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HPE 652564-B21 300GB 10K-RPM SAS 6Gb/s SFF 2.5 HDD

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The HPE 652564-B21 is a genuine 300GB SAS Enterprise hard drive built for enterprise storage environments where performance, uptime, and consistent data access matter most. Spinning at 10,000 RPM, it's engineered to keep pace with heavy read/write demand in database servers, transaction processing, and other latency-sensitive deployments. The 6Gb/s SAS interface provides a stable, high-throughput connection between the drive and its host controller, which is exactly what ProLiant Gen8 and Gen9 servers are built around.
Because this is a genuine HPE component rather than a generic or rebadged drive, it's manufactured to the same tolerances and firmware compatibility standards as the original server configuration. That matters when you're replacing a drive in a live server — mismatched or unverified parts can cause RAID rebuild failures or degraded performance. The 652564-B21's 2.5" SFF chassis is purpose-built to slot directly into compatible high-density drive bays, often including an HPE SmartDrive carrier, so installation is straightforward for IT teams managing active server infrastructure.
This HPE 652564-B21 300GB SAS hard drive is built specifically around HPE's ProLiant server architecture, which means it's designed to work within the storage enclosures and backplanes that were engineered to support SAS interfaces. Before ordering, it's worth double-checking your exact server model and backplane revision, since SAS storage systems can vary in supported drive firmware across generations. In general, this drive fits into:
When you're sourcing a replacement drive for an active server, the difference between a genuine part and an unverified clone shows up the first time you need to rebuild a RAID set. The HPE 652564-B21 is HPE-manufactured, which means it carries the firmware and mechanical tolerances your server's controller already expects — no compatibility guesswork, no risk of a failed rebuild because of a mismatched drive. Here's what makes this HPE 652564-B21 300GB SAS hard drive worth choosing over a cheaper, unverified alternative:
This HPE 652564-B21 300GB SAS hard drive fits teams maintaining ProLiant server infrastructure who need dependable, high-performance storage without compromise. Common deployment scenarios include:
We are a trusted provider of genuine enterprise storage solutions including the HPE 652564-B21 300GB SAS hard drive, with a focus on quality, compatibility, and customer satisfaction.
This 10K SAS drive delivers 40% higher IOPS with lower latency — ideal for databases and virtualized environments where speed matters most.
Yes, fully validated for ProLiant Gen8 and Gen9 with SAS 6Gb/s backplanes. Our free compatibility check confirms your server supports it before you order.
We stand behind every drive. Our 24/7 support team is ready to help, and our 90-day warranty covers free returns and replacements with no questions asked.