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Patrick Moore
5
SAS expander kit greatly improved drive scalability.
874576-B21
HPE ML350 Gen10 12Gb SAS Expander Kit
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874576-B21
- Description:
- HPE ML350 Gen10 12Gb SAS Expander Kit
- Rating:
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- Hpe
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3 Year Extended Warranty
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874576-B21 Overview
874576-B21-HPE ML350 Gen10 12Gb SAS Expander Kit is a purpose‐built storage expansion solution designed specifically for HPE ML350 Gen10 servers. Engineered to extend the SAS connectivity of the system, this kit facilitates high-speed 12Gb/s data transfers between the server’s onboard storage controller and additional SAS devices, ensuring more robust, scalable storage configurations within enterprise environments.
Built as an expansion kit that functions like a storage controller add-on, the device integrates seamlessly with HPE server architectures to improve overall storage density and performance. With a design focused on reliability and efficient passive cooling, this SAS expander kit is ideally suited for demanding storage expansion use cases in mission‐critical server deployments.
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874576-B21 Specifications
- Product Type
- Expansion Card
- Card Type
- Storage Controller
- Interface
- N/A
- PCIe Version
- N/A
- Chipset / Controller
- N/A
- Supported Ports
- N/A
- Port Count
- 2
- Max Data Rate
- N/A
- RAID Levels Supported
- N/A
- Capture Resolution
- N/A
- Capture Frame Rate
- N/A
- Low Profile Bracket
- No
- Full Height Bracket
- No
- Cooling
- Passive
- Operating System Compatibility
- N/A
- Bus Width
- N/A
- Power Requirements
- N/A
- Use Case
- Storage Expansion
- Product Name
- 874576-B21-HPE ML350 Gen10 12Gb SAS Expander Kit
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
874576-B21 Use Case
High-Density Storage Expansion for Virtualized Environments
In a VMware vSphere cluster struggling with disk-pool limits, the 874576-B21 HPE ML350 Gen10 12Gb SAS Expander Kit provides dual 12Gb SAS links to connect up to eight additional JBOD enclosures directly to the server’s Smart Array controller. Benefit: scales capacity by millions of IOPS, maintains sub-millisecond VM performance, and delivers non-disruptive storage growth for mission-critical workloads.
Accelerated Backup and Rapid Recovery for SMB Data Centers
A mid-sized data center running nightly incremental backups integrates the 874576-B21 SAS Expander Kit with its HPE ML350 Gen10 to attach extra disk shelves for high-throughput backup targets. Benefit: shrinks backup windows by up to 40%, lowers RTO/RPO, consolidates backup storage on a single chassis, and strengthens business continuity without adding extra HBA cards.
High-Performance Tiered Storage for Analytics and Databases
A financial services firm requiring sub-millisecond database queries deploys the 874576-B21 HPE 12Gb SAS Expander Kit to link SAS SSD arrays and high-capacity HDD tiers to their ML350 Gen10 server. Benefit: delivers 30% faster report generation, optimizes storage spend with automated data tiering, and simplifies management of large-scale analytics workloads with a unified SAS infrastructure.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 874576-B21 |  759553-B21 |  870549-B21 |  869081-B21 |  804381-B21 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | Storage Controller | Storage Controller | Storage Controller | RAID Controller | Storage Controller |
| Interface | N/A | PCIe x8 | PCIe x8 | PCIe x8 | PCIe x8 |
| PCIe Version | N/A | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 | PCIe 3.0 |
| Chipset / Controller | N/A | N/A | N/A | HP Smart Array | HP Smart Array Controller |
| Supported Ports | N/A | N/A | N/A | N/A | N/A |
| Port Count | 2 | 2 | N/A | N/A | N/A |
| Max Data Rate | N/A | N/A | N/A | N/A | N/A |
| RAID Levels Supported | N/A | JBOD | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | 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 | No | Yes | Yes | Yes | No |
| Full Height Bracket | No | Yes | No | No | No |
| Cooling | Passive | Passive | Passive | Passive | Passive |
| Operating System Compatibility | N/A | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi |
| Bus Width | N/A | 64-bit | 64-bit | 64-bit | 64-bit |
| Power Requirements | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion |
| Product Name | 874576-B21-HPE ML350 Gen10 12Gb SAS Expander Kit | 759553-B21-HPE H240NR SMART HBA | 870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY | 869081-B21-SMART ARRAY P408I-A SR G10 LH CTRLR PL=SI | 804381-B21-HP SMART ARRAY P408E-M SR GEN10 12G SAS MEZZANINE CONTROLLER |
| Height | N/A | N/A | N/A | 1.0 inches | N/A |
| Width | N/A | N/A | N/A | 5.0 inches | N/A |
| Depth | N/A | N/A | N/A | 7.0 inches | N/A |
| Weight | N/A | N/A | N/A | 1.2 lbs | N/A |
Reviews & Ratings
J
Jiri Svoboda
4
OEM kit recognized immediately.
A
Alex Romero
5
Stable performance under heavy I/O.
B
Bilal Siddiqi
3
Excellent expansion option for ML350 Gen10.
M
Mark Turner
4
Reliable enterprise storage component.