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694033-B21
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- HP 512MB FBWC for BL660c FIO Kit
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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Replacements shipped in 10 days or less.
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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.
What is the price of 694033-B21?
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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
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| Bay Count | 4-bay | 24-bay | 12-bay | 24-bay | 12-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Redundant Fan | Redundant Fan | Active | Redundant Fan |
| CPU Cores | 8 | 8 | 8 | 8 | 8 |
| CPU Type | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon | Intel Xeon |
| Depth | 24 inches | 27 inches | 28.5 inches | 28 inches | 28 inches |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Form Factor | Rackmount | Rackmount | Rackmount | Rackmount | Rackmount |
| Height | 3.5 inches | 3 inches | 3.5 inches | 3.5 inches | 4 inches |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Installed RAM | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| LAN Ports | 4 | 4 | 4 | 4 | 2 |
| Max RAM Capacity | 64 GB | 64 GB | 64 GB | 64 GB | 64 GB |
| Max Supported Capacity | 512 TB | 1 PB | 512 TB | 512 TB | 512 TB |
| Network Ports | 10GbE | 10GbE | 10GbE | Fibre Channel | 10GbE |
| Operating System | Custom OS | Custom OS | Custom OS | Custom OS | Custom OS |
| Power Supply | Redundant | Redundant | Redundant | Redundant | Redundant |
| Power Supply Wattage | 350W | 350W | 750W | 750W | 750W |
| Product Name | 694033-B21 Enterprise NAS Storage Server | BB879A Enterprise Storage Array | 766490-B21 High-Performance SAN Storage System | BB903A Enterprise Storage Array | 789003-B21 Enterprise SAN Storage System |
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| RAID Support | 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 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| RAM Type | ECC DDR4 | ECC DDR4 | ECC DDR4 | DDR4 | ECC DDR4 |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Storage Type | NAS | SAN | SAN | SAN | SAN |
| Supported Drive Types | Mixed | Mixed | Mixed | Mixed | Mixed |
| Surveillance Support | Yes | No | No | No | No |
| USB Ports | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.0 | USB 3.2 |
| Use Case | SMB / Enterprise Data Center / Media Server / Virtualization | Enterprise Data Center | Enterprise Data Center | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| Weight | 35 lbs | 45 lbs | 35 lbs | 45 lbs | 35 lbs |
| Width | 17.3 inches | 17 inches | 17.5 inches | 17.5 inches | 17 inches |
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Questions & Answers
Q
What is the HP 512MB FBWC for BL660c FIO Kit (SKU: 694033-B21)?
A
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.
Q
What are the key benefits of the HP 512MB FBWC for BL660c FIO Kit?
A
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.
Q
Which HP blade servers are compatible with the 694033-B21 FBWC kit?
A
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.
Q
How do I install the HP 512MB FBWC for BL660c FIO Kit?
A
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.
Q
What is the difference between HP FBWC and traditional battery-backed cache?
A
Flash-Backed Write Cache uses nonvolatile flash memory instead of a battery to preserve data, offering longer retention, lower maintenance, and improved reliability compared to battery-backed solutions.
Q
Does the kit include the flash module and necessary hardware?
A
Yes, the HP 512MB FBWC for BL660c FIO Kit (694033-B21) ships complete with the flash module, mounting bracket, and all required installation screws.
Q
How does FBWC enhance server performance?
A
By caching write operations in high-speed nonvolatile memory, FBWC reduces disk write latency, increases transactional throughput, and accelerates database and virtualization workloads.
Q
What maintenance is required for the HP FBWC module?
A
No regular maintenance is needed; FBWC’s nonvolatile flash retains data without a battery, though you should periodically verify firmware updates and module health through the HP Array Configuration Utility.
Q
What is the expected lifespan of the flash module in this kit?
A
The HP 512MB FBWC flash module is rated for up to 10 years of continuous operation under normal ambient conditions and typical server workloads.
Q
How can I troubleshoot a failed FBWC module?
A
Check system event logs in Integrated Lights-Out (iLO), run the Smart Storage Administrator diagnostics, reseat the module, and ensure firmware is up to date.
Q
Is the HP 512MB FBWC module hot-swappable?
A
No, the FBWC module must be installed or removed only when the server is powered down and AC power is unplugged, to prevent data corruption.
Q
Which firmware versions support the FBWC kit on BL660c servers?
A
The kit is supported by HP Smart Array firmware version 3.60 and later; verify compatibility in the HP Service Pack for ProLiant (SPP) release notes before installation.
Q
How do I update the Smart Array firmware for the FBWC installation?
A
Download the latest Smart Array firmware from the HP support site, boot the server with the SPP ISO, and follow the on-screen update prompts in the Firmware Update Utility.
Q
What warranty covers the HP 512MB FBWC for BL660c FIO Kit?
A
This FBWC kit includes a one-year limited HP hardware warranty, extendable through HP Care Pack services for up to five years.
Q
Where can I purchase a genuine HP 512MB FBWC for BL660c FIO Kit?
A
Purchase genuine HP parts directly from HP’s authorized resellers, the HP Parts Store online, or through HP’s official e-commerce portal to ensure authenticity.
Q
Does the FBWC module support all RAID levels on HP Smart Array controllers?
A
Yes, the FBWC module works with RAID 0, 1, 5, 6, 10, 50, and 60 on supported Smart Array controllers installed in the BL660c.
Q
Which operating systems are compatible with the HP 512MB FBWC kit?
A
This FBWC kit is compatible with all operating systems supported by the BL660c server and Smart Array controllers, including Microsoft Windows Server, Red Hat Enterprise Linux, and VMware ESXi.
