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Daniel Kruger
5
Smart Array P840 delivered excellent SAS performance with stable RAID operation.
766205-B21
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HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit
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766205-B21
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- HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit
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766205-B21 Overview
766205-B21-HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit is a high-performance RAID controller expansion card designed specifically for the HPE DL360 Gen9 server. Engineered with a PCIe x8 interface and built on the PCIe 3.0 generation, it incorporates HPE’s proprietary Smart Array P840 controller chipset to deliver robust RAID management and seamless storage expansion. The card comes equipped with multiple SAS ports that are optimized for high-bandwidth data transfers, making it ideal for demanding enterprise applications.
Optimized for server enhancement and storage expansion use cases, this RAID controller offers support for various RAID levels—including RAID 0, RAID 1, RAID 5, and RAID 10—that ensure data reliability and operational flexibility. It is fully compatible with a range of operating systems such as Windows, Linux, and VMware ESXi, and features a low-profile bracket to fit seamlessly within compact data center racks. The included cable kit further simplifies installation, allowing administrators to efficiently upgrade and scale their server storage architectures.
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766205-B21 Specifications
- Weight
- 1.2 lbs
- Height
- 0.75 inches
- Depth
- 8.00 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
- Full Height Bracket
- No
- Port Count
- 8
- Card Type
- RAID Controller
- Chipset / Controller
- HPE Smart Array P840
- RAID Levels Supported
- RAID 0 / RAID 1 / RAID 5 / RAID 10
- Product Name
- 766205-B21-HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit
- Width
- 4.50 inches
766205-B21 Use Case
High-Throughput Trading Database Acceleration for Financial Services
In a global trading firm, IT architects integrate the HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit into ProLiant DL360 Gen9 servers to host ultra-low-latency SQL and NoSQL order-matching databases. By leveraging eight lanes of 12Gb/s SAS connectivity and advanced RAID-6 offload, the solution sustains over 1 million IOPS with sub-0.5 ms response times. Outcome: 25% faster transaction processing, enhanced real-time risk analysis, and full compliance with FINRA and MiFID II audit requirements.
Enterprise VDI Performance Scaling in Corporate IT Environments
A Fortune 500 IT department deploys the P840 SAS Card with Cable Kit across a rack of HPE DL360 Gen9 hosts to underpin a 2,000-seat virtual desktop infrastructure. The card’s eight-port SAS topology directly attaches NVMe SSD arrays, delivering sustained 4 GB/s throughput per server and ensuring consistent IOPS during peak hours. Outcome: 40% reduction in desktop login latency, 30% lower storage TCO, and seamless support for graphics-intensive user workloads.
Regulatory-Compliant Backup and DR for Healthcare Data Centers
A regional healthcare network implements the HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit in its primary data center to connect high-capacity SAS tape libraries and disk vaults. The hardware RAID engine offloads parity calculations, enabling rapid full-site snapshots and 256-bit AES encryption for PHI. Outcome: 50% faster backup windows, RTO under 30 minutes, and HIPAA-aligned data retention across mirrored off-site vaults.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 766205-B21 |  804381-B21 |  Q0L14A |  631679-B21 |  804394-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | RAID Controller | Storage Controller | Storage Controller | Other | Storage Controller |
| Interface | PCIe x8 | PCIe x8 | PCIe x8 | N/A | PCIe x8 |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | N/A | PCIe 3.0 |
| Chipset / Controller | HPE Smart Array P840 | HP Smart Array Controller | N/A | N/A | HP Smart Array |
| Supported Ports | N/A | N/A | SFP+ | N/A | N/A |
| Port Count | 8 | N/A | 2 | 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 10 | 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 |
| 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 | No | Yes | No | Yes |
| Full Height Bracket | No | No | Yes | No | No |
| Cooling | Passive | Passive | Passive | Passive | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | N/A | Windows / Linux / VMware ESXi |
| Bus Width | 64-bit | 64-bit | 64-bit | N/A | 64-bit |
| Power Requirements | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion / Server Enhancement | Storage Expansion | Storage Expansion |
| Product Name | 766205-B21-HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit | 804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER | Q0L14A-SN1200E 16GB 2P FC HBA PL-SH NO DEAL REG PRICING | 631679-B21-HP 1GB FBWC for P-Series Smart Array | 804394-B21-SMART ARRAY E208I-P SR GEN10 CTRLR PL SI |
| Height | 0.75 inches | N/A | N/A | N/A | N/A |
| Width | 4.50 inches | N/A | N/A | N/A | N/A |
| Depth | 8.00 inches | N/A | N/A | N/A | N/A |
| Weight | 1.2 lbs | N/A | N/A | N/A | N/A |
Reviews & Ratings
A
Anthony Delgado
4
OEM card installed smoothly and was immediately recognized by the system.
R
Ruben Vasquez
5
Great throughput improvement for our storage intensive workloads.
T
Thomas Lindholm
4
Rock solid controller with predictable performance under load.
V
Victor Hammond
5
Enterprise grade RAID card that performs exactly as expected.
Questions & Answers
What is the HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit (SKU: 766205-B21)?
The HPE DL360 Gen9 Smart Array P840 SAS Card with Cable Kit (SKU: 766205-B21) is an enterprise-grade RAID controller designed for HPE ProLiant Gen9 servers, offering high-performance 12 Gb/s SAS connectivity and onboard RAID management for up to 24 drives.
Which HPE servers are compatible with the P840 SAS Card (SKU: 766205-B21)?
The P840 SAS Card is fully compatible with HPE ProLiant DL360 Gen9 and DL380 Gen9 servers and can be deployed in select Gen8 platforms with the proper firmware and cable configuration.
How many drives can the P840 SAS Card support?
The Smart Array P840 supports up to 24 SAS or SATA drives via its six 12 Gb/s mini-SAS HD connectors when used with the HPE backplane and included cable kit.
What RAID levels does the Smart Array P840 support?
The P840 provides hardware-accelerated RAID levels 0, 1, 5, 6, 10, 50 and 60 for flexible data protection and performance tuning.
What is the maximum throughput of the P840 SAS Card?
It delivers up to 12 Gb/s per port for an aggregate bandwidth of 72 Gb/s across all six mini-SAS HD ports.
Does the P840 SAS Card include cables?
Yes, the kit includes two HPE-branded 12 Gb/s mini-SAS HD to mini-SAS HD cables for direct connection to the server storage backplane.
Do I need to update the firmware before installing the P840 SAS Card?
We recommend updating to the latest HPE Smart Array firmware via the HPE Support Center to ensure optimal compatibility and stability.
How do I install the HPE Smart Array P840 SAS Card?
Power down the server, insert the card into an available PCIe Gen3 slot, connect the mini-SAS HD cables to the backplane, reassemble the chassis and power on.
Is the P840 SAS Card hot-swappable?
The controller must be installed or removed with the server powered down, but it supports hot-swappable SAS/SATA drives when used with an HPE backplane.
Can I mix SAS and SATA drives on the P840 SAS Card?
Yes, the P840 supports mixed SAS and SATA drive configurations within the same array, allowing flexible storage tiers under a single controller.
Which operating systems are supported by the P840 SAS Card?
The P840 is certified for Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi and other major server operating systems.
How much cache memory does the Smart Array P840 include?
It features 2 GB of DDR4 battery-backed write cache (BBWC), expandable up to 4 GB with optional HPE cache modules for enhanced write performance.
What warranty coverage comes with the P840 SAS Card?
HPE provides a one-year limited warranty covering parts and labor for the Smart Array P840, with optional care pack extensions available.
How do I update the firmware on the Smart Array P840?
Download the latest HPE Service Pack for ProLiant (SPP) ISO from HPE Support Center and apply updates via Smart Update Manager or iLO.
Where can I purchase the genuine HPE Smart Array P840 (SKU: 766205-B21)?
Genuine HPE Smart Array P840 SAS Card with Cable Kit (SKU: 766205-B21) is available through HPE authorized resellers, the HPE online store, and major IT distributors.
What cable lengths are included in the P840 kit?
The kit includes two 0.5 meter HPE mini-SAS HD to mini-SAS HD cables rated for 12 Gb/s to connect your controller to the server backplane.