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804326-B21
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SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI
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804326-B21
- Description:
- SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI
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804326-B21 Overview
804326-B21-SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI is a high-performance RAID controller designed for modern server storage expansion in Gen10 systems. Built as an expansion card, this RAID controller employs a PCIe x8 interface with PCIe 3.0 technology, and it is powered by HP’s Smart Array controller chipset. The device is engineered to manage multiple drive arrays while ensuring data redundancy and accelerated I/O performance for mission-critical applications.
This low-profile card features a dedicated hardware RAID engine that supports key RAID levels including RAID 0, RAID 1, and RAID 10, making it ideal for storage expansion in enterprise and data center environments. With passive cooling for quiet, reliable operation and broad operating system compatibility (Windows, Linux, VMware ESXi), the controller is optimized for enhancing server performance in a variety of use cases.
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804326-B21 Specifications
- Depth
- 7.87 inches
- Width
- 4.01 inches
- PCIe Version
- PCIe 3.0
- Product Type
- Expansion Card
- Interface
- PCIe x8
- Supported Ports
- N/A
- Max Data Rate
- N/A
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- Yes
- Cooling
- Passive
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Port Count
- N/A
- Full Height Bracket
- No
- Card Type
- RAID Controller
- Chipset / Controller
- HP Smart Array E208I-A
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 10
- Product Name
- 804326-B21-SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI
- Height
- 0.79 inches
- Weight
- 1.47 lbs
804326-B21 Use Case
High-Performance Virtualization on HPE Gen10 with 804326-B21 Smart Array E208i-a SR Controller
In a VMware vSphere or Microsoft Hyper-V virtualization cluster, deploying the 804326-B21 Smart Array E208i-a SR Gen10 controller delivers sub-millisecond latency and up to 12 GB/s aggregate throughput for VM storage. Benefit: maximized VM density, predictable I/O performance under peak loads, and simplified drive management with integrated RAID-level protection.
Enterprise Database Acceleration and Data Resilience Using 804326-B21 Smart Array E208i-a
For mission-critical SQL Server, Oracle or SAP HANA workloads on HPE ProLiant Gen10 servers, the 804326-B21 Smart Array E208i-a SR controller optimizes transactional I/O with hardware-accelerated RAID and write cache. Benefit: up to 2× faster query response, robust RAID-1/5/10 data protection, and reduced storage bottlenecks for 24×7 availability.
Fast Backup, Recovery and Snapshot Orchestration with HPE 804326-B21 Smart Array E208i-a
In enterprise backup environments using HPE StoreOnce or third-party backup software, the 804326-B21 Smart Array E208i-a SR controller accelerates snapshot creation and integration with HPE Recovery Manager Central. Benefit: sub-30-second snapshots, automated cataloging, and reduced RTO/RPO for critical workloads without impacting primary applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 804326-B21 |  Q0L14A |  P9D99A |  804381-B21 |  726897-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | |
| Card Type | RAID Controller | Storage Controller | Storage Controller | Storage Controller | |
| Interface | PCIe x8 | PCIe x8 | PCIe x8 | PCIe x8 | |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | |
| Chipset / Controller | HP Smart Array E208I-A | N/A | HP Smart Array Controller | N/A | |
| Supported Ports | N/A | SFP+ | N/A | N/A | |
| Port Count | N/A | 2 | N/A | 2 | |
| Max Data Rate | N/A | N/A | N/A | N/A | |
| RAID Levels Supported | RAID 0 / RAID 1 / RAID 10 | 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 / JBOD | |
| Capture Resolution | N/A | N/A | N/A | N/A | |
| Capture Frame Rate | N/A | N/A | N/A | N/A | |
| Low Profile Bracket | Yes | Yes | No | No | |
| Full Height Bracket | No | Yes | No | Yes | |
| Cooling | Passive | Passive | Passive | Passive | |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | |
| Bus Width | 64-bit | 64-bit | 64-bit | 64-bit | |
| Power Requirements | 3.3V | 3.3V | 3.3V | 3.3V | |
| Use Case | Storage Expansion | Storage Expansion / Server Enhancement | Storage Expansion | Storage Expansion | |
| Product Name | 804326-B21-SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI | Q0L14A-SN1200E 16GB 2P FC HBA PL-SH NO DEAL REG PRICING | 804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER | 726897-B21-HPE Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller | |
| Height | 0.79 inches | N/A | N/A | N/A | |
| Width | 4.01 inches | N/A | N/A | N/A | |
| Depth | 7.87 inches | N/A | N/A | N/A | |
| Weight | 1.47 lbs | N/A | N/A | N/A |
Reviews & Ratings
B
Bilal Akram
5
Straightforward deployment with clean firmware.
J
Jonas Ek
4
Predictable throughput.
M
Marcus Lee
4
Solid for internal disks.
T
Tomasz Kaczor
4
Dependable Gen10 controller.
Questions & Answers
What is the HPE Smart Array E208i-a SR Gen10 Controller?
The HPE Smart Array E208i-a SR Gen10 Controller is an integrated entry-level RAID adapter for HPE ProLiant Gen10 servers, offering four internal 12 Gb/s SAS/SATA ports and support for RAID 0, 1, and 10.
Which HPE servers are compatible with the E208i-a SR Gen10 Controller?
The E208i-a SR Gen10 Controller is compatible with HPE ProLiant Gen10 DL, ML and Apollo servers that include an onboard Smart Array E-series slot.
What RAID levels does the Smart Array E208i-a support?
The Smart Array E208i-a supports RAID 0 (striping), RAID 1 (mirroring) and RAID 10 (stripe of mirrors) to balance performance and data protection.
What data transfer speeds are supported by the E208i-a SR Gen10 Controller?
Each of the four internal SAS/SATA ports delivers up to 12 Gb/s transfer speed for high-throughput storage operations.
How many drives can the E208i-a SR Gen10 Controller manage?
Out of the box, the E208i-a manages up to four internal drives; use an HPE SAS expander to scale beyond four drives if required.
Which drive types are supported by the Smart Array E208i-a?
The controller supports 2.5″ and 3.5″ SAS HDDs, SATA HDDs and SSDs, enabling flexible storage configurations.
Does the E208i-a Gen10 Controller include onboard cache or a battery backup unit?
No, the E208i-a relies on HPE’s Flash-Backed Write Cache (FBWC) within the server chassis and does not include a separate battery backup module.
Can I hot-swap drives with the E208i-a SR Gen10 Controller?
Yes, when used with a compatible hot-swap backplane in supported ProLiant Gen10 servers, drives can be added or replaced without shutting down the system.
Which operating systems are supported by the Smart Array E208i-a Gen10 Controller?
The controller is supported on Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi and other HPE-certified OS ecosystems.
How do I install and configure the E208i-a SR Gen10 Controller?
Installation is automatic on Gen10 servers—simply populate drives and enable the controller in HPE Smart Storage Administrator (SSA) during system POST.
How can I update firmware on the HPE Smart Array E208i-a Controller?
Use the HPE Service Pack for ProLiant (SPP) or the HPE Smart Update Manager (SUM) to apply the latest SSA and firmware updates.
What management tools are available for the E208i-a SR Gen10 Controller?
Manage and monitor arrays through HPE Smart Storage Administrator (SSA), HPE Integrated Lights-Out (iLO) and RESTful Interface Tool.
What is the warranty coverage for SKU 804326-B21?
The HPE Smart Array E208i-a SR Gen10 Controller ships with HPE’s standard three-year limited warranty, including parts and labor.
How does the E208i-a differ from the Smart Array E208e-p Controller?
The E208i-a is an integrated LOM controller without onboard cache, while the E208e-p is a PCIe adapter offering optional battery or flash-backed cache modules.
Where can I purchase the HPE Smart Array E208i-a SR Gen10 Controller (SKU 804326-B21)?
You can order SKU 804326-B21 through HPE’s official online store, authorized HPE channel partners or certified resellers.
What are the key benefits of using the Smart Array E208i-a SR Gen10 Controller?
It delivers streamlined RAID 0, 1 and 10 protection with 12 Gb/s ports, integrated management via SSA/iLO and seamless compatibility with HPE Gen10 servers.