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Nathan Collins
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P204i-b controller handled internal drives reliably.
804367-B21
HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache...
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Name:
804367-B21
- Description:
- HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache) 12G SAS Modular Controller
- Rating:
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- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$695.00
- Price:
$253.0063.6% off
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1
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804367-B21 Overview
804367-B21-HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache) 12G SAS Modular Controller is a high-performance RAID controller designed for server and storage expansion applications. This expansion card utilizes a PCIe x4 interface with PCIe 3.0 generation support and is built around the HPE Smart Array controller, offering 12G SAS connectivity and an integrated 1GB cache to accelerate data-intensive workloads while ensuring robust RAID functionality.
Engineered for demanding data center and enterprise environments, this modular controller delivers reliable hardware RAID support and is compatible with operating systems such as Windows, Linux, and VMware ESXi. Its versatile design, which includes options for both low-profile and full-height bracket configurations, makes it ideal for storage expansion initiatives in HPE Gen10 server platforms.
804367-B21 price is $253.00, a 63.6% saving from the Hpe list price of $695.00. 804367-B21 is in stock and available for next-day dispatch. (terms applied)
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804367-B21 Specifications
- Product Type
- Expansion Card
- Card Type
- RAID Controller
- Interface
- PCIe x4
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- HPE Smart Array
- Supported Ports
- N/A
- Port Count
- N/A
- Max Data Rate
- N/A
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- Yes
- Full Height Bracket
- Yes
- Cooling
- Passive
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Product Name
- 804367-B21-HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache) 12G SAS Modular Controller
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
804367-B21 Use Case
High-Density Virtualization for SMB Data Centers
In a mid-sized enterprise running 30+ virtual machines on HPE ProLiant Gen10 servers, the HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1 GB Cache) 12G SAS Modular Controller consolidates VM storage traffic over four internal lanes. This scenario delivers sub-millisecond I/O latency, boosts VM density by up to 25%, and maintains enterprise-grade data protection with mirrored cache. Outcome: higher VM consolidation, predictable performance under peak load, and simplified storage management.
Accelerated OLTP Database Workloads
A financial services firm deploying mission-critical Microsoft SQL Server on dual HPE ProLiant Gen10 hosts leverages the P204i-b SR Gen10 controller to funnel high-speed 12G SAS disk arrays into a RAID 10 configuration. With 1 GB cache and battery-backed write protection, the controller delivers sustained 200 K IOPS for small-block transactions. Outcome: sub-5 ms write response times, 30% uplift in transaction throughput, and guaranteed data integrity during power events.
Fast Backup & Disaster Recovery for Virtualized Environments
An IT service provider implements daily snapshot backups and rapid restores across a cluster of HPE ProLiant Gen10 servers using the P204i-b SR Gen10 controller’s hardware-accelerated RAID features. By integrating with HPE StoreOnce and enabling online RAID level migration, backup windows shrink from 4 hours to under 1 hour and restore time objectives (RTO) drop by 60%. Outcome: minimized downtime, streamlined DR testing, and robust data resiliency for client SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 804367-B21 |  AXXRMFBU5 |  AK241B |  726740-B21 |  823852-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | RAID Controller | RAID Controller | Storage Controller | RAID Controller | Storage Controller |
| Interface | PCIe x4 | PCIe x8 | PCIe x4 | PCIe x8 | PCIe x8 |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 |
| Chipset / Controller | HPE Smart Array | Intel RAID | N/A | Smart Array P440ar | HPE Smart Array E208i-c |
| Supported Ports | N/A | N/A | SFP+ | N/A | N/A |
| Port Count | N/A | N/A | 1 | N/A | N/A |
| Max Data Rate | N/A | N/A | N/A | N/A | N/A |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | N/A | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 |
| Capture Resolution | N/A | N/A | N/A | N/A | N/A |
| Capture Frame Rate | N/A | N/A | N/A | N/A | N/A |
| Low Profile Bracket | Yes | Yes | Yes | Yes | Yes |
| Full Height Bracket | Yes | Yes | Yes | No | Yes |
| Cooling | Passive | Passive | Passive | Passive | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi |
| Bus Width | 64-bit | 64-bit | 64-bit | 64-bit | 64-bit |
| Power Requirements | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | Server Expansion / Storage Expansion | Storage Expansion |
| Product Name | 804367-B21-HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache) 12G SAS Modular Controller | AXXRMFBU5-Intel RAID Maintenance Free Backup Unit - RAID controller cache data protection module | AK241B-HP 8Gb Simple SAN Connection Kit | 726740-B21-HPE DL360 Gen9 Smart Array P440ar Controller for 2 GPU Configurations | 823852-B21-HPE Smart Array E208i-c SR Gen10 Ctrlr |
| Height | N/A | 1.0 inches | 1.7 inches | 1.0 inches | 1.73 inches |
| Width | N/A | 3.5 inches | 3.3 inches | 4.4 inches | 3.44 inches |
| Depth | N/A | 5.0 inches | 0.8 inches | 7.8 inches | 8.00 inches |
| Weight | N/A | 0.8 lbs | 0.25 lbs | 1.5 lbs | 1.36 lbs |
Reviews & Ratings
H
Hamza Tariq
4
OEM modular controller fit cleanly.
S
Stefan Novak
5
Stable 12G SAS performance.
C
Chris Wallace
3
Good Gen10 option.
M
Marco Venturi
4
Dependable RAID controller.
Questions & Answers
What is the HPE Smart Array P204i-b SR Gen10 controller (SKU 804367-B21)?
The HPE Smart Array P204i-b SR Gen10 (SKU 804367-B21) is an embedded, 12G SAS modular RAID controller with four internal lanes and 1 GB of cache, designed to deliver high-performance storage management in HPE ProLiant Gen10 servers.
What are the key specifications of the P204i-b SR Gen10 controller?
It features a 12 Gb/s SAS interface, four internal lanes, 1 GB of DDR4 ECC cache, hardware RAID acceleration, and full support for HPE ProLiant Gen10 server architectures.
How much onboard cache memory does the P204i-b SR Gen10 include?
The P204i-b SR Gen10 is equipped with 1 GB of DDR4 ECC write-back cache to accelerate write performance and improve overall I/O throughput.
Which drive types and speeds are supported by this controller?
It supports 12 Gb/s and 6 Gb/s SAS drives, as well as 6 Gb/s SATA drives, providing flexibility for mixed-drive environments.