.
T
Tero M'kel'
3
Stable since deployment.
J
James Nolan
4
Met expectations.
Questions & Answers
What is the HP 512MB FBWC for BL660c FIO Kit (SKU: 694033-B21)?
The HP 512MB Flash-Backed Write Cache (FBWC) for BL660c Flexible I/O Kit (SKU: 694033-B21) is a server cache module that provides high-performance write caching and data protection for HP BladeSystem c-Class servers.
What are the key benefits of the HP 512MB FBWC for BL660c FIO Kit?
This FBWC kit accelerates write performance, reduces I/O latency, and ensures data integrity by storing pending writes in nonvolatile flash in case of power loss.
Which HP blade servers are compatible with the 694033-B21 FBWC kit?
The 694033-B21 FBWC is fully compatible with HP ProLiant BL660c G1 and G2 servers when used in conjunction with the Flexible I/O Kit and supported Smart Array controllers.
How do I install the HP 512MB FBWC for BL660c FIO Kit?
Power down the server, insert the FBWC module into the designated Flexible I/O Kit slot, secure the retaining clips, then power on and verify installation in the Smart Array firmware utility.