United States$5,000,000+
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Julian Scott
5
SAS expander improved storage density significantly.
870549-B21
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DL38X GEN10 12GB SAS EXPANDER PL SY
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Name:
870549-B21
- Description:
- DL38X GEN10 12GB SAS EXPANDER PL SY
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$920.00
- Price:
$269.0070.8% off
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1
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870549-B21 Overview
870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY is a high-performance SAS expansion card engineered for storage expansion and server enhancement. Designed with a PCIe x8 interface and PCIe 3.0 generation compatibility, this card delivers robust data throughput that meets the demands of modern enterprise storage environments.
Featuring a low profile bracket suitable for compact server chassis along with a passive cooling design, 870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY ensures reliable performance in data centers and server rooms. It supports operating systems such as Windows, Linux, and VMware ESXi, making it an ideal solution for optimizing storage expansion and data management applications.
870549-B21 price is $269.00, a 70.8% saving from the Hpe list price of $920.00. 870549-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 870549-B21 for additional pricing. Browse the full category range or explore all Hpe products.
870549-B21 Specifications
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- PCIe Version
- PCIe 3.0
- Product Type
- Expansion Card
- Interface
- PCIe x8
- Supported Ports
- N/A
- Max Data Rate
- N/A
- RAID Levels Supported
- 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
- Card Type
- Storage Controller
- Operating System Compatibility
- Windows / Linux / VMware ESXi
- Port Count
- N/A
- Full Height Bracket
- No
- Chipset / Controller
- N/A
- Product Name
- 870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY
870549-B21 Use Case
Hyper-Scalable Virtualization Cluster Storage Expansion
In enterprise virtualization environments built on HP ProLiant DL38X Gen10 servers, the 870549-B21 Gen10 12Gb SAS Expander connects multiple SAS JBOD enclosures via a single HBA port, enabling seamless scaling to over 100 TB of shared storage with a 40% faster deployment cycle and 20% reduction in cabling complexity.
High-Performance Database Acceleration
Financial services firms leverage the 870549-B21 DL38X Gen10 12Gb SAS Expander to link up to 28 NVMe/SAS SSDs to HP DL38X Gen10 servers, doubling IOPS and cutting query latency by 30%, ensuring sub-millisecond response times for mission-critical SQL and NoSQL workloads.
Compliance-Driven Backup and Archival
Regulated industries deploy the 870549-B21 Gen10 12Gb SAS Expander in HP DL38X Gen10 servers to attach multiple tape libraries and disk arrays, automating tiered backups at up to 960 MB/s and achieving 5× storage scalability while meeting stringent data-retention and audit requirements.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 870549-B21 |  726907-B21 |  749974-B21 |  Q0L11A |  AJ763B | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | ||
| Card Type | Storage Controller | Storage Controller | Other | ||
| Interface | PCIe x8 | PCIe x8 | N/A | ||
| PCIe Version | PCIe 3.0 | PCIe 3.0 | N/A | ||
| Chipset / Controller | N/A | HPE Smart Array P440ar | N/A | ||
| Supported Ports | N/A | N/A | N/A | ||
| Port Count | N/A | 2 | 1 | ||
| Max Data Rate | N/A | N/A | N/A | ||
| RAID Levels Supported | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 | N/A | ||
| Capture Resolution | N/A | N/A | N/A | ||
| Capture Frame Rate | N/A | N/A | N/A | ||
| Low Profile Bracket | Yes | Yes | N/A | ||
| Full Height Bracket | No | No | N/A | ||
| Cooling | Passive | Passive | N/A | ||
| Operating System Compatibility | Windows / Linux / VMware ESXi | Windows / Linux / VMware ESXi | N/A | ||
| Bus Width | 64-bit | 64-bit | N/A | ||
| Power Requirements | 3.3V | 3.3V | N/A | ||
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | ||
| Product Name | 870549-B21-DL38X GEN10 12GB SAS EXPANDER PL SY | 749974-B21-HPE Smart Array P440ar/2GB FBWC 12Gb 2-ports Int FIO SAS Controller | Q0L11A-SN1600E 32GB 1P FC HBA NO DEAL REG PL-SH | ||
| Height | N/A | N/A | N/A | ||
| Width | N/A | N/A | N/A | ||
| Depth | N/A | N/A | N/A | ||
| Weight | N/A | N/A | N/A |
Reviews & Ratings
A
Ahmed Raza
5
OEM expander recognized immediately.
M
Martin Vogel
4
Stable performance under load.
C
Chris Bennett
5
Good Gen10 storage upgrade.
N
Nuno Pereira
5
Reliable expansion component.
Questions & Answers
What is the HPE DL38X Gen10 12Gb SAS Expander (SKU 870549-B21)?
The HPE DL38X Gen10 12Gb SAS Expander (SKU 870549-B21) is a passive SAS expander module designed to extend SAS connectivity and increase drive count in HPE ProLiant DL380 Gen10 servers.
Which HPE ProLiant servers are compatible with SKU 870549-B21?
SKU 870549-B21 is fully compatible with HPE ProLiant DL380 Gen10 and other supported Gen10 models that include a SAS backplane and expander slot.
How many drives can the 12Gb SAS Expander support?
The 870549-B21 SAS Expander supports up to 30 SAS or SATA drives when paired with the appropriate backplane in a Gen10 server.
What data transfer rate does the HPE 870549-B21 expander deliver?
The expander delivers up to 12 Gb/s per port, enabling high-speed connectivity between the host controller and attached drives.
How does the SAS Expander improve storage scalability?
By aggregating multiple drive ports through a single controller, the 870549-B21 expander increases the number of attachable drives without additional HBA cards.
Is the 12Gb SAS Expander backward compatible with earlier SAS standards?
Yes, the 870549-B21 supports backward compatibility with 6 Gb/s SAS and SATA devices, ensuring seamless integration with legacy storage.
What is the installation process for SKU 870549-B21?
Installation involves inserting the expander module into the designated backplane slot, securing it with captive screws, and verifying recognition in the server’s system BIOS.
Can I use the SAS Expander with both HDDs and SSDs?
Yes, the HPE 12Gb SAS Expander supports both SAS and SATA HDDs and SSDs, providing flexibility across storage media types.
Does the expander support multipath connectivity?
The 870549-B21 itself is a passive device; multipath functionality is managed by the host HBA or OS-based multipathing software.
What firmware updates are available for the 870549-B21?
Firmware updates for the expander are provided through HPE Service Pack for ProLiant (SPP) and can be applied via HPE Intelligent Provisioning or iLO.
How do I troubleshoot connectivity issues with the SAS Expander?
Verify firmware versions, inspect physical connections, review system event logs in iLO, and ensure the expander is properly seated in the backplane.
What warranty covers the HPE DL38X Gen10 12Gb SAS Expander?
This expander is covered by HPE’s standard limited warranty, offering parts and labor coverage for one year from the date of purchase.
Where can I purchase the HPE 870549-B21 SAS Expander?
You can purchase SKU 870549-B21 through authorized HPE resellers, the HPE online store, or certified channel partners.
How does the expander enhance RAID performance?
By distributing I/O across multiple SAS lanes, the 870549-B21 expander reduces bottlenecks and improves overall throughput in RAID configurations.
What is the mean time between failures (MTBF) for this SAS Expander?
The HPE DL38X Gen10 12Gb SAS Expander (870549-B21) has an MTBF of over 500,000 hours under standard operating conditions.