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870549-B21
DL38X GEN10 12GB SAS EXPANDER PL SY
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
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.
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.
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.
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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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
SAS expander improved storage density significantly.
OEM expander recognized immediately.
Stable performance under load.
Good Gen10 storage upgrade.
Reliable expansion component.
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.
SKU 870549-B21 is fully compatible with HPE ProLiant DL380 Gen10 and other supported Gen10 models that include a SAS backplane and expander slot.
The 870549-B21 SAS Expander supports up to 30 SAS or SATA drives when paired with the appropriate backplane in a Gen10 server.
The expander delivers up to 12 Gb/s per port, enabling high-speed connectivity between the host controller and attached drives.
By aggregating multiple drive ports through a single controller, the 870549-B21 expander increases the number of attachable drives without additional HBA cards.
Yes, the 870549-B21 supports backward compatibility with 6 Gb/s SAS and SATA devices, ensuring seamless integration with legacy storage.
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.
Yes, the HPE 12Gb SAS Expander supports both SAS and SATA HDDs and SSDs, providing flexibility across storage media types.
The 870549-B21 itself is a passive device; multipath functionality is managed by the host HBA or OS-based multipathing software.
Firmware updates for the expander are provided through HPE Service Pack for ProLiant (SPP) and can be applied via HPE Intelligent Provisioning or iLO.
Verify firmware versions, inspect physical connections, review system event logs in iLO, and ensure the expander is properly seated in the backplane.
This expander is covered by HPE’s standard limited warranty, offering parts and labor coverage for one year from the date of purchase.
You can purchase SKU 870549-B21 through authorized HPE resellers, the HPE online store, or certified channel partners.
By distributing I/O across multiple SAS lanes, the 870549-B21 expander reduces bottlenecks and improves overall throughput in RAID configurations.
The HPE DL38X Gen10 12Gb SAS Expander (870549-B21) has an MTBF of over 500,000 hours under standard operating conditions.