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804405-B21
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SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
804405-B21
- Description:
- SMART ARRAY P408E-P SR GEN10 CTRLR PL=SI
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- 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)
Request bulk order quote for 804405-B21 for additional pricing. Browse the full category range or explore all Hpe products.
804405-B21 Specifications
- Product Type
- Expansion Card
- Brand
- Hpe
- Card Type
- Storage Controller
- Interface
- PCIe x8
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- HPE Smart Array
- Port Count
- 8
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
- 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.
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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 |
| 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 |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
O
Oliver Finch
5
P408e-p controller provided strong external SAS performance.
A
Ahsan Rauf
5
OEM card integrated smoothly.
F
Florian Neumann
4
Reliable cache behavior.
P
Paul Edwards
5
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.
Does the Smart Array P408e-p Gen10 support NVMe drives?
No, the P408e-p SR Gen10 is optimized for SAS/SATA drives; NVMe support is available on HPE NVMe-certified controllers.
How do I install the P408e-p SR Gen10 controller in my server?
Power off the server, insert the P408e-p into an available full-height PCIe slot, secure the bracket, then power on and verify the device in the BIOS or HPE Smart Storage Administrator.
What firmware version should I use for the Smart Array P408e-p Gen10?
Always update to the latest HPE Smart Array firmware available on the HPE Support Center to ensure optimal stability, performance and compatibility.
How can I monitor and manage RAID arrays with the P408e-p Gen10?
Use HPE Smart Storage Administrator (SSA) or HPE InfoSight for real-time monitoring, configuration, firmware updates and proactive analytics.
Is a battery or M.2 cache module required for data protection?
Yes, the controller includes a battery-backed write cache (BBWC) and optionally supports the HPE Secure Encryption M.2 module for cache persistence and drive encryption.
What performance benefits does the P408e-p SR Gen10 controller deliver?
With PCIe Gen3 x8 bandwidth and up to 1.7M IOPS, the P408e-p accelerates random I/O workloads and reduces latency for demanding database and virtualization environments.
Does the P408e-p support HPE InfoSight predictive analytics?
Yes, when connected to HPE iLO, the P408e-p integrates with HPE InfoSight for AI-driven support, capacity planning and failure prediction.
What operating systems are supported by Smart Array P408e-p Gen10?
The controller supports major OS platforms including Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi (refer to the HPE Support Matrix for details).
How do I update drivers for the P408e-p on my server?
Download the latest driver package from HPE Support, then install via the OS package manager or offline bundle to ensure compatibility with your server’s firmware.
What warranty coverage comes with the HPE Smart Array P408e-p?
The P408e-p includes a standard one-year parts warranty, upgradeable to three years with an HPE Care Pack service agreement.
How much power does the Smart Array P408e-p SR Gen10 consume?
Typical power consumption is 6.5 W active and 2.1 W idle, ensuring efficient energy use in densely populated server environments.
How do I troubleshoot a failed drive in my P408e-p array?
Open HPE SSA, identify the degraded array, replace the failed drive with an HPE-qualified spare, and let the controller automatically rebuild the RAID set.