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P408e-p controller provided strong external SAS performance.
804405-B21
SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI
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Name:
804405-B21
- Description:
- SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$1,433.00
- Price:
$1,174.0018.1% off
Quantity:
1
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804405-B21 Overview
804405-B21-SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI is a high-performance RAID controller expansion card engineered for HPE Gen10 server environments. Designed with enterprise storage in mind, this card leverages a PCIe interface—specifically a PCIe x8 slot operating under the PCIe 3.0 standard—to deliver reliable data throughput and efficient access to extensive storage arrays while minimizing latency.
This storage controller features the trusted HPE Smart Array chipset, supporting a broad range of RAID configurations including RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 to meet strict data protection and performance requirements. With built-in low-profile bracket design, passive cooling, and robust operating system compatibility (Windows, Linux, and VMware ESXi), it is ideally suited for storage expansion applications in modern data centers and enterprise server deployments.
804405-B21 price is $1,174.00, a 18.1% saving from the Hpe list price of $1,433.00. 804405-B21 is in stock and available for next-day dispatch. (terms applied)
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804405-B21 Specifications
- Product Type
- Expansion Card
- Card Type
- Storage Controller
- Interface
- PCIe x8
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- HPE Smart Array
- Supported Ports
- N/A
- Port Count
- 8
- Max Data Rate
- N/A
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- Yes
- Full Height Bracket
- No
- Cooling
- Passive
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Storage Expansion
- Product Name
- 804405-B21-SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI
- Height
- 1.2 inches
- Width
- 8.0 inches
- Depth
- 10.0 inches
- Weight
- 2.5 lbs
804405-B21 Use Case
Enterprise VMware vSphere Virtualization with HPE Smart Array P408e-p SR Gen10
In a large-scale enterprise migrating 500+ virtual machines onto HPE ProLiant DL380 Gen10 servers, the 804405-B21 Smart Array P408e-p SR Gen10 Controller provides hardware RAID 0/1/5/6/10/50/60, 2 GB battery-backed write cache and eight PCIe Gen3 lanes. This delivers up to 1.2 million IOPS and sub-millisecond latency under heavy VM boot storms, increasing VM density by 40% while eliminating storage bottlenecks and ensuring predictable performance.
High-Performance OLTP Database Acceleration for Online Retail
An online retail platform running Microsoft SQL Server on HPE ProLiant DL360 Gen10 needs sub-1 ms write latency during peak shopping events. The Smart Array P408e-p SR Gen10 Controller’s silicon-protected cache and dual-port 12 Gb/s SAS connectivity sustain 2 GB/s throughput, accelerating transactional workloads by 3× and supporting over 20 000 TPS. Outcome: faster page loads, reduced cart abandonment and seamless scaling during flash sales.
Remote Branch Data Protection and Disaster Recovery
A multinational deploys HPE ProLiant MicroServer Gen10 at 50 branch offices for local file services and backups. The 804405-B21’s onboard RAID with flash-backed write cache ensures high data integrity and integrates with deduplication appliances. Centralized replication via HPE InfoSight achieves a 99.9% SLA and sub-30 minute RPO, delivering robust business continuity and simplified management for remote sites.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 804405-B21 |  726903-B21 |  AK241B |  726897-B21 |  804326-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | Storage Controller | Storage Controller | Storage Controller | Storage Controller | RAID Controller |
| Interface | PCIe x8 | 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 | HP Smart Array P841 | N/A | N/A | HP Smart Array E208I-A |
| Supported Ports | N/A | N/A | SFP+ | N/A | N/A |
| Port Count | 8 | 4 | 1 | 2 | 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 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 10 |
| 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 | No | Yes |
| Full Height Bracket | No | Yes | Yes | Yes | No |
| Cooling | Passive | Passive | Passive | Passive | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi / FreeBSD | 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 / Server Expansion | Storage Expansion | Storage Expansion | Storage Expansion |
| Product Name | 804405-B21-SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI | 726903-B21-HP SMART ARRAY P841/4GB FBWC 12GB 4PORTS EXT SAS CONTROLLER | AK241B-HP 8Gb Simple SAN Connection Kit | 726897-B21-HPE Smart Array P840/4GB FBWC 12Gb 2-ports Int SAS Controller | 804326-B21-SMART ARRAY E208I-A SR GEN10 CTRLR PL=SI |
| Height | 1.2 inches | N/A | 1.7 inches | N/A | 0.79 inches |
| Width | 8.0 inches | N/A | 3.3 inches | N/A | 4.01 inches |
| Depth | 10.0 inches | N/A | 0.8 inches | N/A | 7.87 inches |
| Weight | 2.5 lbs | N/A | 0.25 lbs | N/A | 1.47 lbs |
Reviews & Ratings
A
Ahsan Rauf
4
OEM card integrated smoothly.
F
Florian Neumann
5
Reliable cache behavior.
P
Paul Edwards
3
Good Gen10 expansion controller.
T
Tadeusz Kowalczyk
4
Consistent throughput.
Questions & Answers
What is the HPE Smart Array P408e-p SR Gen10 controller (SKU 804405-B21)?
The HPE Smart Array P408e-p SR Gen10 (804405-B21) is a PCIe Gen3 RAID controller with 2 GB battery-backed write cache, designed to deliver enterprise-class RAID levels for Gen10 servers.
Which HPE servers are compatible with the P408e-p SR Gen10 controller?
The P408e-p SR Gen10 controller is compatible with HPE ProLiant Gen10 rack and tower servers such as the DL360, DL380, ML350 and similar platforms featuring a PCIe slot.
What RAID levels are supported by Smart Array P408e-p SR Gen10?
This controller supports RAID 0, 1, 5, 6, 10, 50 and 60 for flexible data protection and performance tuning across SSD and HDD arrays.
How much cache memory does the P408e-p include and is it upgradeable?
The P408e-p comes with 2 GB of DDR4 battery-backed write cache, which can be expanded to 4 GB with an optional upgrade kit for higher write performance.